Efeito dos atributos de preparo de solo, adubação e material genético na produtividade de povoamentos de eucalipto

Abstract

The forest plantations are expanding, with the need to develop studies that aim to increase the productivity of forest stands. The objective of this present study was to evaluate the effect of soil preparation attributes (conventional, reduced and direct), fertilizer (chemical and organic) and cloned plants (two clonal hybrids) in eucalypt plantation productivity in the first two years. Two chapters were developed. Chapter I - soil preparation Effect, fertilization and genetic material in the initial development of eucalyptus, was performed two factorial scheme with four replications, showed that only the effect of tillage in the first year obtained differences, and conventional tillage higher productivity, the genetic material and fertilization showed no differences in height and diameter to the second year of age. Chapter II -Variability spatial and temporal diameter and height of eucalyptus stands under different soil tillage, fertilization and genetic material, which by means of geostatistics, the first year resulted in better development in conventional tillage, in the second year till and reduced had higher height values and conventional tillage resulted in greater diameter. Both clones and fertilizations showed similar developments.