Economic efficiency of application of organic fertilizers with balanced content of trivalent chromium in the technology of spring wheat growing in the conditions of Western Forest-Steppe

O. Bunchak

Анотація


Trivalent chrome is gaining ever more attention in different countries of the world in the nutrition of plants, animals and people. The balanced supply of food and animal feed with trivalent chromium is real when growing crops on the soil rich in this element. Since scientific research on the production and use of organic fertilizers with the content of trivalent chromium in the technologies of growing crops in Ukraine is extremely small, and in the West Forest Steppe practically nobody executed, during 2011-2012 we developed the technology of production of organic fertilizers from the waste of leather production and the sedimentation of treatment plants by biological fermentation with a balanced content of Cr + 3 micronutrient and the technology of production of liquid organic fertilizer Biohrom by the method of cavitation.  The results of our research prove that the introduction of organic fertilizers Biofirms in a dose of 10 t / ha and Biohrom liquid organic fertilizer in a dose of 5 liters per hectare provide an increase in conditionally net income, profitability, cost reduction and the production of environmentally safe grains of spring wheat from content of the required amount of trivalent chromium. It was established that the introduction of a 10 ton / hectare organic fertilizer "Bioproferm" with a balanced content of tri-chromium and spraying of spring
wheat plants during vegetation with liquid organic fertilizer Biohrom in a dose of 5 liters per hectare conditionally net income was UAH 9,245. / ha or by 5650 UAH / ha more, compared to control, by 5140 UAH / ha more than the variant where they brought N120P80K80 and UAH 1547 / ha more to the variant where organic biofertilizers were introduced in a dose of 10 t / ha and sprayed plants of spring wheat during vegetation of liquids of organic fertilizer "Biohrom" a dose of 5 l / ha. The profitability level was 68.1% or 39.6% higher, compared to control. The introduction of organic fertilizer "Bioproperments" at a dose of 10 t / ha and Biohrom liquid organic fertilizer in a dose of 5 liters per hectare provided a reduction of the cost of grain of spring wheat by 696 UAH / t compared to the control and by 754 UAH / t compared to the variant , where they introduced mineral fertilizers in a dose of N120P80K80. We will continue the research on the effects of after-effects of organic fertilizers produced on the basis of the latest technology on the efficiency of growing the following crops in crop rotation.

Ключові слова


wheat wheat, organic fertilizers, cultivation technology, trivalent chrome, economic efficiency

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