Abstract
The article presents the results of work aimed at developing a new type of organomineral fertilizer and effectiveness of its use in crop production. The usage of organic fertilizers based on chicken manure is an effective way to utilize organic waste. The quality parametres of fertilizers based on natural zeolite and chicken manure in various combinations made it possible to state that fertilizers with microbiological product Tamir were of the highest quality (variants 3-5). It was found that usage of zeolite as a sorbent together with a microbiological complex contributed to a significant decrease in concentration of micro elements in organic waste. The application of these fertilizers in spring rape crops promoted biometric parameters of plants, photosynthetic activity and, in general, the productivity of oilseeds. The highest yield was observed in the variants with application of these fertilizers at a dose of 30 t / ha, the average yield of which was 21.4 dt / ha, which provided an increase relative to the control by 7.4 dt / ha. The conducted agroecological experiments confirm that the proposed fertilizer can be used in agriculture, both for obtaining high yields of spring rape and for restoring soil fertility
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