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Soil fertility, mineral nitrogen and microbial biomass in upland soils of the Central Amazon under different plant covers. Author(s): MOREIRA, A.; FAGERIA, N. K. Amazon is the largest State of Brazil and major area of the State is covered by a largest tropical rainforest of the world. Most soils of the Amazon region soils are characterized as acidic and infert... ... Repository: BDPA Publication year: 2009
Nitrogen sources on agronomic traits in carioca common bean lines developed under mineral nitrogen fertilization. Author(s): DIAS, P. A. S.; MELO, P. G. S.; FERREIRA, E. P. de B.; MELO, L. C.; SOUZA, T. L. P. O. de; FARIA, L. C. de; ALMEIDA, V. M. de; PEREIRA, H. S. Despite the importance of symbiotic nitrogen fixation (SNF) as a nitrogen source for leguminous plants, there are few reports of common bean breeding programs aiming at efficiency in SNF. This study a... ... Repository: BDPA Publication year: 2024
Clay minerals in the topics: improving nitrogen fertilizer efficiency. Author(s): BERNARDI, A. C. de C.; POLIDORO, J. C.; MONTE, M. B. de M.; PEREIRA, E. I.; OLIVEIRA, C. R. de; RAMESH, K. Tropical soils require liming and a balanced nutrient supply to ensure high crop yield and quality. An adequate agronomic nutrient management involves balanced nutrition and fertilizers are the key fa... ... Repository: BDPA Publication year: 2015
The use of clay minerals to improve nitrogen fertilizer efficiency . Author(s): BERNARDI, A. C. de C.; POLIDORO, J. C.; MONTE, M. B. M.; PEREIRA, E. I.; OLIVEIRA, C. R. de Repository: BDPA Publication year: 2014
Soybean growth affected by seeding rate and mineral nitrogen. Author(s): WERNER, F.; BALBINOT JUNIOR, A. A.; FERREIRA, A. S.; SILVA, M. A. de A. e; DEBIASI, H.; FRANCHINI, J. C. ABSTRACT: This study aimed to evaluate the effect of seeding rates and nitrogen (N) fertilization on plant growth in soybean cultivar with indeterminate growth habit. Two experiments were conducted in... ... Repository: BDPA Publication year: 2016
Mineral-nitrogen supplementation to finishing Nellore steers in deferred pasture. Author(s): ÍTAVO, L. C. V.; DIAS, A. M.; ÍTAVO, C. C. B. F.; FRANCO, G. L.; MORAIS, M. da G.; SOUZA, A. R. D. L.; NOGUEIRA, E.; MATEUS, R. G.; ARAUJO, H. S.; MORAES, G. J. de; COSTA, M. C. M. da; GUIMARÃES-INÁCIO, A.; NIWA, M. V. G. The objective of this study was to evaluate the effects of two protein levels in mineral-protein-energy supplements on the productivity and economic performance of Nellore steers. Ninety animals weigh... ... Repository: BDPA Publication year: 2017
Mineralization of nitrogen and carbon from organic compost from animal production waste. Author(s): ARAÚJO, M. D. M.; FEITOSA, M. M.; PRIMO, A. C. A.; TANIGUCHI, C. A. K.; SOUZA, H. A. de Elucidating the mineralization of organic composts makes it possible to understand the release of nutrients to plants. The objective of this study was to evaluate the mineralization of nitrogen (N) an... ... Repository: BDPA Publication year: 2020
Nitrogen fluxes from irrigated common-bean as affected by mulching and mineral fertilization. Author(s): CARVALHO, M. T. de M.; MADARI, B. E.; LEAL, W. G. de O.; COSTA, A. R. da; MACHADO, P. L. O. de A.; SILVEIRA, P. M. da; MOREIRA, J. A. A.; HEINEMANN, A. B. The objective of this work was to measure the fluxes of N2O‑N and NH3‑N throughout the growing season of irrigated common‑bean (Phaseolus vulgaris), as affected by mulching and miner... ... Repository: BDPA Publication year: 2013
Nitrogen management effects on soil mineral nitrogen, plant nutrition and yield of super early cycle common bean genotypes. Author(s): NASCENTE, A. S.; CARVALHO, M. da C. S.; MELO, L. C.; ROSA, P. H. This study was conducted to measure the effects of the timing of nitrogen fertilization (NF) on soil N-NH4 + and N-NO3 -, macronutrient contents in the leaves and grains, and the grain yield of super... ... Repository: BDPA Publication year: 2017
Production and disease resistance of elite black bean lines previously selected using mineral nitrogen fertilization cultivated with natural versus artificial nitrogen supplementation. Author(s): DIAS, P. A. S.; MELO, P. G. S.; MELO, L. C.; SOUZA, T. L. P. O.; FARIA, L. C. de; FERREIRA, E. P. B.; PEREIRA, H. S. Nitrogen (N) is the most important soil nutrient for common beans; the main sources are mineral N fertilizers and symbiotic N fixation (SNF). The common bean (Phaseolus vulgaris) is a N fixing species... ... Repository: BDPA Publication year: 2020

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