The impact of organic fertilisers based on poultry manure on fodder crop productivity and soil microbiological parameters

Abstract

The creation of optimum plant nutrition plays a significant role in increasing farming efficiency. Fertilisers are one of the fastest ways to intensify the cultivation technology of all crops. The application of organic fertilisers derived from chicken manure changes the soil’s nutrient regime and nitrification capacity, its biological activity and improves physical properties. The study aims to identify the comparative evaluation of organic fertilisers based on chicken manure and establish their effect on the productivity of fodder crops (soybean and oats) and soil biological activity. The authors also determined the effectiveness of using poultry manure as an organic fertiliser to preserve soil bioresources. New organic fertilisers based on chicken manure were tested in work, obtained using a cavitation-vortex heat generator by processing semi-dry manure. Their influence on growth, development and biometric indicators of oat and soybean plants, phytosanitary state of crops, yield and grain quality has been revealed. The effect of organic fertilisers from chicken manure on microbiological indicators of soil has been determined. The increase of the oat grain yield was from 0.4 to 0.63 tons/ hectare, or 17% of the control. The output of soybean grain increased significantly by 0.18 to 0.22 t/ha. There was a slight increase in the protein content of seeds (by 1.2-2.6%). It was found that the fertilisers improved the structural indicators of oat and soybean plants. Thus, the weight of grains in oats increased by 18-23%; the number of grains in the panicle also increased by 13%. As for soybean, the number of beans on a plant grown by 14-23%; the weight of grains per plant increased by 16-19%; safety of plants for harvesting increased by 5-7%. Fertilisers based on chicken manure help improve the soil’s microbiological characteristics, which grows the availability of nutrients to plants.