Differential porosity of rendzina and water stability of its aggregates in various cultivation systems
Pranagal, J.(Akademia Rolnicza, Lublin (Poland). Inst. Gleboznawstwa i Ksztaltowania Srodowiska Przyrodniczego)
A long-term field experiment was situated on mixed chernozemic rendzina. The experiment involved three systems of soil cultivation. The research for the present work aimed at a comparison of macro-, meso-, and micropores as well as of the structural aggregates resistant to the washing-away effect of water in rendzina under the classic-plough cultivation and the reduced cultivations. Both the sites under no-tillage cultivation and the ones under direct sowing showed minimal, but adverse, changes in the content of the analysed pore groups
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