Efeitos do boro em cana-de-açúcar cultivada em alguns solos do município de Piracicaba: II - Cana-soca

Eefects of boron on sugarcane cultivated in some soils from Piracicaba county: II - first ratoon crop

NOTA

Efeitos do boro em cana-de-açúcar cultivada em alguns solos do município de Piracicaba. II — Cana-soca¹

Eefects of boron on sugarcane cultivated in some soils from Piracicaba county. II — first ratoon crop

M. O. C. do Brasil Sobrinho; A. Espironelo²; T. Igue²

SUMMARY

The effects of reaplication of boron and other micronutrients in first ratoon crop of sugarcane were studied both for cane and sugar production. The five field experiments were also utilized before for plant crop studies. The Ibitiruna, Sertãozinho, Pau d'Alho, Luiz de Queiroz and Guamium series were the soils utilized. The plots used in the plant crop study were divided in two parts and one of each was refertilized.

The reaplication of boron (four doses) and other micronutrients (Zn — ? doses and 2B + 2Zn + Fe + Cu + Mn + Mo, mixed) did not increase the cane and the sugar production on the first ratoon crop of sugarcane, var.

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Recebida para publicação em 12 de janeiro de 1976.

1

Pesquisa realizada com ajuda financeira da FAPESP.

2

Com bolsa de suplementação do C.N.Pq.

Datas de Publicação

• Publicação nesta coleção
  11 Mar 2009
• Data do Fascículo
  1976