Water-retaining long-acting sustained-release composite fertilizer containing catnip

Abstract

The invention relates to the field of composite fertilizers, and in particular to a water-retaining long-acting sustained-release composite fertilizer containing catnip. The fertilizer is prepared from the following raw materials in parts by weight: 10-15 parts of kieselguhr of 1250-2000 meshes, 5-6 parts of lime powder, 3-5 parts of zinc sulfate, 25-30 parts of urea, 8-10 parts of tricalcium phosphate, 1-2 parts of dry catnip powder, 2-4 parts of sugar calcium, 1-2 parts of manganese sulfate tetrahydrate, 10-12 parts of corn citric acid residue, 20-25 parts of ammonium phosphate, 2-4 parts of ferrous sulfate, 5-8 parts of calcium bicarbonate, 2-4 parts of konjak gulcomannan, 16-18 parts of waste mushroom roots, 8-10 parts of reed stems and leaves, 2-4 parts of potato starch, 12-15 parts of crylic acid, 1-3 parts of simethicone, 1-3 parts of Twain 80, 0.1-0.3 part of sodium bicarbonate, 0.1-0.2 part of ammonium persulfate and 4-5 parts of additives. The composite fertilizer is rich in variety and rich in organism organic matters, is capable of improving a soil environment and dually wrapping the nutrient components by using the kieselguhr and a sustained-release wrapping agent, is long-acting in fertilizer effect and has both capabilities of drought resistance and water retention; moreover, no toxic and harmful residues are left in the soil and the crops, and a high-yield and high-quality product is obtained.

Description

Technical field [0001] The invention relates to the field of compound fertilizers, in particular to a water-retaining long-acting slow-release compound fertilizer containing camphor grass. Background technique [0002] In modern agricultural production, compound fertilizers can be seen everywhere. It has the advantages of high nutrient content, low auxiliary components, high fertilizer utilization, and convenient storage and application. It plays an important role in promoting high and stable crops. Slow-release compound fertilizer is an important category of compound fertilizer, and it is also the research focus of the development of my country's chemical fertilizer industry. Its slow-release principle is to coat a thin layer of hydrophobic substances on the surface of fertilizer particles, thereby slowly releasing the internal nutrients to In the soil, nutrients are continuously supplied to crops, which effectively improves the utilization rate of fertilizers. However, the exis...

AI Technical Summary

Problems solved by technology

However, the existing slow-release compound fertilizers still have certain shortcomings, mainly in that the nutrient ratio is relatively fixed, and it is difficult to meet the different needs of various soils and various crops; the slow-release effect is not satisfactory, and does not match the growth needs of crops , thereby reducing fertilizer efficiency, affecting crop growth, resulting in reduced production and income