Abstract
Currently, the most effective way to dispose of bird droppings is to process it into organic fertilizer. The processed litter contains the basic micro and macro elements and amino acids in an easily accessible form for plants. Fertilizer from recycled litter is environmentally friendly and effective in neutralizing pathogenic microflora, larvae and helminth eggs, as well as weed seeds. In this work, we studied the modes of processing chicken manure at the Ark plant, the chemical composition of bird manure and organic fertilizer from it obtained in different ways. The effect of various doses of powder on seed germination, plant growth and development was assessed. It is shown that processing of bird droppings into powder increases the content of available macrocells for plants by two times, and also contributes to their longer preservation in organic fertilizer. The study indicates that pre-sowing soil treatment with powder in the optimal dose increases the germination rate of plants by 75 % compared with the control group.
Highlights
The production of a by-product exceeding the yield of meat and eggs by 2–4 times was, is and will be a characteristic feature of poultry farming
In Russia, more than 20 million tons of litter is formed per year [1, 2]
Protecting the environment from bird droppings is relevant for all poultry farms in Russia
Summary
The production of a by-product exceeding the yield of meat and eggs by 2–4 times was, is and will be a characteristic feature of poultry farming. Given the extent to which humanity destroys the environment, including the soils of agricultural land, the most correct, in our opinion, is the processing of birds' waste products into organic and organomineral fertilizers to increase field fertility. Of all types of organic fertilizers, granular bird droppings are considered to be the most valuable, since the nutrients of bird droppings in their effect on crop yields are practically equal to those in mineral fertilizers Their huge advantage is that they are in organic form, less washed out of the soil, entering it gradually and do not create a high concentration of salts [9, 10]. The purpose of this work is to study the effect of various doses of bird droppings powder on seed germination, plant growth and development
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