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Estimation of soil nitrogen availability / Ocena pristupačnosti zemljišnog azota
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2003)
Our research has been made on brown forest soil that is used in long-term experiments. The soil we used had a certain crop rotation (wheat-corn) and had been fertilized according to a certain system for 30 years. In the ...
Determining fertilizer quantities required for wheat / Određivanje potrebnih količina đubriva za pšenicu
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2003)
In this experiment we used brown forest soil that has been used in long-term experiments, for 30 years, with increasing doses of introduced nitrogen fertilizer in variants. In order to determine the quantities of nitrogen ...