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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
Analysis of Macronutrients in Soil Using Impedimetric Multisensor Arrays. Author(s): BRAUNGER, M. L.; POPOLIN NETO, M.; KIRSANOV, D.; FIER, I.; AMARAL, L. R.; SHIMIZU, F. M.; CORREA, D. S.; PAULOVICH, F. V.; LEGIN, A.; OLIVEIRA JR., O. N.; RIUL JR, A. ABSTRACT: The need to increase food production to address the world population growth can only be fulfilled with precision agriculture strategies to increase crop yield with minimal expansion of the c... ... Repository: BDPA Publication year: 2024
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

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