Cana-de-açúcar submetida á doses de polímeros sintéticos condicionadores de solo

Abstract

The low water availability in the soil for agricultural crops is a limiting factor in agricultural productivity. In this context, the use of soil conditioners polymer s, in some systems may allow edaphic and make the supply chain more competitive. The work was based on assessing the increase in sugarcane production by using soil polymers conditioner during planting, the variety RB 867515. The study took place in the field and in two growing seasons. The test was first deployed in the field of experimental Unoeste in December 2007 to May 2009 in Ultisol, arranged in randomized blocks with four treatments (0, 4, 8 and 12g of polymer soil conditioner, per meter of row) and five blocks. The second test was carried out at Fazenda Ibiúna in Lucélia - SP in August 2008 to August 2009 in Alfissol, arranged in a randomized block design with four treatments (0, 1.4, 2.8 and 4.2g soil polymer conditioner, per meter of row) and five blocks. The polymer conditioner provided greater number of tillers per meter, allowed a larger vegetative growth leading to a greater amount of trash. There is a positive correlation between doses of the polymer with the TRS by area.