Adubação mineral e orgânica do cafeeiro
Data
1994-01
Autores
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Editor
Instituto Agronômico (IAC)
Resumo
Foram plantados, em um latossolo roxo da região de Ribeirão Preto e em um podzólico vermelho-amarelo orto da de Mococa, dois experimentos com cafeeiro Bourbon Vermelho. Os tratamentos com nitrogênio, fósforo, potássio e esterco constituíram um fatorial 24 em quadrado quase latino com quatro repetições. Foram analisados os dados de produção, obtidos em três períodos de quatro anos. O efeito do esterco foi significativo nos dois solos, sendo maior no latossolo roxo, enquanto o nitrogênio, também significativo em ambos, destacou-se no podzólico vermelho-amarelo orto. O potássio apresentou pequeno efeito somente no latossolo roxo, cuja análise de terra revelou menor teor do elemento.
The effect of manure and mineral fertilizers with nitrogen, phosphorus and potassium on coffee yield, was evaluated with a 24 factorial experiment, Bourbon Vermelho variety, conducted on a Latosolic B "Terra Roxa" at Ribeirão Preto, and on a Red Yellow Podzolic at Mococa, State of Sao Paulo, Brazil regions. Twelve years of grain productions were analised in three periods of four years each. The manure effect upon coffee yield was significant on both experiments and high on the Red Latosolic Soil. Nitrogen showed high effect over the production also on both experiments and was higher on the Red Yellow Podzolic Soil. The effect of potassium was small on the Latosolic and in the Red Yellow Podzolic Soil. Potassium did not show any effect due to high level of natural potassium of the soil.
The effect of manure and mineral fertilizers with nitrogen, phosphorus and potassium on coffee yield, was evaluated with a 24 factorial experiment, Bourbon Vermelho variety, conducted on a Latosolic B "Terra Roxa" at Ribeirão Preto, and on a Red Yellow Podzolic at Mococa, State of Sao Paulo, Brazil regions. Twelve years of grain productions were analised in three periods of four years each. The manure effect upon coffee yield was significant on both experiments and high on the Red Latosolic Soil. Nitrogen showed high effect over the production also on both experiments and was higher on the Red Yellow Podzolic Soil. The effect of potassium was small on the Latosolic and in the Red Yellow Podzolic Soil. Potassium did not show any effect due to high level of natural potassium of the soil.
Descrição
Palavras-chave
Bourbon Vermelho, Adubação mineral e orgânica
Citação
CERVELLINI, G. S.; IGUE, T. Adubação mineral e orgânica do cafeeiro. Bragantia, Campinas, v. 53, n. 1, p. 83-93, Jan./Jun. 1994.