Published in Scientific Papers. Series A. Agronomy, Vol. LXIII, Issue 2
Written by Atanas SEVOV, Adelina HARIZANOVA, Georgi STANCHEV, Lyubka KOLEVA-VALKOVA
Breeding programs related to alfalfa worldwide are aimed at creating varieties with high productivity, improved quality of green mass, resistance to diseases and pests, durability, rapid recovery after mowing and more. In the face of climate change, it is of great importance to use new, environmentally friendly methods to increase plant adaptability as well as the plant product quality. The role of nitrogen in agricultural production has always been one of the most important priorities of agronomic science, since obtaining good yields in practice is mainly related to providing plants with nitrogen. In this study, we investigated the effect of novel biostimulants on the activity of enzymes from nitrogen metabolism in alfalfa. Their application significantly improves plant metabolism, especially in conditions of drought stress. The results obtained are very important with respect to the green strategy in modern agriculture.
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