Abstract
An experiment in soil columns was carried out at the Laboratory of Soil Mechanics and Use of Residues of the Federal Rural University of Pernambuco, with the objective to evaluate the effect of different levels of gypsum requirement according to method of Schoonover M-1. The experiment was planned in random blocks in a 2 x 6 factorial with 3 replications. The treatments consisted of two samples of saline-sodic soils (S1 and S2) and six levels of the gypsum requirement (25, 50, 75, 100, 125 and 150%). After application of the gypsum levels and leaching an increase in the permeability and reduction of electrical conductivity were observed and with the application of gypsum levels equivalent to 100, 125 and 150% of requirement, the correction of the sodicity of soil was observed.
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Schedule a callMore From: Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences
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