Desenvolvimento do capim vetiver cultivado em diferentes ambientes e adubado com esterco bovino.

Abstract

The aim of this work was to evaluate the development of vetiver grass plants (Chysopogn zizanioides) cultivated in PVC columns and fertilized with bovine manure under different environment conditions. The treatments were distributed in a completely randomized design, in a 5 x 2 factorial scheme, with three replications, totaling 30 experimental units, and consisting of five levels of organic fertilization using bovine manure (0, 10, 20, 30 and 40%), and two kinds of environments (free and protected with 80% opening shading screen). Plant height and number of sprouts were evaluated at 15, 30, 45 and 60 days after transplanting, and at the end of the experiment the plants were separated to determine the production of green mass and dry mass of shoot and root parts, and root length. The collected data was submitted to analysis of variance by the F test, and for comparison between means was used the Tukey test, from 5% probability and regression. The results showed that the absence of bovine manure contributed to the greater development of the vetiver grass root system. The 10% dose of bovine manure provided higher number of sprouts, shoot green mass, root green mass and root dry mass. The free environment provided a greater development of vetiver grass plants.