Stalk yield and nutrients accumulation of sugarcane

Stalk yield and nutrients accumulation of sugarcane varieties in three crop cycles Produção de colmos e acumulação de nutrientes por variedades de cana-de-açúcar em três ciclos de colheita Vinicius Santos Gomes da Silva, Mauro Wagner de Oliveira, Vilma Marques Ferreira, Terezinha Bezerra Albino Oliveira, Mayame de Brito Santana and Elaine Rocha Galvão

Revista de Ciências Agrárias Sociedade de Ciências Agrárias de Portugal

ISSN 0871-018 X (impressão/print) ISSN 2183-041X (Online) Volume 41, Nr. 2 (abr-jun 2018)

Rev. Ciênc. Agr. (2018), vol. 41, n. 2, p. 415-423 http://dx.doi.org/10.19084/RCA17051

Stalk yield and nutrients accumulation of sugarcane varieties in three crop cycles Produção de colmos e acumulação de nutrientes por variedades de cana-de-açúcar em três ciclos de colheita Vinicius Santos Gomes da Silva1*, Mauro Wagner de Oliveira2, Vilma Marques Ferreira2, Terezinha Bezerra Albino Oliveira2, Mayame de Brito Santana1 and Elaine Rocha Galvão3 Departamento de Agronomia, Universidade Federal Rural de Pernambuco, Av. Dom Manoel de Medeiros, w/n, 52171-900, Recife, Pernambuco, Brasil Centro de Ciências Agrárias, Universidade Federal de Alagoas, BR 104, Km 85, w/n, 57100-000. Rio Largo, Alagoas, Brasil 3 Departamento de Agronomia, Universidade do Estado da Bahia. Rua Edgar Chastinet, 48905-680, Cajueiro, Juazeiro – Bahia, Brasil (*E-mail: [email protected]) http://dx.doi.org/10.19084/RCA17051 1

2

Received/recebido: 2017.03.03 Received in revised form/recebido em versão revista: 2017.07.21 Accepted/aceite: 2017.08.01

ABSTRACT Sugarcane nutritional requirement knowledge has great importance for an adequate crop management, since allows ‘Žȱ œŽ•ŽŒ’˜—ȱ ˜ȱ ŽĜŒ’Ž—ȱ ŸŠ›’Ž’Žœȱ ’—ȱ ‘Žȱ žœŽȱ ˜ȱ —ž›’Ž—œǰȱ Œ˜—›’‹ž’—ȱ ˜ȱ Šȱ ‹ŽĴŽ›ȱ žœŽȱ ˜ȱ Ž›’•’£Ž›œȱ Š—ȱ ›ŽžŒ’˜—ȱ ˜ȱ ™›˜žŒ’˜—ȱŒ˜œœǯȱ‘ŽȱŠ’–ȱ˜ȱ‘’œȱœž¢ȱ Šœȱ˜ȱŽŸŠ•žŠŽȱ‘ŽȱœŠ•”œȱ¢’Ž•ȱŠ—ȱ‘ŽȱŠŒŒž–ž•Š’˜—ȱ˜ȱ—’›˜Ž—ȱǻǼǰȱ™‘˜œ™‘˜›žœȱǻǼǰȱ™˜Šœœ’ž–ȱǻ ǼǰȱŒŠ•Œ’ž–ȱǻŠǼǰȱ–Š—Žœ’ž–ȱǻǼǰȱœž•ž›ȱǻǼǰȱ£’—Œȱǻ—ǼǰȱŒ˜™™Ž›ȱǻžǼȱŠ—ȱ–Š—Š—ŽœŽȱǻ—Ǽȱ˜ȱ ŠŽ›’Š•ȱ‹’˜–Šœœȱ˜ȱ˜ž›ȱœžŠ›ŒŠ—ŽȱŸŠ›’Ž’ŽœǰȱŞŜŝśŗśǰȱşŘśŝşǰȱŞŗřŘśŖȱŠ—ȱşŖŘŗŘȱž›’—ȱ‘Žȱ™•Š—ȬŒŠ—ŽǰȱꛜȱŠ—ȱ œŽŒ˜—ȱ›Ž›˜ ‘ȱŒ¢Œ•Žœǯȱ‘ŽȱŽ¡™Ž›’–Ž—Š•ȱŽœ’—ȱ ŠœȱŠȱ›Š—˜–’£Žȱ‹•˜Œ”ȱ ’‘ȱ˜ž›ȱ›ŽŠ–Ž—œȱŠ—ȱ꟎ȱ›Ž™•’ŒŠŽœǯȱ ‘ŽȱŒŠ—Žȱ Šœȱ‘Š›ŸŽœŽȱžŽȱ˜ȱ–Šž›’¢ȱ’—ȱ‘Žȱ‘›ŽŽȱŒ›˜™ȱŒ¢Œ•Žœǯȱ‘ŽȱœŠ•”œȱ¢’Ž•ȱŠ—ȱ‘Žȱ—ž›’Ž—ȱŠŒŒž–ž•Š’˜—ȱ˜ȱ‘Žȱ ŠŽ›’Š•ȱ™Š›ȱ˜ȱ‘ŽȱŸŠ›’Ž’Žœȱ Ž›ŽȱŽŸŠ•žŠŽǯȱ‘ŽȱœŽ–œȱ¢’Ž•ȱ™›ŽœŽ—Žȱ Ž›ŽȱŗŘŜǰȱŗŖŘȱŠ—ȱŞŜȱȱ‘ŠȬŗȱ˜›ȱ™•Š—ȬŒŠ—ŽǰȱꛜȱŠ—ȱ œŽŒ˜—ȱ›Ž›˜ ‘ǰȱ›Žœ™ŽŒ’ŸŽ•¢ǯȱ•Š—ȬŒŠ—Žȱ–ŠŒ›˜—ž›’Ž—œȱŠŒŒž–ž•Š’˜—ȱŠŸŽ›ŠŽȱ™›ŽœŽ—Žȱ‘Žȱ˜••˜ ’—ȱŽŒ›ŽŠœ’—ȱ ˜›Ž›DZȱ ȱǁȱȱǁȱŠȱǁȱȱǁȱȱǁȱǰȱ˜›ȱ›Ž›˜ ‘ȱ‘Žȱ˜‹œŽ›ŸŽȱœŽšžŽ—ŒŽȱ Šœȱ ȱǁȱȱǁȱŠȱǁȱȱǁȱȱǁȱǯȱ‘ŽȱŸŠ›’Ž’Žœȱ™›ŽœŽ—Žȱ ‘’‘ȱ™›˜žŒ’ŸŽȱ™˜Ž—’Š•ǰȱŠ—ȱœ’–’•Š›ȱ—ž›’Ž—œȱŠŒŒž–ž•Š’˜—ȱ’—ȱ‘Žȱ‘›ŽŽȱŒ¢Œ•Žœǯ KeywordsDZȱ—ž›’’˜—Š•ȱ›Žšž’›Ž–Ž—ǰȱ—ž›’Ž—ȱŒ˜—Ž—ǰȱž™Š”Žǰȱ—ž›’’˜—Š•ȱŽĜŒ’Ž—Œ¢ǰȱSaccharum spp.

RESUMO ȱŒ˜—‘ŽŒ’–Ž—˜ȱŠȱŽ¡’¹—Œ’Šȱ—ž›’Œ’˜—Š•ȱŽȱŸŠ›’ŽŠŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱ·ȱŽȱ›Š—Žȱ’–™˜›¦—Œ’Šȱ™Š›Šȱž–ȱ–Š—žœŽŠ–Ž—˜ȱ ŠŽšžŠ˜ȱ Šȱ Œž•ž›Šǰȱ ™˜’œȱ ™˜œœ’‹’•’Šȱ Šȱ ŽœŒ˜•‘Šȱ Žȱ ŸŠ›’ŽŠŽœȱ ŽęŒ’Ž—Žœȱ —˜ȱ šžŽȱ œŽȱ ›ŽŽ›Žȱ ¥ȱ ž’•’£Š³¨˜ȱ Žȱ —ž›’Ž—Žœǰȱ Œ˜—›’‹ž’—˜ȱ ™Š›Šȱ ž–Šȱ –Ž•‘˜›ȱ ž’•’£Š³¨˜ȱ Žȱ Ž›’•’£Š—Žœȱ Žȱ ›Žž³¨˜ȱ ˜œȱ Œžœ˜œȱ Žȱ ™›˜ž³¨˜ǯȱ ȱ ˜‹“Ž’Ÿ˜ȱ ˜ȱ›Š‹Š•‘˜ȱ˜’ȱŠŸŠ•’Š›ȱŠȱ™›˜ž’Ÿ’ŠŽȱŽȱŒ˜•–˜œȱŽȱŠȱŠŒž–ž•Š³¨˜ȱŽȱŠ£˜˜ȱǻǼǰȱàœ˜›˜ȱǻǼǰȱ™˜¤œœ’˜ȱǻ ǼǰȱŒ¤•Œ’˜ȱǻŠǼǰȱ –Š—·œ’˜ȱǻǼǰȱŽ—¡˜›ŽȱǻǼǰȱŽ››˜ȱǻŽǼǰȱ£’—Œ˜ȱǻ—ǼǰȱŒ˜‹›ŽȱǻžǼȱŽȱ–Š—Š—¹œȱǻ—ǼȱŠȱ‹’˜–ŠœœŠȱŠȱ™Š›ŽȱŠ·›ŽŠȱŽȱšžŠ›˜ȱ ŸŠ›’ŽŠŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ǰȱŞŜŝśŗśǰȱşŘśŝşǰȱŞŗřŘśŖȱŽȱşŖŘŗŘǰȱ—˜œȱŒ’Œ•˜œȱŽȱŒŠ—ŠȬ™•Š—Šǰȱ™›’–Ž’›ŠȱŽȱœŽž—Šȱ ›Ž‹›˜ŠǯȱȱŽ•’—ŽŠ–Ž—˜ȱŽ¡™Ž›’–Ž—Š•ȱ˜’ȱŽȱ‹•˜Œ˜œȱŠ˜ȱŠŒŠœ˜ȱŒ˜–ȱšžŠ›˜ȱ›ŠŠ–Ž—˜œȱŽȱŒ’—Œ˜ȱ›Ž™Ž’³äŽœǯȱŠȱ–Šž›Š³¨˜ȱ Žȱ—˜œȱ›¹œȱŒ’Œ•˜œȱŽȱŒž•’Ÿ˜ǰȱŠȱŒŠ—Šȱ˜’ȱŒ˜•‘’ŠȱŽȱ˜›Š–ȱŠŸŠ•’ŠŠœȱŠȱ™›˜ž’Ÿ’ŠŽȱŽȱŒ˜•–˜œȱŽȱŠȱŠŒž–ž•Š³¨˜ȱŽȱ—ž›’Ž—Žœǯȱ ȱ™›˜ž’Ÿ’ŠŽȱ˜‹’Šȱ˜’ȱŽȱŗŘŜǰȱŗŖŘȱŽȱŞŜȱȱ‘ŠȬŗȱ—˜œȱŒ’Œ•˜œȱŽȱŒŠ—ŠȬ™•Š—Šǰȱ™›’–Ž’›ŠȱŽȱœŽž—Šȱ›Ž‹›˜Šǰȱ›Žœ™ŽŒ’ŸŠ–Ž—Žǯȱ ŠȱŒŠ—ŠȬ™•Š—ŠȱŠȱŠŒž–ž•Š³¨˜ȱ–·’ŠȱŽȱ–ŠŒ›˜—ž›’Ž—Žœȱ˜’ȱŠȱœŽž’—Žǰȱ™˜›ȱ˜›Ž–ȱŽŒ›ŽœŒŽ—ŽDZȱ ȱǁȱȱǁȱŠȱǁȱǁȱȱǁȱǰȱ Ž—šžŠ—˜ȱšžŽȱ—Šœȱ›Ž‹›˜ŠœȱŠȱœŽšž¹—Œ’Šȱ˜‹œŽ›ŸŠŠȱ˜’ȱ ȱǁȱȱǁȱŠȱǁȱȱǁȱȱǁȱǯȱœȱŸŠ›’ŽŠŽœȱŠ™›ŽœŽ—Š›Š–ȱŠ•˜ȱ™˜Ž—Œ’Š•ȱ ™›˜ž’Ÿ˜ȱŽȱ˜›Š–ȱœŽ–Ž•‘Š—Žœȱ—ŠȱŠŒž–ž•Š³¨˜ȱŽȱ—ž›’Ž—Žœȱ—˜œȱ›¹œȱŒ’Œ•˜œǯ Palavras-chaveDZȱ¡’¹—Œ’Šȱ—ž›’Œ’˜—Š•ǰȱŽ˜›ȱŽȱ—ž›’Ž—ŽœǰȱŠ‹œ˜›³¨˜ǰȱŽęŒ’¹—Œ’Šȱ—ž›’Œ’˜—Š•ǰȱSaccharum spp.

Revista de Ciências Agrárias, 2018, 41(2): 415-423 415

INTRODUCTION žŠ›ŒŠ—Žȱ ǻSaccharumȱ œ™™ǯǼȱ ‘Šœȱ Šȱ ›ŽŠȱ œ˜Œ’˜ŽŒ˜—˜–’Œȱ’–™˜›Š—ŒŽȱ˜›ȱ›Š£’•ǰȱŒž››Ž—•¢ȱ‘Žȱ•Š›Žœȱ ™›˜žŒŽ›ȱ’—ȱ‘Žȱ ˜›•ǯȱ˜œȱŒ˜––˜—ȱžœŽœȱŠ›Žȱ˜›ȱ sugar and alcohol production, human and animal ŽŽȱǻ•’ŸŽ’›Šȱet al.,ȱŘŖŗŚǼǯȱ›Š£’•ȱœžŠ›ŒŠ—ŽȱŠ›ŽŠȱ’œȱ Š‹˜žȱ şǯŖȱ –’••’˜—ȱ ‘ŽŒŠ›Žœǰȱ  ’‘ȱ ŠŸŽ›ŠŽȱ ¢’Ž•ȱ ˜ȱ ŝŘȱȱ‘ŠȬŗȱǻ˜—Š‹ǰȱŘŖŗŜǼǯ ž››Ž—•¢ǰȱ ‘Žȱ ›Š£’•’Š—ȱ œžŠ›ȱ Š—ȱ Ž‘Š—˜•ȱ œŽŒ˜›ȱ ŠŒŽœȱ Š—ȱ Š›’Œž•ž›Š•ȱ ǻ›ŽžŒ’˜—ȱ ’—ȱ ™›˜žŒ’Ÿ’¢Ǽȱ Š—ȱ ’—žœ›’Š•ȱ ǻŠŒ˜›¢ȱ Œ•˜œž›ŽǼȱ Œ›’œ’œǯȱ ‘žœǰȱ research is necessary to raise the yield and turn ›Š£’•’Š—ȱ ŒŠ—Žȱ –˜›Žȱ Œ˜–™Ž’’ŸŽǯȱ ˜–Žȱ œž’Žœȱ ‘ŠŸŽȱ ›ŽŒ˜––Ž—Žȱ ‘Žȱ žœŽȱ ˜ȱ •’–’—ǰȱ Œ‘Ž–ical or organic compost and green manure to ’—Œ›ŽŠœŽȱ œžŠ›ŒŠ—Žȱ ™›˜žŒ’Ÿ’¢ȱ ǻ•’ŸŽ’›Šȱ et al., ŘŖŗŗDzȱŠ•‘Ž’›˜œȱet al.,ȱŘŖŗŘǼǯȱ—˜‘Ž›ȱ›ŽŠȱ™›ŠŒ’ŒŽȱ ˜›ȱ œžŠ›ŒŠ—Žȱ Œž•’ŸŠ’˜—ȱ œžŒŒŽœœǰȱ  ‘Ž—ȱ ™˜œœ’‹•Žǰȱ ’œȱ ‘Žȱ Œ‘˜’ŒŽȱ ˜ȱ œžŠ›ŒŠ—Žȱ ŸŠ›’Ž’Žœȱ  ’‘ȱ ›ŽŠŽ›ȱ —ž›’’˜—Š•ȱ Š—ȱ ™›˜žŒ’ŸŽȱ ŽĜŒ’Ž—Œ¢ȱ ŠŠ™Žȱ ˜ȱ ’쎛Ž—ȱœ˜’•ȱŠ—ȱŒ•’–Š’ŒȱŽ—Ÿ’›˜—–Ž—œǯ

Œ˜—Ž–™•ŠŽȱ‹˜‘ȱ‘ŽȱŒ•’–Š’ŒȱŸŠ›’Š’˜—œȱŠ—ȱŒ›˜™ȱ ŠŽȱǻŽ—ŽœǰȱŘŖŖŜDzȱ’•ŸŠȱet alǯǰȱŘŖŗŝŠǼǯȱ ŒŒ˜›’—ȱ˜ȱ‘ŽœŽȱŒ˜—œ’Ž›Š’˜—œǰȱ‘ŽȱŠ’–ȱ˜ȱ‘’œȱ œž¢ȱ Šœȱ˜ȱŽŸŠ•žŠŽǰȱž›’—ȱ™•Š—ȬŒŠ—ŽǰȱꛜȱŠ—ȱ œŽŒ˜—ȱ ›Ž›˜ ‘ȱ Œ¢Œ•Žœǰȱ —ž›’Ž—ȱ ž’•’£Š’˜—ȱ ŽĜŒ’Ž—Œ¢ȱ ˜ȱ ˜ž›ȱ ŸŠ›’Ž’Žœȱ ‘Šȱ ›Ž™›ŽœŽ—ȱ –˜›Žȱ ‘Š—ȱ śŖƖȱ˜ȱœžŠ›ŒŠ—ŽȱŒž•’ŸŠ’˜—ȱ’—ȱ˜›‘ŽŠœȱ›Š£’•ǯ

MATERIAL AND METHODS ‘Žȱœž¢ȱ ŠœȱŒ˜—žŒŽȱ’—ȱŠ—ȱ˜™Ž—ȱꎕȱ•˜ŒŠŽȱ’—ȱ ‘Žȱ Žšž’¤ȱŠ›–ǰȱ’—ȱ‘ŽȱŒ˜ž—¢ȱ˜ȱ—Š’Šǰȱ•Š˜Šœȱ ǻŠ’žŽȱ ŖşǚŚŗȇŖŚȇȇȱ ȱ Š—ȱ ˜—’žŽȱ řŜǚŗŞȇŗśȈȱ Ǽǯȱ ‘Žȱ Ž¡™Ž›’–Ž—Š•ȱ Š›ŽŠȱ ‹Ž•˜—œȱ ˜ȱ ›’ž—˜ȱ ’••ǰȱ  ‘’Œ‘ȱ ’œȱ •˜ŒŠŽȱ ’—ȱ ‘Žȱ Œ˜ž—¢ȱ ˜ȱ ˜ŒŠȱ Šȱ ŠŠȱ Ȯȱ ǯȱ ‘Žȱ ›Ž’˜—ȱ ‘Šœȱ Šȱ ›Š’—¢ȱ ›˜™’ŒŠ•ȱ Œ•’–ŠŽǰȱ  ’‘ȱ ›¢ȱœž––Ž›œǰȱŠŒŒ˜›’—ȱ˜ȱ ˜™™Ž—ȱŒ•Šœœ’ęŒŠ’˜—ǰȱ  ’‘ȱ›Š’—Š••ȱŠ—ȱŽ–™Ž›Šž›ŽœȱŠ——žŠ•ȱŠŸŽ›ŠŽœȱ˜ȱ ŗǰśŖŖȱ––ȱǻ’ž›ŽȱŗǼȱŠ—ȱŘşǚȱǻ’•ŸŠȱet al.ǰȱŘŖŗŝ‹Ǽǯȱ

ž’Žœȱ Œ˜—žŒŽȱ ’—ȱ ‘Žȱ Ž—Ž›Ȭ˜ž‘ȱ ˜ȱ ›Š£’•ȱ Ž–˜—œ›ŠŽȱ ‘Šȱ ‘Žȱ ŸŠ›’Ž’Žœȱ Œ˜ž•ȱ ’쎛ȱ ’—ȱ Š‹œ˜›™’˜—ȱŠ—ȱŠŒŒž–ž•Š’˜—ȱ˜ȱ—ž›’Ž—œȱǻ›Š—Œ˜ȱ et al.,ȱŘŖŖŝDzȱŠœœ˜ȱ ø—’˜›ȱet al.,ȱŘŖŖŝǼǯȱ ˜ ŽŸŽ›ǰȱ‘Ž›Žȱ is a lack of nutrient accumulation research in the ˜›‘ŽŠœȱ ˜ȱ ›Š£’•ȱ ‘Šȱ ŽŸŠ•žŠŽœȱ —ž›’Ž—ȱ ŠŒŒž–ž•Š’˜—ȱ ‹¢ȱ ŒŠ—Žȱ ŸŠ›’Ž’Žœǰȱ Š—ȱ –˜œ•¢ȱ ŠŸŠ’•Š‹•Žȱ ’—˜›–Š’˜—ȱ ›ŽŽ›œȱ ˜ȱ ŸŠ›’Ž’Žœȱ ‘Šȱ Š›Žȱ —˜ȱ •˜—Ž›ȱ Œž•’ŸŠŽȱǻ•’ŸŽ’›Šȱet al.,ȱŘŖŗŖǼǯȱ ‘Žȱ’쎛Ž—ŒŽœȱ’—ȱ™•Š—ȱ—ž›’Ž—ȱž™Š”Žǰȱ›Š—œ™˜›ȱ and accumulation are related to the morphological Š—ȱ ™‘¢œ’˜•˜’ŒŠ•ȱ Œ‘Š›ŠŒŽ›’œ’Œœȱ ˜ȱ ‘Žȱ ŸŠ›’Ž’Žœȱ Šœœ˜Œ’ŠŽȱ ’‘ȱ‘ŽȱŠ‹œ˜›™’˜—ȱ”’—Ž’Œœǰȱ’—Œ•ž’—ȱ ‘Žȱ —ž›’Ž—ȱ ’—Ěž¡ȱ ›ŠŽǰȱ ‘Žȱ ’Œ‘ŠŽ•’œȬŽ—Ž—ȱ constant and the minimum concentration for •’šž’ȱ’—Ě˜ ȱŠŒ’Ÿ’¢ȱ˜ŒŒž››Ž—ŒŽȱǻŠ›œ‘—Ž›ǰȱŘŖŗŘǼǯȱ ȱ˜˜ȱŸŠ›’Ž¢ȱ’œȱŒ˜—œ’Ž›ŽȱŽĜŒ’Ž—ȱ ‘Ž—ȱ’ȱ‘Šœȱ ‘ŽȱŒŠ™ŠŒ’¢ȱ˜ȱŠ‹œ˜›‹ȱ‘Žȱ—ž›’Ž—œȱŠ—ȱžœŽȱ‘Ž–ȱ ’—ȱ‘Žȱ‹’˜–Šœœȱ™›˜žŒ’˜—ȱǻŽ—ŽœǰȱŘŖŖŜǼǯ The climatic factors, especially rainfall measure Š—ȱ ’œ›’‹ž’˜—ȱ ‘ŠŸŽȱ ›ŽŠȱ ’–™ŠŒȱ ˜—ȱ —ž›’Ž—ȱ ŠŸŠ’•Š‹’•’¢ǰȱ Œ›˜™ȱ ›˜ ‘ȱ ›ŠŽǰȱ —ž›’’˜—Š•ȱ ŽĜŒ’Ž—Œ¢ǰȱ¢’Ž•ǰȱŠ—ȱœžŠ›ȱšžŠ•’¢ǯȱ˜›ȱ‘’œȱ›ŽŠœ˜—ǰȱ’ȱ ’œȱ›ŽŒ˜––Ž—Žȱ˜ȱŒŠ››¢ȱ˜žȱŽŸŠ•žŠ’˜—œȱ˜ȱœžŠ›cane production for more than one year, aiming to 416 Revista de Ciências Agrárias, 2018, 41(2): 415-423

Figure 1 - Monthly precipitation during the studied period.

‘Žȱ œ˜’•ȱ  Šœȱ Œ•Šœœ’ꮍȱ Šœȱ Šȱ ¢œ›˜™‘’Œȱ Ž••˜ ȱ ¡’œ˜•ȱ ǻ–‹›Š™Šǰȱ ŘŖŗřǼǰȱ  ’‘ȱ –Ž’ž–ȱ Ž¡ž›Žǰȱ Š—ȱŒ‘Ž–’ŒŠ•œȱŒ‘Š›ŠŒŽ›’£Š’˜—ȱ Ž›ŽȱŽę—Žȱ›˜–ȱ œ˜’•ȱ œŠ–™•Žœȱ Œ˜••ŽŒŽȱ ’—ȱ ‘Žȱ •Š¢Ž›œȱ ŖǯŖȱ Ȯȱ ŖǯŘȱ –Dzȱ ŖǯŘȱ Ȯȱ ŖǯŚȱ –ȱ ǻŠ‹•Žȱ ŗǼǯȱ ˜’•ȱ ŠŒ’’¢ȱ  Šœȱ Œ˜››ŽŒŽȱ žœ’—ȱ˜•˜–’’Œȱ•’–Žœ˜—ŽȱŠȱŠȱ˜œŽȱ˜ȱŗśŖȱ”ȱ‘ŠȬŗ, calculated considering the method to increase the œŠž›Š’˜—ȱ ˜ȱ ŜŖƖȱ ǻ•’ŸŽ’›Šȱ et al.,ȱ ŘŖŖŝǼǯȱ Ž›ȱ ‘Žȱ limestone application, the soil was ploughed and ‘Š››˜ Žǰȱ Š—ȱ ‘Ž—ȱ ‘Žȱ ›˜˜ŸŽœȱ  Ž›Žȱ ˜™Ž—Žȱ ˜›ȱ manual planting using sugarcane stalks with three ‹žœȱ™Ž›ȱ‹’••ŽœǰȱŠ—ȱ™•Š—’—ȱŽ—œ’¢ȱ‹Ž ŽŽ—ȱŗśȱ Š—ȱŗŞȱ‹žœȱ™Ž›ȱ–ŽŽ›ǯȱ

Table 1 - Results of chemical analyses of soil samples for layers 0-20 cm and 20-40 cm Layers

pH

cm

P

K

Ca

Mg

-mg dm-3

Al

H+Al

BS

CEC

cmolc dm-3

ŖŖȬŘŖ

śǯş

ŗŖřǯŖ

ŚŖ

ŗǯŞ

ŖǯŞ

ŖǯŖ

řǯŞŖ

ŘǯŝŖ

Ŝǯś

ŘŖȬŚŖ

śǯŖ

ŘŗǯŜ

ŘŖ

ŖǯŜ

Ŗǯř

ŖǯŜ

ŚǯŜŘ

Ŗǯşś

śǯśŝ

Layers

ECEC

V

m

SOM

Zn

Fe

Mn

Cu

B

cm

cmolc dm-3

ŖŖȬŘŖ

ŘǯŝŖ

ŚŘ

Ŗ

ŗǯŞ

Řǯś

ŝśǯŜ

şǯŝ

ŗǯŗ

ŖǯŚ

ŘŖȬŚŖ

ŗǯśś

ŗŝ

řş

ŖǯŞ

ŖǯŚ

śřǯŚ

Ŗǯř

ŖǯŘ

Ŗǯř

%

mg dm-3

pH in H2O (Ratio 1:2.5). P (phosphorus), K (potassium), Fe (iron), Zn (zinc), Mn (manganese) and Cu (copper): Mehlich extractor. Ca (calcium), Mg (magnesium) and Al (aluminium): KCI extractor. H+Al (hydrogen + aluminium): Calcium acetate extractor. B (boron): Hot water extractor, S (sulfur): Monocalcium phosphate in acetic acid extractor. BS (base), CEC (cation exchange capacity), ECEC (effective cation exchange capacity), V (base saturation), m (aluminium saturation) and SOM (soil organic matter).

‘ŽȱŽ¡™Ž›’–Ž—Š•ȱŽœ’—ȱ ŠœȱŠȱ›Š—˜–’£Žȱ‹•˜Œ”ȱ  ’‘ȱ ꟎ȱ ›Ž™•’ŒŠŽœǰȱ Œ˜—œ’œ’—ȱ ˜ȱ ˜ž›ȱ œžŠ›ŒŠ—Žȱ ŸŠ›’Ž’ŽœDZȱ ŞŗřŘśŖǰȱ ŞŜŝśŗśǰȱ şŘśŝşȱ Š—ȱ şŖŘŗŘȱ ›˜ —ȱ ’—ȱ ™•˜œȱ ˜ȱ œ’¡ȱ ›˜˜ŸŽœȱ ˜ȱ ŗŖǯŖȱ –ŽŽ›œȱ’—ȱ•Ž—‘ǰȱœ™ŠŒŽȱ›˜–ȱŗǯŖȱ–ŽŽ›ǰȱ’—ȱŠȱ˜Š•ȱ ˜ȱ ŜŖȱ –Ř of area. The four central lines with six meters of length were considered for analysis, –Š”’—ȱ ž™ȱ ˜ȱ ŘŚȱ –Řǯȱ ‘ŽœŽȱ ŸŠ›’Ž’Žœȱ  Ž›Žȱ Œ‘˜œŽ—ȱ ‹ŠœŽȱ ˜—ȱ ‘Ž’›ȱ ’–™˜›Š—ŒŽȱ ˜ȱ ‹Ž’—ȱ Œž•’ŸŠŽȱ ’—ȱ ž™ȱ˜ȱśŖƖȱ˜ȱ‘Žȱ™•Š—ŽȱŠ›ŽŠȱ˜ȱœžŠ›ŒŠ—Žȱ’—ȱ‘Žȱ ˜›‘ŽŠœȱ ˜ȱ ›Š£’•ȱ ’—ȱ ‘Žȱ ¢ŽŠ›ȱ ‹Ž˜›Žȱ ‘Žȱ ’–™•Žmentation of the experiment. ˜’•ȱ Ž›’•’£Š’˜—ȱ  Šœȱ ‹ŠœŽȱ ˜—ȱ œ’—Šȱ ›’ž—˜ȱ recommendation according to the results of soil Š—Š•¢œ’œȱǻŠ‹•ŽȱŗǼǰȱŠ™™•¢’—ȱŜŖǰȱŗŖŖȱŠ—ȱŗśŖȱ”ȱ‘ŠȬŗ ˜ȱǰȱŘOśȱŠ—ȱ Řȱ’—˜ȱ‘Žȱ‹˜Ĵ˜–ȱ˜ȱ‘Žȱ›˜˜ŸŽǯȱ ‘ŽȱŒŠ—Žȱ Šœȱ‘Š›ŸŽœŽȱŠŽ›ȱŗŚȱ–˜—‘œǰȱŠ—ȱ‘Ž—ȱ ‘Žȱ ›ŽœŽŠ›Œ‘ȱ  Šœȱ ›ŽŠ•’£Žȱ ˜ȱ ‘Žȱ ꛜȱ Š—ȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǰȱ ŽŠŒ‘ȱ ˜—Žȱ •Šœ’—ȱ ŗŘȱ –˜—‘œǯȱ —ȱ ‘ŽœŽȱ Œ¢Œ•Žœȱ Š••ȱ ›ŽŠ–Ž—œȱ ›ŽŒŽ’ŸŽȱ śŖŖȱ ”ȱ ‘ŠȬŗȱ of the ˜›–ž•ŠȱŘŖȬŖśȬŘśȱǻ Ǽǯ ‘Ž—ȱ ŒŠ—Žȱ ›ŽŠŒ‘Žȱ –Šž›’¢ȱ ž›’—ȱ ‘Žȱ ‘›ŽŽȱ Š—Š•¢£ŽȱŒ¢Œ•Žœǰȱ‘ŽȱŠŽ›’Š•ȱ™Š›ȱ˜ȱŗŖȱ™•Š—œȱ˜ȱŽŠŒ‘ȱ ™•˜ȱ  Šœȱ ›Š—˜–•¢ȱ œŠ–™•Žǯȱ Ž›ȱ œŠ–™•’—ȱ ˜›ȱ —ž›’Ž—ȱ ŠŒŒž–ž•Š’˜—ȱ Žœ’–Š’ŸŽǰȱ ‘Žȱ ™›˜žŒ’˜—ȱ ˜ȱ›Žœ‘ȱ‹’˜–Šœœȱ ŠœȱŽŽ›–’—Žȱ‹¢ȱ Ž’‘’—ȱ‘Žȱ ŠŽ›’Š•ȱ™Š›ȱǻœŽ–œǰȱ•ŽŠŸŽœȱŠ—ȱ™˜’—Ž›œǼȱ’—ȱŠ—ȱŠ›ŽŠȱ ˜ȱŘȱ–Ř and then calculated the production of fresh ‹’˜–Šœœȱ‹¢ȱ‘ŽŒŠ›Žȱǻȱ‘ŠȬŗǼǯ

™•Š—ȱ–ŠŽ›’Š•ȱ Ž›ŽȱŒ‘˜™™ŽǰȱŠ—ȱ‘Ž—ȱœž‹œŠ–™•Žœȱ  Ž›Žȱ Œ˜••ŽŒŽǯȱ —ȱ ‘Žȱ •Š‹˜›Š˜›¢ǰȱ ‘Žȱ œž‹œŠ–™•Žœȱ  Ž›Žȱ›’Žȱ’—ȱŠȱ˜›ŒŽȱŠ’›ȱŸŽ—’•Š’˜—ȱ˜ŸŽ—ǰȱŠȱŜśǚǰȱ until constant weight. The material was weighed ˜›ȱ ›¢ȱ œž‹œŠ–™•Žȱ ŽŽ›–’—Š’˜—ǯȱ ‘Žȱ Žœ’–Š’˜—ȱ ˜ȱ ›¢ȱ ŠŽ›’Š•ȱ ‹’˜–Šœœȱ ™›˜žŒ’Ÿ’¢ȱ ǻȱ ‘ŠȬŗǼȱ  ŠœȱŽŽ›–’—Žȱ‹¢ȱ–ž•’™•¢’—ȱ‘Žȱ™Ž›ŒŽ—ŠŽȱ˜ȱ ›¢ȱ ŸŽŽŠ‹•Žȱ –ŠĴŽ›ȱ ‹¢ȱ ‘Žȱ ™›˜žŒ’˜—ȱ ˜ȱ ›Žœ‘ȱ ‹’˜–Šœœȱ™Ž›ȱ‘ŽŒŠ›ŽǯȱŽ›ȱ˜‹Š’—’—ȱ‘Žȱ›¢ȱ–Šœœǰȱ ‘Žȱœž‹œŠ–™•Žœȱ Ž›Žȱ™ŠœœŽȱ’—ȱŠȱ’•Ž¢ȱ¢™Žȱ–’••ǯȱ ‘ŽȱŠŽ›’Š•ȱ‹’˜–Šœœȱ ŠœȱŠ—Š•¢£Žȱ˜ȱ˜‹Š’—ȱ—’›˜Ž—ȱ ǻǼǰȱ ™‘˜œ™‘˜›žœȱ ǻǼǰȱ ™˜Šœœ’ž–ȱ ǻ Ǽǰȱ ŒŠ•Œ’ž–ȱ ǻŠǼǰȱ –Š—Žœ’ž–ȱǻǼǰȱœž•ž›ȱǻǼǰȱ£’—Œȱǻ—ǼǰȱŒ˜™™Ž›ȱǻžǼǰȱ –Š—Š—ŽœŽȱǻ—ǼȱŠ—ȱ‹˜›˜—ȱǻǼȱšžŠ—’¢ȱŠŒŒ˜›’—ȱ ˜ȱ‘Žȱ–Ž‘˜œȱŽœŒ›’‹Žȱ‹¢ȱŠ•ŠŸ˜•Šȱet al.ȱǻŗşşŝǼǯȱ ‘Žȱ ȱ  Šœȱ Ž¡›ŠŒŽȱ ‹¢ȱ œž•ž›’Œȱ ’Žœ’˜—ȱ Š—ȱ ŽŽ›–’—Žȱ žœ’—ȱ ‘Žȱ “Ž•Š‘•ȱ –Ž‘˜ǯȱ ˜›˜—ȱ  ŠœȱŽ¡›ŠŒŽȱ‹¢ȱ›¢ȱ’Žœ’˜—ȱŠ—ȱŽŽ›–’—Žȱ‹¢ȱ –žĝŽȱ–Ž‘˜ǰȱ‘Žȱ˜‘Ž›ȱ—ž›’Ž—œȱ Ž›ŽȱŽ¡›ŠŒŽȱ ‹¢ȱ—’›’ŒȱȮȱ™Ž›Œ‘•˜›’Œȱ’Žœ’˜—ǯȱȱ ŠœȱŽŽ›–’—Žȱ ‹¢ȱ‘ŽȱŽŸŽ•˜™–Ž—ȱ˜ȱ‘Žȱ‹•žŽȱŒ˜•˜›ȱžœ’—ȱ›ŽžŒ’˜—ȱ˜ȱ‘Žȱ™‘˜œ™‘˜Ȭ–˜•¢‹’ŒȱŒ˜–™•Ž¡ǯȱ ǰȱŠǰȱǰȱ —ǰȱ—ǰȱžȱŠ—ȱŽȱ Ž›ŽȱšžŠ—’ꮍȱ‹¢ȱ‘ŽȱŠ˜–’Œȱ Š‹œ˜›™’˜—ȱ œ™ŽŒ›˜™‘˜˜–Ž›¢ȱ –Ž‘˜ȱ Š—ȱ ȱ ‹¢ȱ ‘Žȱ‹Š›’ž–ȱœž•ŠŽȱž›‹’’–Ž›’Œȱ–Ž‘˜ǯ ‘ŽȱŠŠȱ Ž›ŽȱŠ—Š•¢£Žȱžœ’—ȱ‘Žȱ’œŸŠ›ȱŒ˜–™žŽ›ȱ ™›˜›Š–ȱ ǻŽ››Ž’›Šǰȱ ŘŖŗŗǼǰȱ ‘Žȱ ŸŠ›’Š‹•Žœȱ  Ž›Žȱ œž‹–’ĴŽȱ ˜ȱ ‘Žȱ Š—Š•¢œ’œȱ ˜ȱ ŸŠ›’Š—ŒŽȱ ‹¢ȱ ‘Žȱ Žœȱ ȱŠ—ǰȱ˜›ȱ‘˜œŽȱ’—ȱ ‘’Œ‘ȱ‘Žȱȱ Šœȱœ’—’ęŒŠ—ǰȱ‘Žȱ –ŽŠ—œȱ Ž›ŽȱŒ˜–™Š›Žȱ ’‘ȱ‘ŽȱŒ˜Ĵȱ —˜ĴȱŽœȱŠȱ ŠȱśƖȱ™›˜‹Š‹’•’¢ǯ

The aerial part sampled was weighed and the total ›Žœ‘ȱ–ŠĴŽ›ȱ–Šœœȱ ŠœȱŽŽ›–’—ŽǯȱŠ–™•Žœȱ˜ȱ›Žœ‘ȱ

Silva et al., Yield and nutrients accumulation of sugarcane 417

RESULTS AND DISCUSSION žŠ›ŒŠ—Žȱ ŸŠ›’Ž’Žœȱ ’ȱ —˜ȱ ’쎛ȱ œŠ’œ’ŒŠ••¢ȱ ˜›ȱ œ‘˜˜ȱ¢’Ž•ǰȱ ’‘ȱŗŘŜǰȱŗŖŘȱŠ—ȱŞŜȱ˜—œȱ™Ž›ȱ‘ŽŒŠ›Žȱ ˜›ȱ ™•Š—ȬŒŠ—Žǰȱ ꛜȱ Š—ȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǰȱ ›Žœ™ŽŒ’ŸŽ•¢ȱǻ’ž›ŽȱŘǼǯȱ‘Ž›Žȱ ŠœȱŠȱŘŖƖȱ›ŽžŒ’˜—ȱ’—ȱ‘Žȱ œŠ•”œȱ¢’Ž•ȱŠŸŽ›ŠŽǰȱŒ˜–™Š›’—ȱ‘Žȱꛜȱ›Ž›˜ ‘ȱ ˜ȱ ™•Š—ȬŒŠ—Žǰȱ Š—ȱ •Žœœȱ ŗŜƖȱ ›˜–ȱ ‘Žȱ ꛜȱ ˜ȱ ‘Žȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǯȱ ‘’œȱ ™›˜žŒ’Ÿ’¢ȱ ›ŽžŒ’˜—ȱ ‹Ž ŽŽ—ȱ œžŒŒŽœœ’ŸŽȱ Œ¢Œ•Žœȱ ‘Šœȱ ‹ŽŽ—ȱ ›Ž™˜›Žȱ ’—ȱ ‘Žȱ •’Ž›Šž›Žȱ ǻŽ—Žœǰȱ ŘŖŖŜDzȱ ›Š—Œ˜ȱ et al.,ȱ ŘŖŗŗDzȱ ’•ŸŠȱet al.,ȱŘŖŗŝ‹Ǽǯȱ‘ŽȱŽŒ›ŽŠœŽȱ’œȱŠĴ›’‹žŽȱ˜ȱ‘Žȱ Ž—Ž’Œȱ Œ‘Š›ŠŒŽ›’œ’Œœȱ ˜ȱ ‘Žȱ ŸŠ›’Ž’Žœǰȱ ‘Žȱ Œž•’ŸŠ›œȱ ’—Ž›ŠŒ’˜—œȱ Š—ȱ  ’‘ȱ ‘Žȱ ’—œŽ›Žȱ Ž—Ÿ’›˜—–Ž—ȱ ǻ’•ŸŽ’›Šȱ et al.,ȱ ŘŖŗŘǼǯȱ —Ÿ’›˜—–Ž—Š•ȱ ŠŒ˜›œȱ related to plant growth such as luminosity, water ŠŸŠ’•Š‹’•’¢ȱǻ•’ŸŽ’›Šȱet al.,ȱŘŖŗŗǼȱŠ—ȱ–’—Ž›Š•ȱ—ž›’Ž—œȱ ǻŠ’˜—Žȱ et al.,ȱ ŘŖŗřǼǰȱ Šœȱ  Ž••ȱ Šœȱ ‘Žȱ ’—‘Ž›Ž—ȱ Œ‘Š›ŠŒŽ›’œ’Œœȱ˜ȱŸŠ›’Ž’ŽœȱœžŒ‘ȱŠœȱœ™›˜ž’—ǰȱŠŽǰȱ Š—ȱ›˜˜ȱŠŒ’Ÿ’¢ȱ–Š¢ȱŒ˜—›’‹žŽȱ˜ȱ‘ŽȱŽŒ›ŽŠœŽȱ˜ȱ ™›˜žŒ’Ÿ’¢ȱ˜ŸŽ›ȱ‘ŽȱŒ¢Œ•ŽœȱǻŠ—‘¨Žœȱet alǯǰȱŘŖŗśǼǯ

Figure 2 - Stalk yield for four sugarcane varieties in caneplant, first regrowth and second regrowth cycles.

‘Žȱ ›Žœž•œȱ ˜‹Š’—Žȱ ’—ȱ ‘Žȱ ™›ŽœŽ—ȱ œž¢ȱ Š›Žȱ œ’–’•Š›ȱ˜ȱ‹˜‘ȱœž’Žœȱ˜‹Š’—Žȱ‹¢ȱ˜‘Ž›ȱŠž‘˜›œȱ ’—ȱ‘Žȱ˜›‘ŽŠœȱ›Ž’˜—ȱŠ—ȱ‘Žȱ›Š£’•’Š—ȱ™›˜žŒ’Ÿ’¢ȱŠŸŽ›ŠŽȱǻ•’ŸŽ’›Šȱet al.,ȱŘŖŗŗDzȱŠ•‘Ž’›˜œȱet al., ŘŖŗŘDzȱ ˜—Š‹ǰȱ ŘŖŗŜǼǯȱ ‘Žȱ ŸŠ›’Ž’Žœȱ žœŽȱ ™›ŽœŽ—Žȱ ‘’‘ȱ ™›˜žŒ’ŸŽȱ ™˜Ž—’Š•ȱ Šœȱ •˜—ȱ Šœȱ ‘Žȱ ŠŒŒž–ž•ŠŽȱ ‹’˜–Šœœȱ ™›˜žŒ’Ÿ’¢ȱ ŒŠ—ȱ ‹Žȱ Œ˜—œ’Ž›Žȱ ›˜–ȱ ŠŸŽ›ŠŽȱ ˜ȱ ‘’‘ȱ ˜›ȱ ‘Žȱ ŠŽȱ ˜ȱ •Š˜Šœǯȱ ˜—œ’Ž›’—ȱ ‘Žȱ ™‘ŠœŽȱ ˜ȱ –Š¡’–ž–ȱ œžŠ›ŒŠ—Žȱ growth during short days with low luminosity and the non-coincidence of the maximum water ŠŸŠ’•Š‹’•’¢ǰȱ‹›’—œȱŠȱ—ŽŠ’ŸŽȱ’–™ŠŒȱ˜ȱ‘Žȱ™‘˜˜œ¢—‘Ž’Œȱ ›ŠŽœǰȱ ›Žœž•’—ȱ ’—ȱ •˜ Ž›ȱ ™›˜žŒ’Ÿ’¢ȱ ’—ȱ •Š˜Šœǰȱ  ‘Ž—ȱ Œ˜–™Š›Žȱ ˜ȱ ‘Žȱ Ž—Ž›Ȭ˜ž‘ȱ ǻ•’ŸŽ’›Šȱet al.,ȱŘŖŗŚǼǯ ˜ȱ ŸŠ›’ŽŠ•ȱ ŽěŽŒȱ  Šœȱ ˜‹œŽ›ŸŽȱ ˜›ȱ —’›˜Ž—ȱ ’—ȱ ‘Žȱ ‘›ŽŽȱ Œ¢Œ•Žœȱ ǻŠ‹•Žȱ ŘǼǯȱ ‘Žȱ ŠŸŽ›ŠŽȱ ŠŒŒž–ž•Š’˜—ȱ ›˜–ȱ ™•Š—ȬŒŠ—Žȱ  Šœȱ ŗŞŘȱ ”ȱ ‘ŠȬŗǰȱ ŸŽ›’ꮍȱ ‹¢ȱ •’ŸŽ’›Šȱet al.ȱǻŘŖŗŗǼǰȱ ‘’Œ‘ȱ˜‹Š’—Žȱŗŝşȱ”ȱ‘ŠȬŗ and ŘŚƖȱ ‘’‘Ž›ȱ ‘Š—ȱ  ‘Šȱ  Šœȱ ›Ž™˜›Žȱ ‹¢ȱ Ž—Žœȱ ǻŘŖŖŜǼȱ‘Šȱ˜ž—ȱŗřŝȱ”ȱ‘ŠȬŗǯȱŠ•‘Ž’›˜œȱet al.ȱǻŘŖŗŘǼȱ ’—ȱ œž’Žœȱ ŒŠ››’Žȱ ˜žȱ ’—ȱ •Š˜Šœȱ ŠŽȱ ›Š’—˜›Žœȱ Š›ŽŠȱŸŽ›’ꮍȱ˜›ȱ‘Žȱ™•Š—ȬŒŠ—ŽȱŒ¢Œ•Žȱ‘Šȱ‘ŽȱŸŠ›’Ž’ŽœȱŞŜŝśŗśȱŠ—ȱşŘśŝşȱ‘Šȱ‘ŽȱœŠ–Žȱ—ž›’Ž—ȱ Š‹œ˜›™’˜—ȱŒŠ™ŠŒ’¢ǰȱŠ—ȱ—’›˜Ž—ȱŠŒŒž–ž•Š’˜—ȱ’—ȱ ‘Žȱœ‘˜˜ȱ‹’˜–Šœœȱ˜›ȱŞŜŝśŗśȱŠ—ȱşŘśŝşȱ Šœȱ ŘŘŖȱ”ȱ‘ŠȬŗ. ‘Žȱ ‘’‘ȱ —’›˜Ž—ȱ Ž¡›ŠŒ’˜—ȱ ‹¢ȱ œžŠ›ŒŠ—Žȱ ’œȱ žŽȱ to its participation as constituent of many plant cells components, including amino acids, proteins Š—ȱ—žŒ•Ž’ŒȱŠŒ’œȱǻŠ’£ȱŠ—ȱŽ’Ž›ǰȱŘŖŗřǼǯȱ‘Ž›ŽȱŠ›Žȱ many studies in the literature that show the imporŠ—ŒŽȱ ˜ȱ ȱ ’—ȱ ‘Žȱ œžŠ›ŒŠ—Žȱ Œ›˜™ȱ ǻ›Š—Œ˜ȱ et al., ŘŖŗŗǼǯȱ‘Žȱ—ž›’Ž—ȱ’œȱ˜ž—ȱ˜—•¢ȱ’—ȱŗƖȱ˜ȱ‘Žȱ˜Š•ȱ ›¢ȱ–Šœœȱ˜ȱ‘Žȱ™•Š—ǰȱ‘˜ ŽŸŽ›ȱ’œȱŽęŒ’Ž—Œ¢ȱ’—ȱ‘Žȱ plant can cause a chlorophyll reduction, essential

Table 2 - Nitrogen (N) and phosphorus accumulation in aerial biomass for four sugarcane varieties during plant-cane (PC), first regrowth (FR) and second regrowth (SR) cycles Varieties şŖŘŗŘ ŞŗřŘśŖ ŞŜŝśŗś şŘśŝş ŸŽ›ŠŽ ǯǯȱǻƖǼ

PC ŗŝŜȱŠ ŗŝŝȱŠ ŗşŖȱŠ ŗŞřȱŠ ŗŞŘ ŗŚǯŞ

Nitrogen (kg ha-1) FR SR ŗŘśȱŠ ŗŖşȱŠ ŗŖşȱŠ ŗŖśȱŠ ŗŖşȱŠ ŞŚȱŠ ŗŘŝȱŠ şśȱŠ ŗŗŞ şŞ ŗŜ ŗřǯŜ

Average ŗřś ŗŘŝ ŗřŖ ŗřś ŗřŘ

Means followed by the same letter do not differ statistically by Scott-Knott test at 5% probability.

418 Revista de Ciências Agrárias, 2018, 41(2): 415-423

PC ŘşȱŠ ŘŜȱŠ řŗȱŠ ŘŚȱŠ Řŝ Řŗǯŗ

Phosphorus (kg ha-1) FR SR ŘŖȱŠ ŗŞŠ ŗşȱŠ ŘŖŠ ŗŜȱŠ ŗşŠ ŗŜǯŞȱŠ ŗŞŠ ŗŞ ŗş ŘŖǯŝ ŗŘǯŞ

Average ŘŘ ŘŘ ŘŘ ŗş Řŗ

amino acids and the energy synthesis required ˜ȱ ™›˜žŒŽȱ ŒŠ›‹˜‘¢›ŠŽœȱ Š—ȱ ŒŠ›‹˜—ȱ œ”Ž•Ž˜—œǰȱ ›ŽĚŽŒ’—ȱ ’›ŽŒ•¢ȱ ˜—ȱ ‘Žȱ ŽŸŽ•˜™–Ž—ȱ Š—ȱ Œ›˜™ȱ ¢’Ž•ȱ ǻŠ’£ȱ Š—ȱ Ž’Ž›ǰȱ ŘŖŗřǼǯȱ ‘žœǰȱ ‘Žȱ Œ˜››ŽŒȱ —’›˜Ž—ȱŽ›’•’£Š’˜—ȱŠ™™•’ŒŠ’˜—ȱ’œȱž—Š–Ž—Š•ȱ˜ȱ ‘ŽȱœžŒŒŽœœȱ˜ȱœžŠ›ŒŠ—ŽȱŒž•’ŸŠ’˜—ǯȱž’Žœȱ‘ŠŸŽȱ œ‘˜ —ȱ‘Šȱ˜—ŒŽȱ‘Žȱ—’›˜Ž—ȱŽ›’•’£Š’˜—ȱ’œȱ’—ŠŽšžŠŽǰȱ’ȱŒŠ—ȱ›Žœž•ȱ’—ȱ‘Žȱ™›˜žŒ’Ÿ’¢ȱ›ŽžŒ’˜—ȱ Š—ȱ Œ›˜™ȱ •˜—ŽŸ’¢ȱ ŽŒ›ŽŠœŽǰȱ  ‘’Œ‘ȱ ŒŠžœŽœȱ Š—’Œ’™Š’˜—ȱ ˜ȱ œžŠ›ŒŠ—Žȱ ™•Š—ȱ ›Ž—˜ŸŠ’˜—ǰȱ ’—Œ›ŽŠœ’—ȱ Œ˜œœȱ˜›ȱ™›˜žŒŽ›œȱǻ›Š—Œ˜ȱet al.,ȱŘŖŖŝǼǯȱ ‘Žȱ™‘˜œ™‘˜›žœȱŠŒŒž–ž•Š’˜—ȱ Šœȱ—˜ȱ’—ĚžŽ—ŒŽȱ ‹¢ȱ ‘Žȱ ŸŠ›’Ž’Žœȱ ’—ȱ ‘Žȱ ‘›ŽŽȱ Œ›˜™ȱ Œ¢Œ•Žœȱ ǻŠ‹•Žȱ ŘǼǯȱ —ȱ ‘Žȱ ™•Š—ȬŒŠ—Žȱ ŠŒŒž–ž•Š’˜—ȱ ŠŸŽ›ŠŽȱ ’—ȱ ‘Žȱ œ‘˜˜ȱ ŸŠ›’Ž’Žœȱ ‹’˜–Šœœȱ  Šœȱ Řŝȱ ”ȱ ‘ŠȬŗDzȱ ’—ȱ ‘Žȱ ŸŠ›’Ž¢ȱşŘśŝşȱ Šœȱœ’–’•Š›ȱ˜ȱ‘ŽȱŸŠ•žŽȱ˜‹œŽ›ŸŽȱ ’—ȱ œž’Žœȱ Œ˜—žŒŽȱ ‹¢ȱ Š•‘Ž’›˜œȱ et al.ȱ ǻŘŖŗŘǼǰȱ  ‘Ž›Žȱ ‘Ž¢ȱ ›ŽŒ˜›Žȱ Šȱ ›Ž–˜ŸŠ•ȱ ˜ȱ Řśȱ ”ȱ ‘ŠȬŗȱ ‹¢ȱ ŞŜŝśŗśȱŠ—ȱ Šœȱ‘’‘Ž›ȱ‘Š—ȱ‘ŽȱŸŠ•žŽȱ˜‹œŽ›ŸŽȱ ‹¢ȱ •’ŸŽ’›Šȱ et alǯȱ ǻŘŖŗŖǼȱ  ‘˜ȱ ˜‹Š’—Žȱ Šȱ ›Ž–˜ŸŠ•ȱ ˜ȱ ŗşȱ ”ȱ ‘ŠȬŗǯȱ Šœœ˜ȱ ø—’˜›ȱ et al.ȱ ǻŘŖŖŝǼȱ ˜‹Š’—Žȱ Š—ȱ ŠŒŒž–ž•Š’˜—ȱ ›Š—’—ȱ ›˜–ȱ ŗŝȱ ˜ȱ Řśȱ ”ȱ ‘ŠȬŗ. —ȱ ‘Žȱ ꛜȱ ›Ž›˜ ‘ȱ ‘Žȱ ŠŒŒž–ž•Š’˜—ȱ ŠŸŽ›ŠŽȱ  Šœȱ‘’‘Ž›ȱ‘Š—ȱ‘ŽȱŸŠ•žŽȱ˜‹Š’—Žȱ‹¢ȱŽ—ŽĴȱet al. ǻŘŖŗřǼǰȱ ‘˜ȱ˜ž—ȱŠ—ȱŠŸŽ›ŠŽȱ›Ž–˜ŸŠ•ȱ˜ȱŗŖȱ”ȱ‘ŠȬŗ ˜›ȱŞŜŝśŗśǯȱ—ȱ‘ŽȱœŽŒ˜—ȱ›Ž›˜ ‘ȱ‘ŽȱŠŸŽ›ŠŽȱ ŠŒŒž–ž•Š’˜—ȱ  Šœȱ ŗşǯŗśȱ ”ȱ ‘ŠȬŗǰȱ ‘’œȱ ŸŠ•žŽȱ  Šœȱ ‘’‘Ž›ȱ ‘Š—ȱ ‘Šȱ ˜‹Š’—Žȱ ‹¢ȱ ˜–Žœȱ ǻŘŖŖřǼȱ  ‘˜ȱ ˜ž—ȱśǯŖŝȬŗśǯřŗȱ”ȱ‘ŠȬŗ for the second regrowth. —ȱ Ž—Ž›Š•ǰȱ ‘Žȱ ™‘˜œ™‘˜›žœȱ Œ˜—Ž—ȱ ›Žšž’›Žȱ ‹¢ȱ sugarcane is low, especially when compared to —’›˜Ž—ȱ Š—ȱ ™˜Šœœ’ž–ǯȱ ˜›ȱ œžŠ›ŒŠ—Žǰȱ ™‘˜œ™‘˜›žœȱ ŠŒœȱ ˜—ȱ ‹˜‘ȱ ›˜ ‘ȱ Š—ȱ ™›˜žŒ’˜—ȱ ˜ȱ œžŒ›˜œŽǰȱ Œ˜–™˜œ’—ȱ Š™™›˜¡’–ŠŽ•¢ȱ ŖǯŘƖȱ ˜ȱ ‘Žȱ ›¢ȱ‹’˜–Šœœȱ˜ȱ‘Žȱ™•Š—ǯȱȱ’œȱŠȱœ›žŒž›Š•ȱŒ˜–™˜nent of macromolecules, such as nucleic acids and

phospholipids, and also adenosine triphosphate ǻǼǰȱ ‹Ž’—ȱ Šȱ ”Ž¢ȱ Ž•Ž–Ž—ȱ ˜ȱ œŽŸŽ›Š•ȱ –ŽŠ‹˜•’Œȱ ™Š‘ Š¢œȱ Š—ȱ ‹’˜Œ‘Ž–’ŒŠ•ȱ ›ŽŠŒ’˜—œǰȱ œžŒ‘ȱ Šœȱ —ž–Ž›˜žœȱ œŽ™œȱ ’—ȱ ‘Žȱ Š•Ÿ’—ȱ Œ¢Œ•Žȱ Š—ȱ •¢Œ˜•¢œ’œȱǻŠ’£ȱŠ—ȱŽ’Ž›ǰȱŘŖŗřǼǯȱ‘žœǰȱŽœ™’Žȱ‘Žȱ•˜ ȱ requirement, there is a need for frequent appliŒŠ’˜—œȱ ˜ȱ ȱ ˜ȱ ™›˜Ÿ’Žȱ Š—ȱ –Š’—Š’—ȱ ‘’‘ȱ Œ›˜™ȱ ™›˜žŒ’Ÿ’¢ȱǻŽ’¡Ž’›Šȱet al.,ȱŘŖŗŚǼǯ ˜›ȱ œžŠ›ŒŠ—Žǰȱ ‘Žȱ ™‘˜œ™‘˜›žœȱ ‹’˜ŠŸŠ’•Š‹’•’¢ȱ in the plant can cause large changes in nitrogen ž™Š”Žȱ Š—ȱ –ŽŠ‹˜•’œ–ȱ ǻŠŠ•‘¨Žœǰȱ ŗşşŜǼǯȱ ’‘ȱ Š—ȱ ’—ŠŽšžŠŽȱ ȱ œž™™•¢ȱ ‘Ž›Žȱ  Šœȱ Šȱ ›ŽžŒ’˜—ȱ ’—ȱ the nitrate uptake of the nutrient solution and the nitrate transport from the roots to the shoot Š•œ˜ȱ ŽŒ›ŽŠœŽǰȱ ‘˜ ŽŸŽ›ǰȱ ’—ȱ ™•Š—œȱ  ’‘ȱ ŠŽšžŠŽȱ ȱœž™™•¢ȱ‘ŽȱŠ–’—˜ȱŠŒ’œȱŠŒŒž–ž•Š’˜—ȱ Šœȱ‘’‘ȱ ’—ȱ•ŽŠŸŽœȱŠ—ȱ›˜˜œȱǻ•ŸŽœȱet alǯǰȱŗşşŞǼǯȱ˜—œ’Ž›’—ȱ ‘Žȱ‘’‘ȱȱŠŸŠ’•Š‹’•’¢ȱ’—ȱ‘Žȱœ˜’•ǰȱ™›ŽœŽ—’—ȱŗŖřȱ–ȱ dmȬřȱ˜ȱ™‘˜œ™‘˜›žœǰȱŽ¡›ŠŒŽȱ ’‘ȱŽ‘•’Œ‘Ȭŗȱœ˜•ž’˜—ȱǻŠ‹•ŽȱŗǼȱ’—ȱ‘Žȱ•Š¢Ž›ȱ˜ȱŖȱ˜ȱŘŖȱŒ–ǰȱŽ—œž›Žȱ‘Šȱ the element did not limit the plant growth. ˜Šœœ’ž–ȱ  Šœȱ ‘Žȱ —ž›’Ž—ȱ ŠŒŒž–ž•ŠŽȱ ’—ȱ ‘Žȱ highest amount during the three crop cycles, ˜‹Š’—’—ȱ Řŗşǰȱ ŗşŗȱ Š—ȱ ŗŜŘȱ ”ȱ ‘ŠȬŗ for plant-cane, ꛜȱ Š—ȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǰȱ ›Žœ™ŽŒ’ŸŽ•¢ȱ ǻŠ‹•Žȱ řǼǯȱ ‘Žȱ ‘’‘Žœȱ Ž¡›ŠŒ’˜—ȱ ˜ȱ ‘’œȱ —ž›’Ž—ȱ ‹¢ȱ œžŠ›ŒŠ—Žȱ ‘Šœȱ ‹ŽŽ—ȱ ›Ž™˜›Žȱ ’—ȱ ‘Žȱ •’Ž›Šž›Žȱ ǻ•’ŸŽ’›Šȱ et al.,ȱŘŖŗŗȱŽȱŘŖŗŚǼǯȱŒŒ˜›’—ȱ˜ȱ•’ŸŽ’›Šȱet al.ȱǻŘŖŗŖǼȱ ˜›ȱŠȱ˜—ȱ˜ȱœŠ•”ȱŒŠ—Žȱ™›˜žŒŽǰȱŠȱ˜Š•ȱ˜ȱŗǯŝŘȱ”ȱ˜ȱ ™˜Šœœ’ž–ȱŠ›ŽȱŠ‹œ˜›‹ŽȱŠ—ȱ›Ž–˜ŸŽȱ ’‘ȱ‘Š›ŸŽœǯȱ The great sugarcane potassium dependence is Ž¡™•Š’—Žȱ‹¢ȱ‘Žȱ’–™˜›Š—ȱ›˜•Žȱ‘Šȱ‘’œȱ—ž›’Ž—ȱ plays in regulating the osmotic potential of plant ŒŽ••œǰȱ Š—ȱ Š•œ˜ȱ ŠŒ’ŸŠŽœȱ –Š—¢ȱ Ž—£¢–Žœȱ ’—Ÿ˜•ŸŽȱ ’—ȱ ›Žœ™’›Š’˜—ȱ Š—ȱ ™‘˜˜œ¢—‘Žœ’œȱ ™›˜ŒŽœœŽœȱ ǻŠ’£ȱ Š—ȱŽ’Ž›ǰȱŘŖŗřǼǯ

Table 3 - Potassium (K) and calcium (Ca) accumulation in aerial biomass for four varieties sugarcane during plant-cane (PC), first regrowth (FR) and second regrowth (SR) cycles

Varieties şŖŘŗŘ ŞŗřŘśŖ ŞŜŝśŗś şŘśŝş ŸŽ›ŠŽ ǯǯȱǻƖǼ

PC ŘŘŗȱŠ ŘŗŜȱŠ ŘŚřȱŠ ŗşŞȱŠ Řŗşȱ ŗŖǯŞ

Potassium (kg ha-1) FR SR ŗŞŗȱŠ ŗŝŖȱŠ ŗŞŞȱŠ ŗśŜȱŠ ŗşřȱŠ ŗŚŞȱŠ ŘŖŗȱŠ ŗŝŚȱŠ ŗşŗȱ ŗŜŘȱ ŗŞǯŚ ŗřǯŚ

Average ŗşŗȱ ŗŞŝ ŗşśȱ ŗşŗȱ ŗşŘ

PC ŜśȱŠ ŝŗȱŠ ŜşȱŠ ŜŖȱŠ ŜŜ ŗŖǯŜ

Calcium (kg ha-1) FR SR śŖȱŠ śŖȱŠ ŚŞȱŠ śŞȱŠ śŚȱŠ ŜŗȱŠ śŜȱŠ śśȱŠ śŘ śŜ ŗŝǯŚ ŗŘǯś

Average śś śş Ŝŗ śŝ śŞ

Means followed by the same letter do not differ statistically by Scott-Knott test at 5% probability.

Silva et al., Yield and nutrients accumulation of sugarcane 419

Table 4 - Magnesium (Mg) and sulphur (S) accumulation in aerial biomass for four sugarcane varieties during plant-cane (PC), first regrowth (FR) and second regrowth (SR) cycles Varieties şŖŘŗŘ ŞŗřŘśŖ ŞŜŝśŗś şŘśŝş ŸŽ›ŠŽ ǯǯȱǻƖǼ

PC śŝȱŠ śşȱŠ ŜŜȱŠ śŝȱŠ ŜŖ ŘŘǯŞ

Magnesium (kg ha-1) FR SR řŞȱŠ ŚŖȱŠ ŚśȱŠ ŚŖȱŠ ŚŜȱŠ řŜȱŠ ŚŖȱŠ ŚśȱŠ ŚŘ Śŗ ŗşǯŘ ŗŜǯŞ

Average Śś ŚŞ Śş Śŝ Śŝ

PC śŗȱŠ ŜŚȱŠ ŜŚȱŠ śŞȱŠ śş ŗśǯř

Sulfur (kg ha-1) FR SR řŝȱŠ ŚŖȱŠ ŚŜȱŠ ŚŜȱŠ ŚŖȱŠ řŝȱŠ ŚŞȱŠ ŚŜȱŠ Śř Śř ŗŜǯş ŗśǯŜ

Average ŚŘ śŘ Śŝ śŗ ŚŞ

Means followed by the same letter do not differ statistically by Scott-Knott test at 5% probability.

—ȱ ‘Žȱ ™•Š—ȬŒŠ—Žȱ ‘Žȱ ŠŸŽ›ŠŽȱ ŠŒŒž–ž•Š’˜—ȱ ˜‹Š’—Žȱ Šœȱœ’–’•Š›ȱ˜ȱ‘Šȱ˜‹œŽ›ŸŽȱ‹¢ȱ•’ŸŽ’›Šȱ et alǯȱ ǻŘŖŗŚǼȱ ’—ȱ Šȱ œž¢ȱ Œ˜—žŒŽȱ ’—ȱ ‘Žȱ Ž››Šȱ ˜œȱ ’–˜›·œȱȮȱ ǰȱ‘Šȱ‹›˜ž‘ȱ˜žȱŠ—ȱŠŸŽ›ŠŽȱŠŒŒž–ž•Š’˜—ȱ ˜ȱ ŘŘŗȱ ”ȱ ‘ŠȬŗȱ ˜ȱ ȱ ˜›ȱ ŞŜŝśŗśȱ Š—ȱ şŘśŝşǯȱ•’ŸŽ’›Šȱet al.ȱǻŘŖŗŖǼȱ’—ȱŠȱœž¢ȱŒ˜—žŒŽȱ ’—ȱ Šȱ Ž••˜ ȱ ›’œ˜•ȱ ˜‹œŽ›ŸŽȱ ˜›ȱ ŞŜŝśŗśȱ Š—ȱ şŘśŝşȱ‘ŽȱœŠ–ŽȱŒŠ™ŠŒ’¢ȱ˜ȱ›Ž–˜Ÿ’—ȱ™˜Šœœ’ž–ȱ Ž¡›ŠŒ’—ǰȱŗŝśȱ”ȱ‘ŠȬŗȱ’—ȱŠŸŽ›ŠŽǯ ‘Žȱ ™˜Šœœ’ž–ȱ ŠŒŒž–ž•Š’˜—ȱ ŠŸŽ›ŠŽȱ ž›’—ȱ ‘Žȱ ꛜȱ ›Ž›˜ ‘ȱ  Šœȱ ŗşŗȱ ”ȱ ‘ŠȬŗǰȱ œ’–’•Š›ȱ ˜ȱ Ž—Žœȱ ǻŘŖŖŜǼǰȱ  ‘˜ȱ ˜‹œŽ›ŸŽȱ ŗşŞȱ ”ȱ ‘ŠȬŗǯȱ —ȱ ‘Žȱ œŽŒ˜—ȱ ›Ž›˜ ‘ȱŠŸŽ›ŠŽȱ ŠœȱŗŜŘǯŗŝȱ”ȱ‘ŠȬŗǰȱ ˜–ŽœȱǻŘŖŖřǼȱ ˜‹Š’—ŽȱŸŠ•žŽœȱ›Š—’—ȱ›˜–ȱŗśŘȱ˜ȱŘřśȱ”ȱ‘ŠȬŗ. ˜›ȱŒŠ•Œ’ž–ȱŠŒŒž–ž•Š’˜—ǰȱ’—ȱ‘Žȱ™•Š—ȬŒŠ—ŽȱŒ¢Œ•Žǰȱ ‘ŽȱŸŠ•žŽœȱ˜‹Š’—ŽȱŠ›Žȱ•˜ Ž›ȱ‘Š—ȱ‘˜œŽȱ˜‹Š’—Žȱ ‹¢ȱ •’ŸŽ’›Šȱ et alǯȱ ǻŘŖŗŖǼȱ Š—ȱ Ž—Žœȱ ǻŘŖŖŜǼǰȱ ‹žȱ ‘’‘Ž›ȱ‘Š—ȱ ‘Šȱ ŠœȱŸŽ›’ꮍȱ‹¢ȱŠœœ˜ȱ ž—’˜›ȱet al. ǻŘŖŖŝǼǯȱ‘Žȱꛜȱ›Ž›˜ ‘ȱ™›ŽœŽ—ŽȱŠŸŽ›ŠŽȱŸŠ•žŽœȱ ‘’‘Ž›ȱ‘Š—ȱ‘˜œŽȱ˜‹Š’—Žȱ‹¢ȱŽ—ŽœȱǻŘŖŖŜǼȱŠ—ȱ ›Š˜ȱ et alǯȱ ǻŘŖŖŘǼȱ Š—ȱ •˜ Ž›ȱ ‘Š—ȱ ‘˜œŽȱ ˜‹œŽ›ŸŽȱ ‹¢ȱ•’ŸŽ’›Šȱet alǯȱǻŘŖŖřǼǯȱ—ȱ‘ŽȱœŽŒ˜—ȱ›Ž›˜ ‘ǰȱ‘Žȱ ŠŸŽ›ŠŽȱŠŒŒž–ž•Š’˜—ȱ ŠœȱśŚǯŞŘȱ”ȱ‘ŠȬŗȱǻŠ‹•ŽȱřǼǯ Š—Žœ’ž–ȱ ŠŒŒž–ž•Š’˜—ȱ  Šœȱ ŜŖǯŘŜȱ ”ȱ ‘ŠȬŗ, ™›ŽœŽ—’—ȱ •˜ Ž›ȱ ŸŠ•žŽœȱ ‘Š—ȱ ‘˜œŽȱ ˜‹Š’—Žȱ ‹¢ȱ •’ŸŽ’›Šȱ et alǯȱ ǻŘŖŗŖǼȱ Š—ȱ ‘’‘Ž›ȱ ‘Š—ȱ ‘˜œŽȱ ˜ȱ Ž—Žœȱ ǻŘŖŖŜǼǯȱ —ȱ ‘Žȱ ꛜȱ ›Ž›˜ ‘ȱ ‘Žȱ ŠŒŒž–ž•Š’˜—ȱ Šœȱ•˜ Ž›ȱ˜ȱ‘Šȱ˜‹Š’—Žȱ‹¢ȱ•’ŸŽ’›Šȱet al. ǻŘŖŖřǼȱ Š—ȱ ‘’‘Ž›ȱ ‘Š—ȱ ‘˜œŽȱ ˜‹Š’—Žȱ ‹¢ȱ ›Š˜ȱ et alǯȱǻŘŖŖŘǼȱŠ—ȱŽ—Žœȱet alǯȱǻŘŖŗŗǼǰȱ ‘’Œ‘ȱ Ž›ŽȱŘŗǯşȱ Š—ȱřŗǯŝȱ”ȱ‘ŠȬŗǰȱ›Žœ™ŽŒ’ŸŽ•¢ǯȱ˜›ȱœŽŒ˜—ȱ›Ž›˜ ‘ȱ ‘Žȱ ŠŸŽ›ŠŽȱ ŠŒŒž–ž•Š’˜—ȱ  Šœȱ ŚŗǯŖřȱ ”ȱ ‘ŠȬŗ ǻŠ‹•ŽȱŚǼǯ

420 Revista de Ciências Agrárias, 2018, 41(2): 415-423

˜›ȱ œž•ž›ǰȱ ‘Ž›Žȱ  Šœȱ Š—ȱ ŠŒŒž–ž•Š’˜—ȱ ’—ȱ œ‘˜˜ȱ ‹’˜–Šœœȱ ˜ȱ śşǯŚȱ ”ȱ ‘ŠȬŗǰȱ ‘’‘Ž›ȱ ‘Š—ȱ ‘Žȱ ŸŠ•žŽœȱ ›Ž™˜›Žȱ ‹¢ȱ Šœœ˜ȱ ø—’˜›ȱ et alǯȱ ǻŘŖŖŝǼǯȱ —ȱ ‘Žȱ ꛜȱ ›Ž›˜ ‘ȱ‘Žȱ–ŽŠ—ȱŠŒŒž–ž•Š’˜—ȱ ŠœȱŚŞǯŜȱ”ȱ‘ŠȬŗ showing a higher accumulation compared to the ›Žœž•œȱ˜ȱ˜•Ž’ȱet alǯȱǻŘŖŖŜǼȱŠ—ȱ›Š˜ȱet alǯȱǻŘŖŖŘǼǯȱ ˜›ȱœŽŒ˜—ȱ›Ž›˜ ‘ȱ‘ŽȱŠŸŽ›ŠŽȱ ŠœȱŚřȱ”ȱ‘ŠȬŗ. •Š—ȬŒŠ—Žȱ –ŠŒ›˜—ž›’Ž—œȱ ŠŒŒž–ž•Š’˜—ȱ ŠŸŽ›ŠŽȱ ’—ȱ ‘Žȱ ‹’˜–Šœœȱ ˜ȱ ŠŽ›’Š•ȱ ™Š›ȱ ˜ȱ ‘Žȱ ŸŠ›’Ž’Žœȱ ™›ŽœŽ—Žȱ‘Žȱ˜••˜ ’—ȱŽœŒŽ—’—ȱ˜›Ž›ȱ ȱǁȱȱǁȱ Šȱǁȱȱǁȱȱǁȱǰȱ‹žȱ’—ȱ‘ŽȱꛜȱŠ—ȱœŽŒ˜—ȱ›Ž›˜ ‘ȱ ‘ŽȱœŽšžŽ—ŒŽȱ˜‹œŽ›ŸŽȱ Šœȱ ȱǁȱȱǁȱŠȱǁȱȱǁȱȱǁȱ ǯȱ‘Žȱ–ŠŒ›˜—ž›’Ž—œǰȱ ’‘ȱ‘ŽȱŽ¡ŒŽ™’˜—ȱ˜ȱ™‘˜œphorus and calcium, showed a tendency to reduce ŠŒŒž–ž•Š’˜—ȱ ’—ȱ œ‘˜˜ȱ ‹’˜–Šœœȱ ŠŒŒ˜›’—ȱ ˜ȱ ‘Žȱ ŽœŒŽ—’—ȱ ˜›Ž›ȱ ˜ȱ ™•Š—ȬŒŠ—Žȱ ǁȱ ꛜȱ ›Ž›˜ ‘ȱ ǁȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǯȱ ˜–Žœȱ ǻŘŖŖřǼȱ ˜‹Š’—Žȱ œ–Š••Ž›ȱ accumulations of primary macronutrients in the ꛜȱ›Ž›˜ ‘ȱŒ¢Œ•Žǰȱ˜••˜ Žȱ‹¢ȱœŽŒ˜—ȱ›Ž›˜ ‘ȱ and plant-cane. ‘Ž›Žȱ Šœȱ—˜ȱŸŠ›’ŽŠ•ȱŽěŽŒȱ˜›ȱ‘Žȱ£’—ŒȱŠ—ȱ’›˜—ȱ ŠŒŒž–ž•Š’˜—ȱ’—ȱ‘Žȱ™•Š—ȬŒŠ—ŽȱŠ—ȱꛜȱ›Ž›˜ ‘ȱ Œ¢Œ•ŽœȱǻŠ‹•ŽȱśǼǯȱ˜›ȱœŽŒ˜—ȱ›Ž›˜ ‘ǰȱŠȱ•Š›Ž›ȱŠŒŒž–ž•Š’˜—ȱ˜ȱ‘ŽœŽȱ–’Œ›˜—ž›’Ž—œȱ Šœȱ˜‹œŽ›ŸŽȱ˜—ȱ ŞŜŝśŗśȱ ŸŠ›’Ž¢ǯȱ Šœœ˜ȱ ž—’˜›ȱ et al.ȱ ǻŘŖŗŗǼȱ ŽŸŠ•žated the micronutrients extraction and exporta’˜—ȱ ˜›ȱ ꟎ȱ œžŠ›ŒŠ—Žȱ ŸŠ›’Ž’Žœȱ Š—ȱ ˜‹Š’—Žȱ Šȱ £’—Œȱ ŠŒŒž–ž•Š’˜—ȱ ›Š—’—ȱ ›˜–ȱ ŘŚśȱ ˜ȱ śřśȱ ȱ ‘ŠȬŗ ȱ Š—ȱ ’›˜—ȱ ›Š—’—ȱ ›˜–ȱ ŘǰŝŖŖȱ ˜ȱ ŚǰřŖŖȱ ȱ ‘ŠȬŗ in ŽȬŽ••˜ ȱ¡’œ˜•ǯȱŽ—Žœȱet al.ȱǻŘŖŗŗǼȱŽŸŠ•žŠ’—ȱ ‘Žȱ –’Œ›˜—ž›’Ž—œȱ Ž¡™˜›Š’˜—ȱ ‹¢ȱ şŘśŝşȱ ’—ȱ Šȱ Ž›’œ˜•ȱ ›˜–ȱ ‘Žȱ ž‹–·’˜ȱ ¨˜ȱ ›Š—Œ’œŒ˜ȱ ›Ž’˜—ȱ ˜‹Š’—ŽȱŠ—ȱŠŒŒž–ž•Š’˜—ȱ˜ȱřŜŘȱȱ‘ŠȬŗȱŠ™™›˜Ÿ’—ȱ the results of the present study.

Table 5 - Zinc (Zn) and iron (Fe) accumulation in aerial biomass for four sugarcane varieties during plant-cane (PC), first regrowth (FR) and second regrowth (SR) cycles Varieties şŖŘŗŘ ŞŗřŘśŖ ŞŜŝśŗś şŘśŝş ŸŽ›ŠŽ ǯǯȱǻƖǼ

Zinc (g ha-1)

Iron (g ha-1)

PC

FR

SR

Average

PC

FR

SR

Average

řŗřȱŠ řřśȱŠ řŞŝȱŠ řŚśȱŠ řŚś řŗǯŝŘ

ŘŘśȱŠ ŘŖŚȱŠ ŘŚŘȱŠ ŘŜŞȱŠ Řřś ŘŚǯŞŞ

řŗŚȱŠ řŚŜȱŠ Śśŝȱ‹ řŚŘȱŠ řŝŝ ŗŚǯŝŗ

ŘŞŚ řŘŞ řŜŘ řŗŞ řŗş

ŚřşśȱŠ ŚŚřŞȱŠ ŚŗřŞȱŠ řŞŚśȱŠ ŚŘŖŚ ŗşǯşŗ

řŜřŚȱŠ řśŖŖȱŠ řŜŚŖȱŠ ŘşŜŗȱŠ řŚřŚ śśǯŘŚ

ŘşřşȱŠ řŘŞŞȱŠ řśŞşȱ‹ ŘŝśśȱŠ řŗŚř ŗŘǯŗŗ

řŜśŜ řŝŚŘ řŝŞş řŗŞŝ řśşř

Means followed by the same letter do not differ statistically by Scott-Knott test at 5% probability.

‘Žȱ Œ˜™™Ž›ȱ Š—ȱ –Š—Š—ŽœŽȱ Œ˜—Ž—œȱ ŠŸŠ’•Š‹•Žȱ ’—ȱ ‘ŽȱŖȱ˜ȱŘŖȱŒ–ȱŽ™‘ȱ•Š¢Ž›ȱŽ¡›ŠŒŽȱ ’‘ȱŽ‘•’Œ‘Ȭŗȱ œ˜•ž’˜—ȱ  Ž›Žȱ ŖǯŜȱ Š—ȱ Śǯŝȱ –ȱ –Ȭřǰȱ ‹Ž’—ȱ •˜ Ž›ȱ ‘Š—ȱ ‘Žȱ Œ›’’ŒŠ•ȱ •ŽŸŽ•œȱ Žę—Žȱ ‹¢ȱ Š›’—‘˜ȱ Š—ȱ •‹žšžŽ›šžŽȱ ǻŗşŞŗǼǰȱ Œ˜—žŒŽȱ ’—ȱ •Š˜Šœȱ ŠŽǰȱ ˜‹Š’—’—ȱ ŖǯŞŖȱ Š—ȱ ŜǯŖȱ –ȱ –Ȭř of copper and –Š—Š—ŽœŽǰȱ ›Žœ™ŽŒ’ŸŽ•¢ǯȱ ‘’œȱ ŠŒȱ ŒŠ—ȱ Ž¡™•Š’—ȱ ‘Žȱ •˜ ȱ ›Ž–˜ŸŠ•ȱ ǻŠ‹•Žȱ ŜǼȱ  ‘Ž—ȱ Œ˜–™Š›Žȱ ˜ȱ ‘Žȱ Œ˜–™’•Š’˜—ȱ™Ž›˜›–Žȱ‹¢ȱ•’ŸŽ’›Šȱet alǯȱǻŘŖŖŝǼǯ ˜•’Š›ȱ ’Š—˜œ’œȱ œž’Žœȱ –Š¢ȱ ›Ž™˜›ȱ ’ȱ œ˜’•ȱ œž™™•¢ȱ ’œȱ ŠŽšžŠŽȱ ˜›ȱ ’ȱ ™•Š—œȱ Š›Žȱ ŽęŒ’Ž—ǯȱ —ȱ ŒŠœŽȱ ˜ȱ ’—ŠŽšžŠŽ•¢ȱ œž™™•’Žȱ Œ˜››ŽŒ’ŸŽǰȱ ŽĜŒ’Ž—ȱ œ˜’•ȱ Ž›’•’£Š’˜—ȱ –Š—ŠŽ–Ž—ȱ ’œȱ —ŽŒŽœœŠ›¢ǯȱ ˜™™Ž›ȱ Š—ȱ–Š—Š—ŽœŽȱŽęŒ’Ž—Œ¢ȱŒŠ—ȱŒŠžœŽȱ™›˜žŒ’Ÿ’¢ȱ ™˜Ž—’Š•ȱ Š–ŠŽœǰȱ ‹¢ȱ ›ŽŠœ˜—ȱ ˜ȱ ‘ŽœŽȱ Ž•Ž–Ž—œȱ ™Š›’Œ’™ŠŽȱ ’—ȱ œŽŸŽ›Š•ȱ ˜¡’Š’˜—Ȭ›ŽžŒ’˜—ȱ ›ŽŠŒ’˜—œǰȱŽœ™ŽŒ’Š••¢ȱ’—ȱ‘Žȱ™‘˜˜•¢œ’œȱ˜ȱ ŠŽ›ǰȱŒŠ›‹˜—ȱ Š—ȱ—’›˜Ž—ȱ–ŽŠ‹˜•’œ–ȱǻŠ›œ‘—Ž›ǰȱŘŖŗŘǼǯ ‘Žȱ ŠŸŽ›ŠŽȱ ŸŠ•žŽœȱ ˜ȱ ‹˜›˜—ȱ ’—ȱ œ‘˜˜ȱ ‹’˜–Šœœȱ ˜ȱ ˜ž›ȱ œžŠ›ŒŠ—Žȱ ŸŠ›’Ž’Žœȱ ’—ȱ ‘Žȱ ™•Š—ȬŒŠ—Žȱ Œ¢Œ•Žœǰȱ ꛜȱ Š—ȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǰȱ Š›Žȱ œ‘˜ —ȱ ’—ȱ Š‹•Žȱ ŝǯȱ

‘Ž›Žȱ  Šœȱ Šȱ ŸŠ›’ŽŠ•ȱ ŽěŽŒȱ ˜—•¢ȱ ’—ȱ ‘Žȱ œŽŒ˜—ȱ ›Ž›˜ ‘ǰȱ  ’‘ȱ ŞŜŝśŗśȱ ™›˜Ÿ’’—ȱ ›ŽŠŽ›ȱ ŠŒŒž–ž•Š’˜—ǯȱ ŒŒ˜›’—ȱ ˜ȱ •’ŸŽ’›Šȱ et alǯȱ ǻŘŖŖŝǼǰȱ ˜›ȱ Šȱ ™›˜žŒ’˜—ȱ˜ȱŗśŖȱ˜—œȱ˜ȱ—Šž›Š•ȱ–ŠŽ›’Š•ǰȱœžŠ›ŒŠ—Žȱ Ž¡›ŠŒœȱ Š—ȱ ŠŒŒž–ž•ŠŽœȱ ŞǯŖǰȱ řǯŖǰȱ ŖǯŜǰȱ ŖǯŚȱ Š—ȱ Ŗǯřȱ ”ȱ ˜ȱ ’›˜—ǰȱ –Š—Š—ŽœŽǰȱ £’—Œǰȱ Œ˜™™Ž›ȱ Š—ȱ ‹˜›˜—ȱ ’—ȱ œ‘˜˜ȱ ‹’˜–Šœœǰȱ ›Žœ™ŽŒ’ŸŽ•¢ǯȱ ž›’—ȱ ‘Žȱ ‘›ŽŽȱŒž•’ŸŠ’˜—ȱŒ¢Œ•Žœȱ‘ŽȱŸŠ›’Ž’Žœȱ™›ŽœŽ—Žȱ‘Žȱ ˜••˜ ’—ȱ ŽŒ›ŽŠœ’—ȱ ˜›Ž›ȱ ˜ȱ Ž¡›ŠŒ’˜—DZȱ ›˜—ȱ ǁȱ Š—Š—ŽœŽȱǁȱ’—Œȱǁȱ˜›˜—ȱǁȱ˜™™Ž›ǯ Table 7 - Boron (B) accumulation in aerial biomass for four sugarcane varieties during plant-cane (PC), first regrowth (FR) and second regrowth (SR) cycles Varieties şŖŘŗŘ ŞŗřŘśŖ ŞŜŝśŗś şŘśŝş ŸŽ›ŠŽ ǯǯȱǻƖǼ

PC řŚŗȱŠ řŚśȱŠ řŞşȱŠ řŗşȱŠ řŚş řŖǰŚŗ

Boron (g ha-1) FR SR ŘřşȱŠ ŗŘśȱŠ ŘřřȱŠȱ ŗŘŗȱŠ ŘŚŚȱŠ ŗřŜȱŠ ŘŚŖȱŠ ŗŘŝȱŠ Řřşȱ ŗŘŝ ŘŖǰŜŞ ŗŝǰŝŞ

Average Řřś Řřř ŘśŜ ŘŘŞ ŘřŞ

Means followed by the same letter do not differ statistically by Scott-Knott test at 5% probability.

Table 6 - Copper (Cu) and manganese (Mn) accumulation in aerial biomass for four sugarcane varieties during plant-cane (PC), first regrowth (FR) and second regrowth (SR) cycles Varieties şŖŘŗŘ ŞŗřŘśŖ ŞŜŝśŗś şŘśŝş ŸŽ›ŠŽ ǯǯȱǻƖǼ

PC ŝśȱŠ ŝŞȱŠ ŝřȱŠ ŝŗȱŠ ŝŚ ŗŞǯŞś

Copper (g ha-1) FR SR ŚŝȱŠ ŚŞȱŠ ŚŖȱŠ ŜŖȱŠ ŚŜȱŠ śŜȱŠ śŘȱŠ ŜřȱŠ ŚŜ śŝ ŗŝǯŚŖ ŘşǯśŚ

Average ŜŜ śş śŞ ŜŘ śş

PC ŜřşȱŠ ŜřŚȱŠ śŞśȱŠ ŚśŜȱŠ śŝŞ ŗŞǯŜř

Manganese (g ha-1) FR SR śŗŖȱŠ şŖşȱŠ ŜŖŞȱŠ ŗŗşŖȱŠ ŜŞŖȱŠ ŗŖřśȱŠ śŗŝȱŠ ŗŖśŘȱŠ śŝş ŗŖŚŝ řŗǯśŜ ŗŞǯşŘ

Average ŜŞŜ ŞŗŖ ŝŜŜ Ŝŝś ŝřŚ

Means followed by the same letter do not differ statistically by Scott-Knott test at 5% probability.

Silva et al., Yield and nutrients accumulation of sugarcane 421

CONCLUSIONS ˜ȱ ’쎛Ž—ŒŽȱ  Šœȱ ˜‹œŽ›ŸŽȱ Š–˜—ȱ ‘Žȱ œžŠ›ŒŠ—ŽȱŸŠ›’Ž’Žœȱ›ŽŠ›’—ȱœŠ•”ȱ¢’Ž•ǯȱ—ȱŠŸŽ›ŠŽȱ‘Žȱ ›Žœž•œȱ Ž›ŽȱŗŘŜǰȱŗŖŘȱŠ—ȱŞŜȱȱ‘ŠȬŗǰȱ›Žœ™ŽŒ’ŸŽ•¢ȱ˜›ȱ ™•Š—ȬŒŠ—ŽǰȱꛜȱŠ—ȱœŽŒ˜—ȱ›Ž›˜ ‘ǯ ˜›ȱ—ž›’Ž—œȱŠŒŒž–ž•Š’˜—ǰȱ—˜ȱŽěŽŒȱ ŠœȱŠ•œ˜ȱŸŽ›’ꮍȱ˜›ȱ‘ŽȱŸŠ›’Ž’Žœǯȱ‘ŽȱŠŸŽ›ŠŽȱŠŒŒž–ž•Š’˜—ȱ˜ȱ ǰȱǰȱ ǰȱŠǰȱȱŠ—ȱȱž›’—ȱ‘Žȱ‘›ŽŽȱ‘Š›ŸŽœ’—ȱ

Œ¢Œ•Žœȱ Ž›Žǰȱ›Žœ™ŽŒ’ŸŽ•¢ǰȱřşŜǰȱŜřǰȱśŝŜǰȱŗŝŚǰȱŗŚŗȱŠ—ȱ ŗŚŚȱ”ȱ™Ž›ȱ‘ŽŒŠ›Žǯ

ACKNOWLEDGMENTS ˜ȱ ‘Žȱ ›’ž—˜ȱ ’••ȱ ˜›ȱ ‘Žȱ •˜’œ’ŒŠ•ȱ œž™™˜›ȱ ž›’—ȱ ‘’œȱ œž¢ǯȱ ˜ȱ ˜—œŽ•‘˜ȱ ž™Ž›’˜›ȱ Žȱ ŽœŽ—Ÿ˜•Ÿ’–Ž—˜ȱ’Ž—ÇꌘȱŽȱŽŒ—˜•à’Œ˜ȱǻšǼȱ ˜›ȱꗊ—Œ’Š•ȱœž™™˜›ȱŠ—ȱ‘ŽȱŽ••˜ œ‘’™œȱŒ˜—ŒŽŽǯȱ

REFERENCES •ŸŽœǰȱ ǯǯǯDzȱ ŠŠ•‘¨Žœǰȱ ǯǯDzȱ ˜ŸŠ’œǰȱ ǯǯȱ Š‘’Šȱ ’•‘˜ǰȱǯǯǯDzȱ •’ŸŽ’›Šǰȱ ǯǯȱ ǭȱ ›Š—³Šǰȱ ǯǯǯȱ ǻŗşşŞǼȱ Ȯȱ ˜ŒŠ•’£Š³¨˜ȱŽȱàœ˜›˜ȱŽȱŽȱ—’›˜¹—’˜ȱŠŽŠ—˜ȱ˜œȱ™Š›¦–Ž›˜œȱŒ’—·’Œ˜œȱŽȱŠ‹œ˜›³¨˜ȱŽȱ—’›˜¹—’˜ȱŽ–ȱ milho. Revista Brasileira de Fisiologia VegetalǰȱŸ˜•ǯȱŗŖǰȱ™ǯȱŗşŝȬŘŖŗǯ Ž—ŽĴǰȱǯ ǯǯDzȱž£ŽĴ’ǰȱǯDzȱ’•ŸŠǰȱ ǯǯǰȱŽ’¡Ž’›Šȱ’•‘˜ǰȱǯǯǯDzȱ˜œŠǰȱǯǯDzȱŠŽŠǰȱǯǯȱǭȱ—›Ž˜Ĵ’ǰȱǯȱǻŘŖŗřǼȱ ȮȱŒø–ž•˜ȱŽȱ—ž›’Ž—Žœȱ—˜ȱŒ˜•–˜ȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŽ–ȱž—³¨˜ȱŽȱ˜—ŽœȱŽȱ˜œŽœȱŽȱ–Š—Š—¹œǯȱSemina: Ciências AgráriasǰȱŸ˜•ǯȱřŚǰȱ—ǯȱřǰȱ™ǯȱŗŖŝŝȬŗŖŞŞǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯśŚřřȦŗŜŝşȬŖřśşǯŘŖŗřŸřŚ—ř™ŗŖŝŝ Š’˜—Žǰȱ ǯDzȱŽ›—Š—ŽœǰȱǯǯȱǭȱŠ—ŽǰȱǯȱǻŘŖŗřǼȱȮȱŽ’˜ȱ›Žœ’žŠ•ȱŽȱ˜—ŽœȱŽȱàœ˜›˜ȱ—˜œȱŠ›’‹ž˜œȱšžÇ–’Œ˜œȱ ˜ȱœ˜•˜ǰȱ—ž›’³¨˜ȱŽȱ™›˜ž’Ÿ’ŠŽȱŽȱ‹’˜–ŠœœŠȱŠȱŒŠ—ŠȬŽȬŠ³øŒŠ›ǯȱRevista Brasileira de Ciências Agrárias, Ÿ˜•ǯȱŞǰȱ—ǯȱŘǰȱ™ǯȱŗŞşȬŗşŜǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯśŖřşȦŠ›Š›’ŠǯŸŞ’ŘŠŘŖŗŜ Š•‘Ž’›˜œǰȱǯǯDzȱ •’ŸŽ’›Šǰȱ ǯǯDzȱ Ž››Ž’›Šǰȱ ǯǯDzȱ Š›‹˜œŠǰȱ ǯǯǯDzȱ Š—’Š˜ǰȱǯǯȱ ǭȱ›’œ’Žœȱ ǯǯǯȱ ǻŘŖŗŘǼȱ Ȯȱ ›˜ž³¨˜ȱŽȱ‹’˜–ŠœœŠǰȱŠȱ™Š›’›ȱŽȱŠ³øŒŠ›ȱŽȱ™›˜ŽÇ—ŠȱŽ–ȱž—³¨˜ȱŽȱŸŠ›’ŽŠŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŽȱŠž‹Š³¨˜ȱ fosfatada. Semina: Ciências AgráriasǰȱŸ˜•ǯȱřřǰȱ—ǯȱŘǰȱ™ǯȱŞŖşȬŞŗŞǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯśŚřřȦŗŜŝşȬŖřśşǯŘŖŗ؟řř—Ř™ŞŖş ˜•Ž’ǰȱ ǯǯDzȱ ŠœŠ›Š—Žǰȱ ǯǯDzȱ ž™’Ž••˜ǰȱ ǯ ǯDzȱ ’‹Ž’›˜ǰȱ ǯǯȱ ǭȱ •’ŸŽ’›Šǰȱ ǯǯȱ ǻŘŖŖŜǼȱ Ȯȱ Ž–˜³¨˜ȱ Žȱ –ŠŒ›˜—ž›’Ž—Žœȱ™Ž•ŠȱŒŠ—ŠȬ™•Š—ŠȱŽȱŒŠ—ŠȬœ˜ŒŠǰȱŽ–ȱ›’œœ˜•˜œǰȱŸŠ›’ŽŠŽœȱŞřŚŞŜȱŽȱŞŗȬřŘśŖǯȱSTAB – Açúcar, Álcool e SubprodutosǰȱŸ˜•ǯȱŘŚǰȱ™ǯȱřŘȬřŜǯ ˜—Š‹ȱ ǻŘŖŗŜǼȱ Ȯȱ Acompanhamento da safra brasileira: cana-de-açúcarǯȱ ›’–Ž’›˜ȱ ŽŸŠ—Š–Ž—˜ǰȱ ˜–™Š—‘’Šȱ ŠŒ’˜—Š•ȱŽȱ‹ŠœŽŒ’–Ž—˜ǯȱŜŜȱ™ǯ –‹›Š™ŠǯȱǻŘŖŗřǼȱȮȱ’œŽ–Šȱ‹›Šœ’•Ž’›˜ȱŽȱŒ•Šœœ’ęŒŠ³¨˜ȱŽȱœ˜•˜œǯȱřǯĶȱŽǯȱ›ŠœÇ•’Šǰȱ–™›ŽœŠȱ›Šœ’•Ž’›ŠȱŽȱŽœšž’œŠȱ ›˜™ŽŒž¤›’Šǰȱ–‹›Š™Šȱ˜•˜œǰȱřśřȱ™ǯ Ž››Ž’›Šǰȱ ǯǯȱ ǻŘŖŗŗǼȱ Ȯȱ ’œŸŠ›DZȱ Šȱ Œ˜–™žŽ›ȱ œŠ’œ’ŒŠ•ȱ Š—Š•¢œ’œȱ œ¢œŽ–ǯȱ Ciência e Agrotecnologiaǯȱ Ÿ˜•ǯȱřśǰȱ —ǯȱŜǰȱ ™ǯȱŗŖřşȬŗŖŚŘǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯŗśşŖȦŗŚŗřȬŝŖśŚŘŖŗŗŖŖŖŜŖŖŖŖŗ ›Š—Œ˜ǰȱ ǯǯ ǯDzȱ˜•˜—ŠǰȱǯǯDzȱŠ›˜—’ǰȱǯǯDzȱ’Ĵ’ǰȱǯǯȱǭȱ›’ŸŽ•’—ǰȱǯǯǯȱǻŘŖŖŝǼȱȮȱŒø–ž•˜ȱŽȱ–ŠŒ›˜—ž›’Ž—Žœȱ Ž–ȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŽ–ȱž—³¨˜ȱŠȱŠž‹Š³¨˜ȱ—’›˜Ž—ŠŠȱŽȱ˜œȱ›ŽœÇž˜œȱŒž•ž›Š’œȱ’—Œ˜›™˜›Š˜œȱŠ˜ȱœ˜•˜ȱ—˜ȱ plantio. BragantiaǰȱŸ˜•ǯȱŜŜǰȱ—ǯȱŚǰȱ™ǯȱŜŜşȬŜŝŚǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯŗśşŖȦŖŖŖŜȬŞŝŖśŘŖŖŝŖŖŖŚŖŖŖŗŝ ›Š—Œ˜ǰȱ ǯǯ ǯDzȱĴ˜ǰȱǯȱŠ›˜—’ǰȱǯǯDzȱ’Ĵ’ǰȱǯǯDzȱ•’ŸŽ’›Šǰȱǯǯǯȱǭȱ›’ŸŽ•’—ǰȱǯǯǯȱǻŘŖŗŗǼȱȮȱ’›˜Ž—ȱ’—ȱœžŠ›ŒŠ—ŽȱŽ›’ŸŽȱ›˜–ȱŽ›’•’£Ž›ȱ’—ȱ›Š£’•’Š—ȱꎕȱŒ˜—’’˜—œǯȱField Crop ResearchǰȱŸ˜•ǯȱŗŘŗǰȱ—ǯȱŗǰȱ™ǯȱŘşȬŚŗǯȱ‘Ĵ™DZȦȦ ¡ǯ˜’ǯ˜›ȦŗŖǯŗŖŗŜȦ“ǯŒ›ǯŘŖŗŖǯŗŗǯŖŗŗ

˜–Žœǰȱ ǯǯǯȱ ǻŘŖŖřǼȱ Ȯȱ ›˜ž³¨˜ȱ Žȱ Œ˜•–˜œȱ Žȱ Ž¡™˜›Š³¨˜ȱ Žȱ –ŠŒ›˜—ž›’Ž—Žœȱ ™˜›ȱ ™›’–¤›’˜œȱ Œž•’ŸŠ›Žœȱ Žȱ ŒŠ—ŠȬŽ-açúcar (Saccharum spp.)ǯȱ ’œœŽ›Š³¨˜ȱ Žȱ Žœ›Š˜ǯȱ ’›ŠŒ’ŒŠ‹Šǰȱ œŒ˜•Šȱ ž™Ž›’˜›ȱ Žȱ›’Œž•ž›Šȱ ž’£ȱ Žȱ žŽ’›˜£ǯȱŜśȱ™ǯ ŠŠ•‘¨Žœǰȱ ǯǯȱ ǻŗşşŜǼȱ Ȯȱ ‹œ˜›³¨˜ȱ Žȱ ›Š—œ•˜ŒŠ³¨˜ȱ Žȱ —’›˜¹—’˜ȱ ™˜›ȱ ™•Š—Šœȱ Žȱ –’•‘˜ȱ ǻŽŠȱ –Š¢œȱ ǯǼȱ œž‹–Ž’Šœȱ Šȱ ™Ž›Ç˜˜œȱŒ›ŽœŒŽ—ŽœȱŽȱ˜–’œœ¨˜ȱŽȱàœ˜›˜ȱ—Šȱœ˜•ž³¨˜ȱ—ž›’’ŸŠǯȱ’œœŽ›Š³¨˜ȱŽȱŽœ›Š˜ǯȱ’³˜œŠǰȱ—’ŸŽ›œ’ŠŽȱ ŽŽ›Š•ȱŽȱ’³˜œŠǰȱŝŜȱ™ǯ Š•ŠŸ˜•ŠǰȱǯDzȱ’Ĵ’ǰȱ ǯȱǯDzȱ•’ŸŽ’›ŠǰȱǯǯȱǻŗşşŝǼȱȮȱŸŠ•’Š³¨˜ȱ˜ȱŽœŠ˜ȱ—ž›’Œ’˜—Š•ȱŠœȱ™•Š—ŠœDZȱ™›’—ŒÇ™’˜œȱŽȱŠ™•’ŒŠções.ȱŘǯĶȱŽǯȱ’›ŠŒ’ŒŠ‹Šǰȱœœ˜Œ’Š³¨˜ȱ›Šœ’•Ž’›Šȱ™Š›ŠȱŽœšž’œŠȱŠȱ˜ŠœœŠȱŽȱ˜ȱ˜œŠ˜ǯȱřŗşȱ™ǯ 422 Revista de Ciências Agrárias, 2018, 41(2): 415-423

Š—‘¨Žœǰȱ ǯǯǯDzȱ Š›Œ’Šǰȱ ǯǯDzȱ ›Š—ŒŽ•’—˜ǰȱ ǯȱ ǯȱǯǰȱ •’ŸŽ’›Šǰȱ ǯȱ ǯDzȱ ǭȱ ˜Ž•‘˜ǰȱ ǯȱ ǯȱ ǻŘŖŗśǼȱ Ȯȱ Š˜›Žœȱ šžŽȱ ŠŽŠ–ȱ Šȱ ‹›˜Š³¨˜ȱ Žȱ ˜ȱ ™Ž›ę•‘Š–Ž—˜ȱ Šȱ ŒŠ—ŠȬŽȬŠ³øŒŠ›ǯȱ Vérticesǰȱ Ÿ˜•ǯȱŗŝǰȱ —ǯȱŗǰȱ ™ǯȱŗŜřȬŗŞŗǯȱ ‘Ĵ™DZȦȦ¡ǯ˜’ǯ ˜›ȦŗŖǯśşřśȦŗŞŖşȬŘŜŜŝǯŘŖŗśŖŖŗŗ

Š›’—‘˜ǰȱǯǯȱǭȱ•‹žšžŽ›šžŽǰȱ ǯǯǯȱǻŗşŞŗǼȱȮȱŽ’˜ȱ˜ȱŒ˜‹›ŽȱŽȱ˜ȱ£’—Œ˜ȱ—Šȱ™›˜ž³¨˜ȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŽ–ȱ œ˜•˜œȱŽȱŠ‹ž•Ž’›˜œȱŽȱ•Š˜ŠœǯȱBrasil AçucareiroǰȱŸ˜•ǯȱşŞǰȱ™ǯȱŚŗȬśŖǯ Š›œŒ‘—Ž›ǰȱǯȱǻŘŖŗŘǼȱȮȱMineral Nutrition of higher plants. řǯĶȱŽǯȱŠ—ȱ’Ž˜ǰȱ•œŽŸ’Ž›ǰȱŜśŗȱ™ǯ Ž—ŽœǰȱǯǯǯDzȱ˜ž›ŠǰȱǯǯDzȱ’•ŸŠǰȱǯ ǯǯDzȱŠ›–˜ǰȱ ǯǯǯǭȱ›Š—¨˜ǰȱǯǯȱǻŘŖŗŗǼȱȮȱŒø–ž•˜ȱŽȱŽ¡™˜›Š³¨˜ȱ Žȱ–’Œ›˜—ž›’Ž—Žœȱ™Ž•ŠȱŒŠ—ŠȱŽȱŠ³øŒŠ›ȱ’››’ŠŠȱ—˜ȱŽ–’¤›’˜ȱ‹›Šœ’•Ž’›˜ǯȱIn: Congresso brasileiro de ciência do solo, 33ǯȱ‹Ž›•¦—’Šǰȱ›Šœ’•ǰȱǰȱ™ǯȱŗȬŚǯ Ž—ŽœǰȱǯǯȱǻŘŖŖŜǼȱȮȱꌒ¹—Œ’Šȱ—ž›’Œ’˜—Š•ȱŽȱŒž•’ŸŠ›ŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ǯȱ’œœŽ›Š³¨˜ȱŽȱŽœ›Š˜ǯȱ’³˜œŠǰȱ —’ŸŽ›œ’ŠŽȱŽŽ›Š•ȱŽȱ’³˜œŠǯȱŚŜȱ™ǯ •’ŸŽ’›Šǰȱ ǯǯǯDzȱ ›Ž’›Žǰȱ ǯ ǯDzȱ •’ŸŽ’›Šǰȱ ǯǯǯDzȱ ›Ž’›Žǰȱ ǯǯ ǯǯDzȱ ’–䎜ȱ Ž˜ǰȱ ǯǯȱ ǭȱ ’•ŸŠǰȱ ǯǯǯȱ ǻŘŖŗŖǼȱ Ȯȱ ¡›Š³¨˜ȱ Žȱ Ž¡™˜›Š³¨˜ȱ Žȱ —ž›’Ž—Žœȱ ™˜›ȱ ŸŠ›’ŽŠŽœȱ Žȱ ŒŠ—ŠȬŽȬŠ³øŒŠ›ȱ Œž•’ŸŠŠœȱ œ˜‹ȱ ’››’Š³¨˜ȱ ™•Ž—Šǯȱ Revista Brasileira de Ciências do SoloǰȱŸ˜•ǯȱřŚǰȱ™ǯȱŗřŚřȬŗřśŘǯ •’ŸŽ’›ŠǰȱǯǯDzȱŠ›‹˜œŠǰȱǯ ǯǯDzȱŠ–ŠœŒŽ—˜ǰȱǯǯȱǭȱŽ—ŽœǰȱǯǯȱǻŘŖŖřǼȱȮȱŠ·›’ŠȱŽŒŠȱŽȱž›’Ž—Žœȱ—Šȱ Š•‘ŠŠȱŽȱŽ£ȱŠ›’ŽŠŽœȱŽȱŠ—ŠȬŽȬ³øŒŠ› STAB – Açúcar, Álcool e SubprodutosǰȱŸ˜•ǯȱŘŗǰȱ™ǯȱřŖȬřŗǯ •’ŸŽ’›ŠǰȱǯǯDzȱ›Ž’›ŽǰȱǯǯDzȱŠŒ¹˜ǰȱ ǯǯǯȱǭȱŽ››Ž’›Šǰȱ ǯ ǯȱǻŘŖŖŝǼȱȮȱž›’³¨˜ȱ–’—Ž›Š•ȱŽȱŠž‹Š³¨˜ȱŠȱŒŠ—ŠȬŽȬŠ³øŒŠ›ǯȱInforme AgropecuárioǰȱŸ˜•ǯȱŘŞǰȱ—ǯȱŘřşǰȱ™ǯȱřŖȬŚřǯ •’ŸŽ’›ŠǰȱǯǯDzȱŠ›’—’ǰȱ ǯǯDzȱ¢›ŠǰȱǯǯǯDzȱŠ•žŠǰȱ ǯǯDzȱŽ›Ž’›Šǰȱǯ ǯDzȱŽ—˜›’˜ǰȱǯ ǯǯȱǭȱ›’œ’Žœǰȱǯǯǯȱ ǻŘŖŗŗǼȱ Ȯȱ ›˜ž³¨˜ȱ Šȱ ŞŜŝśŗśȱ ’—ĚžŽ—Œ’ŠŠȱ ™Ž•Šȱ Š™•’ŒŠ³¨˜ȱ Žȱ œž‹œ¦—Œ’Šœȱ ‘ø–’ŒŠœǰȱ Š–’—˜¤Œ’˜œȱ Žȱ extrato de algas marinhas. STAB – Açúcar, Álcool e SubprodutosǰȱŸ˜•ǯȱřŖǰȱ™ǯȱřŖȬřřǯ •’ŸŽ’›ŠǰȱǯǯDzȱ’•ŸŠǰȱǯǯ ǯDzȱŽ’œǰȱǯǯDzȱ•’ŸŽ’›Šǰȱǯǯȱǭȱ’•ŸŠǰȱ ǯǯǯȱǻŘŖŗŚǼȱȮȱ›˜ž³¨˜ȱŽȱšžŠ•’ŠŽȱŽȱ›¹œȱ ŸŠ›’ŽŠŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŒž•’ŸŠŠœȱ—˜ȱ—˜›ŽœŽȱŽȱ’—Šœȱ Ž›Š’œǯȱRevista Ciência AgrícolaǰȱŸ˜•ǯȱŗŘǰȱ —ǯȱŗǰȱ™ǯȱŗŝȬŘŖǯ ›Š˜ǰȱǯǯDzȱŽ›—ŠŽœǰȱǯǯȱǭȱŠŠ•ŽǰȱǯȱǻŘŖŖŘǼȱȮȱ’–ŽȱŠ—ȱœ•ŠȱŽŸŠ•žŠŽȱ‹¢ȱ•ŽŠȱŠ—Š•¢œ’œǰȱ–ŠŒ›˜—ž›’Ž—ȱ accumulation and export of sugarcane. Scientia Agricolaǰȱ Ÿ˜•ǯȱśşǰȱ —ǯȱŗǰȱ ™ǯȱŗŘşȬŗřśǯȱ ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯŗśşŖȦ ŖŗŖřȬşŖŗŜŘŖŖŘŖŖŖŗŖŖŖŗş

’•ŸŠǰȱ ǯǯ Dzȱ •’ŸŽ’›Šǰȱ ǯDzȱ •’ŸŽ’›Šǰȱ ǯǯǯDzȱ Š—˜ŸŠ—Ž••’ǰȱ ǯǯDzȱ ’•ŸŠǰȱǯǯDzȱ ˜Š›Žœǰȱǯǯǯȱ ǭȱ •Ž–Ž—Žǰȱ ǯǯǯȱǻŘŖŗŝŠǼȱȮȱŽŠȱŠ›ŽŠȱ˜ȱœžŠ›ŒŠ—ŽȱŸŠ›’Ž’ŽœȱŠ—ȱ‘Ž’›ȱŒ˜››Ž•Š’˜—ȱ ’‘ȱ‹’˜–Šœœȱ™›˜žŒ’Ÿ’¢ȱ’—ȱ‘›ŽŽȱ cycles. African Journal of Agricultural ResearchǰȱŸ˜•ǯȱŗŘǰȱ—ǯȱŝǰȱ™ǯȱŚśşȬŚŜŜǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯśŞşŝȦ ŘŖŗŜǯŗŗŞŗŝ ’•ŸŠǰȱǯǯ ǯDzȱ•’ŸŽ’›ŠǰȱǯȱǯDzȱ•’ŸŽ’›ŠǰȱǯǯDzȱ•’ŸŽ’›ŠǰȱǯǯǯDzȱŽ›Ž’›Šǰȱǯ ǯȱǭȱ˜žŽ’›Šǰȱǯ ǯǯȱǻŘŖŗŝ‹ǼȱȮȱ ž›’’˜—Š•ȱ’Š—˜œ’œȱ˜ȱœžŠ›ŒŠ—ŽȱŸŠ›’Ž’Žœȱ’—ȱŠȱŽ••˜ ȱ¡’œ˜•ȱž›’—ȱ‘›ŽŽȱŠ›’Œž•ž›Š•ȱœŽŠœ˜—œǯȱAfrican Journal of Agricultural ResearchǰȱŗŘǰȱ—ǯȱŗǰȱ™ǯȱśŖȬśŝǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯśŞşŝȦ ŘŖŗŜǯŗŗŞŜś ’•ŸŽ’›ŠǰȱǯǯǯDzȱ ’œǰȱǯDzȱŠž•ŠǰȱǯǯǯDzȱŠ›‹˜œŠǰȱǯ ǯǯDzȱ•’ŸŽ’›ŠǰȱǯǯȱŽȱǭȱŠ›˜œǰȱǯȱǻŘŖŗŘǼȱȮȱŠ™Š‹’•’ŠŽȱ ŽȱŽœŠ‹’•’ŠŽȱŽ—˜Ç™’ŒŠȱŽȱŽ—à’™˜œȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱ—˜ȱŽœŠ˜ȱŽȱ’—Šœȱ Ž›Š’œ. Ciência RuralǰȱŸ˜•ǯȱŚŘǰȱ —ǯȱŚǰȱ™ǯȱśŞŝȬśşřǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯŗśşŖȦŖŗŖřȬŞŚŝŞŘŖŗŘŖŖŖŚŖŖŖŖŘ Š’£ǰȱǯȱǭȱŽ’Ž›ǰȱǯȱǻŘŖŗřǼȱȮ Fisiologia vegetalȱśǯĶǯȱŽǯȱ˜›˜ȱ•Ž›Žǰȱ›–ŽǰȱŘŖŗřǯȱşśŚȱ™ǯ Šœœ˜ȱ ž—’˜›ǰȱǯǯDzȱŠ›šžŽœǰȱǯǯDzȱŠ–’•˜Ĵ’ǰȱǯȱǭȱ’•ŸŠǰȱǯȱǻŘŖŖŝǼȱȮȱ¡›Š³¨˜ȱŽȱŽ¡™˜›Š³¨˜ȱŽȱ–ŠŒ›˜—ž›’Ž—Žœȱ Ž–ȱŒ’—Œ˜ȱŸŠ›’ŽŠŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŒž•’ŸŠŠœȱ—Šȱ›Ž’¨˜ȱŒŽ—›˜Ȭ—˜›Žȱ˜ȱœŠ˜ȱŽȱ¨˜ȱŠž•˜ǯȱSTAB – Açúcar, Álcool e SubprodutosǰȱŸ˜•ǯȱŘśǰȱ™ǯȱřŞȬŚŘǯ Šœœ˜ȱ ž—’˜›ǰȱǯǯDzȱ’•ŸŠȱŽ˜ǰȱ ǯȱǯǰȱ’•ŸŠǰȱ ǯǯǯǰȱŠ›šžŽœǰȱǯǯȱǭȱŠ–’•˜Ĵ’ǰȱǯȱǻŘŖŗŗǼȱȮȱŒø–ž•˜ȱŽȱ–’Œ›˜—ž›’Ž—ŽœȱŽ–ȱŒ˜•–˜œȱŽȱ™Š•‘ŠŠȱŽȱŒ’—Œ˜ȱŒž•’ŸŠ›ŽœȱŽȱŒŠ—ŠȬŽȬŠ³øŒŠ›ȱŽȱŒ’Œ•˜ȱ™›ŽŒ˜ŒŽǯȱNucleusǰȱŸ˜•ǯȱŞǰȱ —ǯȱŗǰȱ™ǯȱřŝśȬřŞŚǯȱ‘Ĵ™DZȦȦ¡ǯ˜’ǯ˜›ȦŗŖǯřŝřŞȦ—žŒ•ŽžœǯŸŞ’ŗǯśřŝȱ Ž’¡Ž’›Šǰȱ ǯ ǯDzȱ ˜žœŠǰȱ ǯǯǯȱ ǭȱ ˜›—ã›Ž›ǰȱ ǯ ǯȱ ǻŘŖŗŚǼȱ Ȯȱ Žœ™˜œŠȱ Šȱ ŒŠ—ŠȬŽȬŠ³øŒŠ›ȱ Šȱ ˜œŽœȱ Žȱ àœ˜›˜ȱ ˜›—ŽŒ’Šœȱ™˜›ȱŽ›’•’£Š—Žȱ˜›Š—˜–’—Ž›Š•ǯȱBioscience JournalǰȱŸ˜•ǯȱřŖǰȱ—ǯȱŜǰȱ™ǯȱŗŝŘşȬŗŝřŜǯ

Silva et al., Yield and nutrients accumulation of sugarcane 423