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Comparison of 15N isotope methods to determine the recovery efficiency of nitrogen from green manure. Author(s): ARAUJO, E. da S.; URQUIAGA, S.; GUERRA, J. G. M.; ROUWS, J. R. C.; ESPINDOLA, J. A. A. The objective of this work was to compare three methods of 15N isotope application to the soil in order to determine the recovery efficiency of nitrogen derived from green manure by corn (Zea mays). T... ... Repository: BDPA Publication year: 2019
Nitrogen and carbon isotope composition of organic Fertilizers. Synthetic (e.g. urea) and organic fertilizers (e.g. compost) differed markedly in N isotope composition and the greater the difference between organic and synthetic fertilizer the more robust will be... ... Repository: BDPA Publication year: 2013
Seeds enriched with phosphorus and molybdenium improve the contribution of biological nitrogen fixation to common bean as estimatede by 15N isotope dilution. Author(s): ALVES, B. J. R. Repository: BDPA Publication year: 2010
Annual and residual urea nitrogen contribution to the nutrition of peach trees (Prunus persica L.) grown under subtropical climate. Nitrogen (N) fertilizers such as urea are applied to peach orchards worldwide whenever the soil cannot meet plants? N demand. However, the actual nutritional contribution of different N supply modes a... ... Repository: BDPA Publication year: 2021
Recuperação no sistema solo-planta de nitrogênio derivado da adubação verde aplicada à cultura do repolho. O objetivo deste trabalho foi determinar a eficiência de recuperação, no sistema solo-planta, do nitrogênio derivado da adubação verde aplicada à cultura de repolho (Brassica oleracea). O experimento... ... Repository: BDPA Publication year: 2011
Destino do nitrogênio em videiras "Chardonnay" e "Resling Renano" quando aplicado no inchamento das gemas. RESUMO - No Rio Grande do Sul, o teor de N na folha inteira ou pecíolo e a expectativa de produção têm sido usados tanto para a tomada de decisão quanto no estabelecimento da dose de N a ser aplicada... ... Repository: BDPA Publication year: 2006
Origin of organic matter and quantity of transported material from Jaguari river, SP and MG, Brazil. Author(s): FIGUEIREDO, R. de O. The objective was to investigate the origin of the organic matter of the sediment and the particulate material in the Jaguari River, under the influence of different land uses. The basin, a few decade... ... Repository: BDPA Publication year: 2017
Potencial produtivo de três variedades de cana-de-açúcar em Argissolo com baixa disponibilidade de N e sem adubação nitrogenada. Author(s): ALVES, B. J. R.; URQUIAGA, S.; BODDEY, R. M. Repository: BDPA Publication year: 2020
Potencial produtivo de dez genótipos de capim-elefante em Argissolo com baixa disponibilidade de N e sem adubação nitrogenada. Author(s): URQUIAGA, S. Repository: BDPA Publication year: 2021
Potencial da fixação biológica de nitrogênio em áreas de alta produtividade de soja no Brasil. Author(s): ALVES, B. J. R.; JANTALIA, C. P.; ZILLI, J. E.; BODDEY, R. M.; URQUIAGA, S. Repository: BDPA Publication year: 2020

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