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Muraoka, T.; Victoria, R.L.; Oliveira, J.P.; Boaretto, A.E.
Proceedings of the Regional Workshop on Nuclear Techniques in Crop Production1984
Proceedings of the Regional Workshop on Nuclear Techniques in Crop Production1984
AbstractAbstract
[en] The effects of nitrogen applied to the soil (as ammonium sulphate and urea) and foliar application of urea supplementing or not the soil application, on bean yield and nitrogen utilization are studied in a cerrado soil. Labelled ammonium sulphate is applied at the rate of 20Kg N/ha at seeding or 15 or 25 days after seeding and 40 Kg N/ha at seeding or in two different applications. Labelled urea is applied at the rate of 20kg N/ha at seeding and 40 Kg N/ha splitted. Foliar application is done at 15,22, 29,36 and 45 days after seeding, with 2% urea solution labelled with 10% 15N. (M.A.C.)
[pt]
Realiza-se estudo em solo de cerrado. Avaliam-se os efeitos do nitrogenio aplicado no solo na forma de sulfato de amonio (20 Kg N/ha, na semeadura, 15 ou 25 dias apos e 40 Kg N/ha, toda dose na semeadura ou parcelada) e ureia (20Kg N/ha, na semeadura e 40 Kg N/ha , parcelada) e foliar com ureia, suplementando ou nao a aplicacao no solo na producao de feijao e aproveitamento do nitrogenio. Realiza-se adubacao foliar aos 15, 22, 29, 36 e 45 dias apos a semeadura, com solucao 2% de ureia 15N. (M.A.C.)Original Title
Efeitos da aplicacao foliar de ureia e da adubacao no solo de sulfato de amonio e ureia na producao e aproveitamento do N pelo feijoeiro (Phaseolus vulgaris L.)
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Sao Paulo Univ. (Brazil); Centro de Energia Nuclear na Agricultura, Piracicaba (Brazil); 275 p; 1984; p. 211-216; Regional Workshop on Nuclear Techniques in Crop Production; Piracicaba, SP (Brazil); 19-23 Nov 1984
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Miscellaneous
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Conference
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