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Effect of potassium sources and rates on arabica coffee yield, nutrition, and macronutrient export
(Revista Brasileira de Ciência do Solo, 2014-10-01) [Artigo]
The use of potassium (K) rock powder can be an alternative for K supply of crops. Thus, to reduce K fertilizer imports from abroad, possibilities of extracting this nutrient from Brazilian rocks are being studied. The ...
The effect of filter cakes enriched with soluble phosphorus used as a fertilizer on the sugarcane ratoons
(Acta Scientiarum. Agronomy, 2014-09-01) [Artigo]
The objective of this work was to evaluate the effect of fertilization with filter cakes enriched with soluble phosphate on sugarcane ratoons. The experiment was performed from November 2007 to December 2009 at Presidente ...
Adubação silicatada no sulco e nitrogenada em cobertura no arroz de sequeiro e irrigado por aspersão
(Bioscience Journal, 2014-01-01) [Artigo]
The objective of this work was to evaluate the effects of silicon application adjusted with nitrogen fertilization via top-dressing on grain productivity, the silicon contents of the soil, in the plant tissue and nitrogen ...
Intercropping soybean and palisade grass for enhanced land use efficiency and revenue in a no till system
(European Journal of Agronomy, 2014-08-01) [Artigo]
Integrated no-till crop and livestock production systems may help rejuvenate degraded pastures, increase land use efficiency (LUE), and increase enterprise revenue. Our objectives were to evaluate: (1) planting date effects ...
Atividade da enzima nitrato redutase em cultivares de arroz de terras altas
(Agrarian, 2014) [Artigo]
The cultivation of upland rice seems to be, among the major crops, the least adapted to the notillage system (NTS). One of the reasons attributed to this lower adaptation to NTS would be the low activity of the nitrate ...