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Author(s): OLIVEIRA, G. F. de; MAFRA, A. L.; CORREA, J. C.; HENTZ, P.; CECHETTO, M.; ROTERS, D. F.; PRAZERES, M. S.; ANDOGNINI, J. Abstract: The use of organic fertilizers from pig slurry and poultry litter can increase soil organic carbon and crop productivity. This study aimed to evaluate soil organic carbon fractions and corn... ... |
Chemical speciation of hexavalent chromium in organic fertilizer by LC-ICP-MS and spectrophotometry. Author(s): SÁ, I. P.; BANHOS, S.; ANDRADE, M. S.; NHAMUE, P. F.; NOGUEIRA, A. R. de A. Normative Instruction n. 7 of 04/12/2016 of the Ministry of Agriculture, Livestock and Food Supply (MAPA) defines the maximum values of contaminants allowed in organic fertilizers and soil conditioner... ... |
Author(s): MARCHI, E. C. S.; MARCHI, G.; SILVA, C. A.; ALVARENGA, M. A. R. Alface é considerada a principal hortaliça folhosa no Brasil.Grandes quantidades de fertilizantes minerais e orgânicos são aplicados aos solos durante o seu cultivo. Existe uma necessidade de se ter m... ... |
Author(s): MARCHI, E. C. S.; MARCHI, G.; SILVA, C. A. The aim of this work was to organic fertilization, liming, and levels of soil conditioner composed by humic and fulvic acids on the characteristics and nutrition of "iceberg" lettuce. The experimental... ... |
Author(s): POMPEU, R. C. F. F.; TONUCCI, R. G.; BUENO, L. G.; CRUZ, G. dos S. da; MARANGUAPE, J. S.; ANDRADE, H. A. F. de; SOUZA, H. A. de Abstract: Improving soil fertility with organic sources is crucial, particularly in degraded regions. Organic fertilizers, when integrated into systems, provide cost-effective solutions. This study ai... ... |
Author(s): MUMBACH, G. L.; GATIBONI, L. C.; DE BONA, F. D.; SCHMITT, D. E.; DALL’ORSOLETTADE, D. J.; GABRIEL, C. A.; BONFADA, E. B. The organomineral fertilizers can release organic compounds during their solubilization, and those compounds can affect the plant growth. The aim of this study was to evaluate the initial development... ... |
Author(s): OLIVEIRA, G. F. de; MAFRA, A. L.; CORREA, J. C.; HENTZ, P.; CECHETTO, M. Abstract: Application of organic fertilizers of animal origin can increase organic carbon in the soil and increase its content in macroaggregates. This study aimed to evaluate carbon contents and frac... ... |
Author(s): SÁ, I. P. de; SOUZA, G. B. de; NOGUEIRA, A. R. de A. Brazilian and EU legislation establishes 2 mg kg?1 as the maximum limit of Cr(VI) in organic fertilizers. A procedure involving chromium speciation was developed. With this approach, the interference... ... |
Author(s): INACIO, C. de T.; CABALLERO, S. S. U.; CHALK, P. M. 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... ... |
Author(s): OLIVEIRA, J.; LAFORET, M. R. C.; PRADO, R. B.; BENITES, V. de M.; POLIDORO, J. C.; FREIRE, E. The aim of this work is to identify producers of organic-mineral fertilizers in Brazil and analyze the characteristics of the manufactured products. |
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