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Author(s): OLIVEIRA, I. P.; BRANDSTETTER, E. V.; OLIVEIRA, R. M.; THUNG, M.; AIDAR, H.; KLUTHCOUSKI, J. This research was carried out with the objective to know the effects of corn, rice, sorghum, soybean and brachiaria residues, on P and Zn concentrations of bean leaf harvested in areas cultivated with... ... |
Author(s): OLIVEIRA, I. P.; BRANDSTETTER, E. V.; OLIVEIRA, R. M.; THUNG, M.; AIDAR, H.; KLUTHCOUSKI, J. This papper was written to alert about the use of corn, rice, sorghum, soybean and brachiaria residues and discuss their effects on iron and manganese concentrations in bean leaf harvested in areas cu... ... |
Author(s): BAYER, C.; GOMES, J.; VIEIRA, F. C. B; ZANATTA, J. A.; PICCOLO, M. de C.; DIECKOW, J. Methane (CH4) emission from agricultural soils increases dramatically as a result of deleterious effect of soil disturbance and nitrogen fertilization on methanotrophic organisms; however, few studies... ... |
Author(s): NOGUEIRA, M. A.; TELLES, T. S.; FAGOTTI, D. dos S. L.; BRITO, O. R.; PRETE, C. E. C.; GUIMARÃES, M. de F. ABSTRACT: We assessed the effect of different winter crops on indicators of soil quality related to C and N cycling and C fractions in a Rhodic Kandiudult under no-till system at implantation, during... ... |
Author(s): ENSINAS, S. C.; SERRA, A. P.; MARCHETTI, M. E.; SILVA, E. F. da; PRADO, E. A. F. do; LOURENTE, E. R. P.; ALTOMAR, P. H.; POTRICH, D. C.; MARTINEZ, M. A.; CONRAD, V. do A.; JESUS, M. V.; EL KADRI, T. C. The purpose of this research was to identify the soil organic matter (SOM) fractions changes in a crop rotation system under no-till system (NTS). This research was carried out from October 2010 to Fe... ... |
Author(s): BERNARDI, A. C. C.; GIMENEZ, L. M.; SILVA, C. A.; MACHADO, P. L. O. A. Variable rate application of fertilizer has the potential to improve nutrient use efficiency, improve economic returns, and reduce negative environmental impacts. The objective of this study was to ev... ... |
Author(s): CONTE, E. D.; CONCEIÇÃO, M. M. da; BUENO, J. A. S.; SCHENKEL, V. O.; MARCHIORETTO, L. de R.; GEBLER, L. The aim of the experiment is to evaluate the physical and chemical effects caused on the properties of red latosol containing high levels of organic matter in the aftermath of 40 months after surface... ... |
Author(s): MARTINS, A. L. da S.; HERNANI, L. C.; SCHULER, A. E. No-tillage (NT) system comprises a set of technological processes aimed at exploring farming systems while promoting soil conservation management. Its main principles are: leaving soil undisturbed exc... ... |
Author(s): BARTZ, M. L.; BARTZ, H. A.; CRUZ, L. A.; DERPSCH, R. W.; BUNK, A.; BROWN, G. G.; JAMES, S. W.
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