The use of chemical fertilizers is one of the most important causes of environmental pollution. The reduction of nutrient losses can be achieved using an alternative fertilization system, a system that includes foliar fertilization. The paper presents experiment results obtained into the greenhouse applying three new ranges ofnon-conventional foliar fertilizers. These fertilizers contain protein hydrolysates and macro-and micronutrients with the role to stimulate the plant metabolism.On chernozem soil, their application to maize (H Oriente, HS Talman) ensured important yield increases of dry matter and had a positive effect on nutrient absorption and uptake in the tested plants.
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