Slow-release and long-acting composite fertilizer and preparation method thereof

Abstract

The invention relates to a slow-release and long-acting composite fertilizer. The composite fertilizer is prepared from, by weight, 5-10 parts of Lactobacillus plantarum, 5-10 parts of Geotrichum candidum, 5-10 parts of microzyme, 5-10 parts of a microbial inoculum, 80-120 parts of straws, 30-50 parts of bagasse, 30-50 parts of rice husk, 30-50 parts of mushroom fungus residues, 30-50 parts of animal night soil, 30-50 parts of water, 30-50 parts of a modified carrier, 0.5-1 part of a water retaining agent, 3-6 parts of gelatin, 0.5-3 parts of beta-cyclodextrin, 3-5 parts of alkyl glycoside, 0.5-2 parts of a composite enzyme preparation, 0.5-1 part of citric acid, 5-10 parts of potassium fulvate powder, 5-10 parts of ammonium molybdate, 5-10 parts of urea phosphate, 5-10 parts of ferrous sulfate, 3-5 parts of zinc sulfate heptahydrate, 3-5 parts of sodium borate, 3-5 parts of sorbitan fatty acid ester and 1-3 parts of N-(n-butyl)thiophosphoric triamide. The composite fertilizer has a coating structure, so the fertilizer effect is lasting and controllable, and the utilization rate of nutrient elements is high.

Description

technical field [0001] The invention belongs to the field of microbial fertilizers, and in particular relates to a slow-release long-acting compound fertilizer produced by using livestock and poultry manure and straw and a preparation method thereof. Background technique [0002] Chemical fertilizers, mainly containing nitrogen, phosphorus, and potassium elements, supplement the lost nutrients for the soil, thereby increasing the yield of crops. However, with the frequent and single use of chemical fertilizers, it has an adverse impact on the soil environment. The soil lacks sufficient nutrients. Under the condition of organic matter, the soil aggregate structure is difficult to form, and the adhesion between soil particles is weakened, which reduces the water retention capacity of the soil. When the soil cannot retain sufficient moisture, even high-quality fertilizers are not easy to release nutrients under favorable conditions. In order to solve the problems caused by the...

AI Technical Summary

Problems solved by technology

To improve the environment and develop ecological agriculture, there is an urgent need to improve planting technology, completely change the past practice of relying on a large number of chemical fertilizers and pesticides to increase crop yields and produce high-volume and low-quality products, and strictly limit the use of pesticides and chemical fertilizers