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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
Changes in soil carbon, nitrogen, and phosphorus due to land-use changes in Brazil. Author(s): GROPPO, J. D.; LINS, S. R. M.; CAMARGO, P. B.; ASSAD, E. D.; PINTO, H. S.; MARTINS, S. C.; SALGADO, P. R.; EVANGELISTA, B.; VASCONCELLOS, E.; SANO, E. E.; PAVÃO, E.; LUNA, R.; MARTINELLI, L. A. Abstract. In this paper, soil carbon, nitrogen and phosphorus concentrations and stocks were investigated in agricultural and natural areas in 17 plot-level paired sites and in a regional survey encom... ... Repository: BDPA Publication year: 2015
Relation of pedoenvironments with forms of nitrogen and phosphorus in semiarid soils. Author(s): FELIX, V. J. L.; FELIX, E. dos S.; DIAS, B. de O.; SOUSA, S. M. S. das C; FRAGA, V. da S.; ARAUJO FILHO, J. C. de There are few studies related to the influence of the climatic gradient, mainly rainfall, on N and P dynamics in soils of the semiarid region of Brazil, being this information primordial for the plann... ... Repository: BDPA Publication year: 2019
Carbon and nitrogen stocks in soil under different landscape units at the Pantanal ecosystem, Mato Grosso do Sul, Brazil. Author(s): CARDOSO, E. L.; FERNANDES, F. A.; FERNANDES, A. H. B. M.; SANTOS, S. A. This study aimed to evaluate the soil carbon and nitrogen storage under different landscape units in the Pantanal ecosystem. Repository: BDPA Publication year: 2016
Cover Crops and Nitrogen Fertilization Effects on Nitrogen Soil Fractions under Corn Cultivation in a No-Tillage System. Author(s): VERAS, M. de S.; RAMOS, M. L. G.; OLIVEIRA, D. N. S.; FIGUEIREDO, C. C. de; CARVALHO, A. M. de; PULROLNIK, K.; SOUZA, K. W. de ABSTRACT: The use of cover crops has recently increased and represents an essential practice for the sustainability of no-tillage systems in the Cerrado region. However, there is little information on... ... Repository: BDPA Publication year: 2016
Synthetic biology toolbox for nitrogen-fixing soil microbes. Author(s): VENKATARAMAN, M.; YN?IGEZ-GUTIERREZ, A.; INFANTE, V.; MACINTYRE, A.; FERNANDES JUNIOR, P. I.; ANÉ, J.-M.; PFLEGER, B. The soil environment adjacent to plant roots, termed the rhizosphere, is home to a wide variety of microorganisms that can significantly affect the physiology of nearby plants. Microbes in the rhizosp... ... Repository: BDPA Publication year: 2023
Soil solution and plant nitrogen on irrigated rice under controlled release nitrogen fertilizers. Author(s): VEÇOZZI, T. A.; SOUSA, R. O. de; SCIVITTARO, W. B.; WEINERT, C.; TARRILLO, V. R. C. Repository: BDPA Publication year: 2018
Effect of nitrogen fertilization on soil microbial biomass in an Oxisol cultivated with irrigated barley in the Brazilian Cerrado. Author(s): DINIZ, L. T.; RAMOS, M. L. G.; RIBEIRO JUNIOR, W. Q.; CRUZ, A. F.; FRANCA, L. V. de; DINIZ, B. T.; AMABILE, R. F. Abstract:The aim of this study was to evaluate the effect of different nitrogen doses and five period of sample collection, on soil microbial biomass - nitrogen (SMB-N), total nitrogen (total N) and p... ... Repository: BDPA Publication year: 2016
Comparison of total nitrogen methods applied for histosols and soil horizons with high organic matter content. Author(s): PEREIRA, M. G.; ESPINDULA JÚNIOR, A.; VALLADARES, G. S.; ANJOS, L. H. C. DOS; BENITES, V. de M.; SCHULTZ, N. This study was carried out to correlate total nitrogen analyzed by two different methods: Kjeldahl (wet oxidation) and Perkin-Elmer 2.400 Series II?CHN Mode (dry oxidation or combustion) in Histosols... ... Repository: BDPA Publication year: 2006
Carbon and nitrogen soil in different management of long term pastures in the region of Mata Atlantica - Brazil. Author(s): MIORANZA, M.; CORDEIRO, R. C.; RODRIGUES, R. de A. R.; BALIEIRO, F. de C.; FONTANA, A.; DONAGEMMA, G. K.; SANTOS, M. L.; VALLE, T. R. de S.; OLIVEIRA, P. A. D. de The objective of this work was to determine the carbon and nitrogen content and soil content in pasture areas under different managements. Repository: BDPA Publication year: 2019

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