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Modelagem para otimização da calagem e adubação na cultura de cana-de-açúcar. Author(s): FREIRE, F. J.; SILVA, F. C. da; CARVALHO, M. L. de; VENEGAS, V. H. A. O objetivo desse trabalho foi desenvolver um Sistema de Recomendação de Calagem e Adubação para cana-de-açúcar (SIRCA). O SIRCA calcula a demanda de nutrientes a partir da produtividade esperada e do... ... Repository: BDPA Publication year: 2022
How the type of dairy production system affects the nutrient balance from an environmental and economic perspective. Author(s): PALHARES, J. C. P.; CARRA, S. H. Z.; EBERT, L.; GIACOMELLO, C. P.; DRASTIG, K. The knowledge of nutrient flow in dairy farms has to be explored to find optimized strategies for efficient nutrient conversion to milk. Repository: BDPA Publication year: 2023
Nutrient contents in camu-camu plants (Myrciaria dubia(Kunth) McVaugh) fertirrigateds with different doses of nitrogen. Author(s): ABANTO-RODRIGUEZ, C.; CHAGAS, E. A.; SIQUEIRA, R. H. da S.; ARAÚJO, W. F.; ZBOROWSKI, L. G. C.; SOUZA, C. C. P.; SAKAZAKI, R. T.; MONTEIRO NETO, J. L. L.; SÁNCHEZ-CHOY, J. Repository: BDPA Publication year: 2018
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
Silicate agrominerals as nutrient sources and as soil conditioners for tropical agriculture. Author(s): MARTINS, E. de S.; SILVEIRA, C. A. P.; BAMBERG, A. L.; MARTINAZZO, R.; BERGMANN, M.; ANGÉLICA, R. S. Repository: BDPA Publication year: 2014
Estimating electrical conductivity and sodium concentration in soil solution under diferent soil salinity conditions in lysimeters. Author(s): COELHO, E. F.; SANTANA, J. A. do V.; VEIMROBER JUNIOR, L. A. dos A.; SANTANA JUNIOR, E. B. TDR technique has been used as a tool or monitoring soil electrical conductivity and ion concentration n the soil. The objective of this study was to valuate models for estimating soil solution sodium... ... Repository: BDPA Publication year: 2008
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
Soil water balance at diferent distances from a banana Pseudostem under drip irrigation by using TDR. Author(s): SILVA, A. J. P. da; COELHO, E. F.; MIRANDA, J. H. de Crop evapotranspiration (ETc) is the basis for calculation plant water needs. Various methods might be used for determining ETc such as the soil water balance that has the following components: water... ... Repository: BDPA Publication year: 2008
Metabolizable energy and metabolizability coefficients of moringa and bocaiuva for slow-growing broilers at different ages. Author(s): MACIE, V. A.; NASCIMENTO, K. R. de S.; KIEFER, C.; JULIANO, R. S.; LISITA, F. O.; SILVA, T. R. da; COPAT, L. L. P.; CHAVES, N. R. B.; FREITAS, H. B. de; ROSA, M. S. R. This study aimed to determine nutrient metabolizability coefficients and apparent metabolizable energy (AME) and nitrogen-corrected AME (AMEn) values of moringa leaf meal and bocaiuva pulp for slow-gr... ... Repository: BDPA Publication year: 2020
Enzymatic activity in cerrado soil under crop-livestock-forest integration system in the central region of Minas Gerais. Author(s): REIS, D. P.; VIANA, M. C. M.; SANTOS, K. K. B.; MELO, I. G.; OLIVEIRA-PAIVA, C. A.; GUIMARAES, L. J. M.; OLIVEIRA, M. C.; MARRIEL, I. E. Repository: BDPA Publication year: 2017

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