Cocktail effect of green manure in the recovery of soil fertility

Abstract

Soil management with green manure promotes numerous benefits to physical, chemical and
biological properties, decreasing the pollution in the soil by reducing the use of soluble sources
of nutrients as well as prioritize cycling of nutrients, a preponderant factor in the sustainability
of agriculture. The aim of the experiment was to evaluate changes in soil fertility promoted by
using green manures cocktail. The cocktail was composed by Clotalária, Lab-lab, Feijão de
porco, Girassol, Milheto, e Mucuna preta. The work was developed in property of grape producer,
occupying 1.6 ha with five species of adubadeiras plants. The cocktail promoted increased
levels of P, K, Ca, Mg and CTC, as well as significant increase in stock of organic matter