Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 23 ISSUE 2
Written by Katerina CHURKOVA, Boryana CHURKOVA

During the period 2013-2015, boron, molybdenum and phosphorohumate and their impact on the economic analysis and ecological efficiency of the obtained fodder production were tested on natural grassland of Chrysopogon gryllus type. Based on a comparative evaluation of the main economic indicators of different types of fertilizers and dry matter yield per decare, it was found that foliar treatment of natural grassland of Chrysopogon gryllus type with boron and molybdenum humate had a positive effect on dry matter productivity.The imported molybdenum humate realized the highest revenues and gross profit and determined these two bioproducts as the most economically efficient for obtaining high yield and quality of fodder. The ecological effect of foliar treatment with biofertilizers significantly affects the floristic composition of the grassland, reducing the share of the main species Chrysopogon gryllus and motley grasses in the formed aboveground mass and increased the share of Agrostis capillaris and legume meadow grasses, such as Trifolium campestre and Lotus corniculatus.

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