Abstract
The article shows that the method of recycling liquid and solid organic substances obtained as a by-product during the production of biogas from organic waste and composting organic waste with the addition of liquid organic matter in the agroecosystem on ordinary chernozem in the Orenburg Oblast is effective. The standards for the application of liquid and solid organic substances were studied using an indicator culture. Data on the net primary productivity of the agroecosystem are presented. It was found that the reaction of the agroecosystem is more effective in the variant with liquid organic substances. Net primary productivity using the example of potatoes with a rate of application of liquid organic matter of 8 t/ha is 36,97% higher than with the background and application of solid organic matter, and amounted to 22,6 t/ha. They showed that the established standards for the utilization of liquid organic substances are 10 t/ha and solid organic substances are 5 t/ha.
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