Method and application for preparing composite inoculant by electromagnetic strengthening

Abstract

The invention discloses a method for preparing a composite inoculant by electromagnetic strengthening. According to the method, livestock and poultry excrement, nano iron and nano carbon are uniformlymixed according to a mass ratio of (35-45):1:1, the pH value of the mixture is adjusted to be 6-9, and the carbon-nitrogen ratio is adjusted to be 20-35; then a hollow electrode is placed in the mixture, external voltage is applied by the hollow electrode and air is introduced at the same time, a magnetic field is applied to the mixture through a magnetic field generator, and aerobic fermentationis carried out on the mixture under action of an electric field and the magnetic field, so that growth and activity of microorganisms capable of adapting to electromagnetic strengthening in compost can be strengthened; and after the fermentation is finished, the fermentation product is the composite inoculants. The composite inoculant prepared by the method disclosed by the invention has high microbial activity; and after the composite inoculant is used, the compost can be rapidly decomposed, a process of converting organic matter into humus is accelerated, and the aerobic composting period is greatly reduced.

Description

technical field [0001] The invention belongs to the field of resource utilization of animal husbandry waste, and in particular relates to a method for preparing a compound inoculant by electromagnetic strengthening and its application in treating solid waste produced by livestock and poultry breeding. Background technique [0002] With the development of the livestock and poultry breeding industry and the implementation of the "Beautiful Village" project, intensive and large-scale livestock and poultry breeding has become an inevitable trend of the livestock and poultry breeding industry. However, due to the rapid development of the livestock and poultry breeding industry and the immaturity of the supporting waste treatment technology, if the livestock and poultry manure cannot be treated in a reasonable intensive and green manner when used as an organic fertilizer source, it is easy to cause non-point sources centered on livestock and poultry farms. Pollution is the most im...

AI Technical Summary

Problems solved by technology

Its decomposing agent produces a large amount of cellulase, hemicellulase and protease, which can quickly degrade cow dung into simple inorganic nitrogen and carbon sources. After fermentation, it can be directly applied to the soil. This compound bacterial agent is highly targeted. However, the proportioning range of each single bacterial agent is small, and the applicable objects and conditions are relatively limited; another example is the microbial bacterial agent for composting livestock and poultry manure invented by Beijing Agricultural College. It is maintained for a long time and quickly humifies, which is suitable for the mixed treatment of livestock and poultry manure and agricultural and forestry waste; but in this method, the target bacterial agent is directly added to the pile instead of natural selection in the natural fermentation process of the pile fungi, and it is difficult to determine the activity of the fungi at each stage