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The content of nitrate or mineral nitrogen (Nmin = N-NO3 – + N-NH4 + ) in soil in autumn is recognized as the indicator of potential risk of N leaching during winter
The paper presents the findings of the experiments conducted on a clay loam gleyic Cambisol mical Research in 20072008. The tests were designed to establish the effects of the use of perennial grass...
The aim of this study is to evaluate the minimizing of mineral nitrogen fertilization through using humic acid (HA) and organic source [composted municipal solid waste (MSW)] with or without bioferti...
This investigation was planed to study the effect of minimizing the use of nitrogen fertilization in vineyards as 100% mineral N fertilization to only 50% mineral N and 50% organic i.e., (composted mu...

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