efeito de doses crescentes de nitrogênio, fósforo e potássio sôbre a produção de amendoim em solos podzolizados de lins e marília effects of mineral fertilizers on peanut pod production
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ID: 195859
1970
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Abstract
Três experiências foram conduzidas no Estado de São Paulo, para estudar o efeito dos elementos fertilizantes essenciais sobre a produção de amendoim em solos Podzolizados de Lins e Marília. O fósforo aumentou apreciàvelmente a produção nas três experiências; o nitrogênio, somente em uma; o potássio, em nenhuma.
Three factorial experiments were designed to compare the effects of N-P-K fertilizers on peanut (Arachis hypogaea L.) pod production on a Podzolized (Lins and Marilia) soil in the State of São Paulo. Besides the untreated controls nitrogen, phophorus and potassium were tried at the levels: 30, 45 and 30 kg/ha and 60, 90 and 60 kg/ha of N, P2O5 and K2O respectively. An increase in the yield of peanut pods was associated with phosphorus in all experiments and with nitrogen in one out of three. Yield was depressed by potassium fertilizer in all experiments.
Three factorial experiments were designed to compare the effects of N-P-K fertilizers on peanut (Arachis hypogaea L.) pod production on a Podzolized (Lins and Marilia) soil in the State of São Paulo. Besides the untreated controls nitrogen, phophorus and potassium were tried at the levels: 30, 45 and 30 kg/ha and 60, 90 and 60 kg/ha of N, P2O5 and K2O respectively. An increase in the yield of peanut pods was associated with phosphorus in all experiments and with nitrogen in one out of three. Yield was depressed by potassium fertilizer in all experiments.
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tella1970bragantiaefeito
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| Authors | ;Romeu de Tella;Vicente Canecchio Filho;José Luiz Vasconcelos da Rocha;E. S. Freire;Toshio Igue |
| Journal | revista espanola de salud publica |
| Year | 1970 |
| DOI |
10.1590/S0006-87051970000100019
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