IMPACT OF TILLAGE, FERTILIZATION AND PREVIOUS CROP ON CHEMICAL PROPERTIES OF LUVISOL UNDER BARLEY FARMING SYSTEM

2010, 11 (3)   p. 245-253

VLADIMÍR ŠIMANSKÝ, ERIKA TOBIAŠOVÁ

Abstract

In this paper, we report on the results of our investigation into the effects of different tillage, fertilization and previous crop on the chemical properties of loamy soil under spring barley and winter barley. We observed an increase of humus quality. More marked changes were in CT (r = 0.663, P < 0.05) than in RT (0.648, P < 0.05) and N fertilization (r = 0.678, P < 0.05) and SB (r = 0.761, P < 0.01) as well. A higher amount of TOC positively affected on parameters of soil sorptive complex in CT as well as in N and in SM treatments. A higher amount of TOC positively effected the portion of Ca2+ under CT (r= 0.795, P < 0.05), but also increased exchangeable Na+ (r= 0.830, P < 0.05) and K+ (r= 0.881, P < 0.01) in RT and N treatments.

Keywords

soil tillage, fertilization, soil organic matter, exchangeable cations

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