A kind of soybean foliar fertilizer for increasing flowers and protecting pods and its preparation method and application

Abstract

The invention provides a soybean foliar fertilizer for increasing flowers and preserving pods, which includes the soybean foliar fertilizer for flowering and pod setting stages. Foliar fertilizer at flowering stage includes: 100 parts by mass, 10 parts of humic acid; 10 parts of wood vinegar; 18-22 parts of urea; 8-12 parts of potassium dihydrogen phosphate; 1-3 parts of boric acid; 4-6 parts of magnesium sulfate 0.8-1.2 parts of ammonium molybdate; 0.01-0.04 parts of paclobutrazol; 0.004-0.006 parts of p-chlorophenoxyacetic acid, 1-2 parts of sodium nitrophenolate; 0.5-1 parts of sodium dodecylbenzenesulfonate, the balance of water . Using humic acid as a carrier, wood vinegar enhances disease resistance, a specific ratio of ammonium molybdate and boric acid promotes the formation of soybean nitrogen fixation mechanism at the initial flowering stage, top nitrogen enhances nitrogen fixation ability, magnesium sulfate enhances photosynthesis, paclobutrazol and anti-falling agent promote root system at flowering stage The nutrient supply ability prevents flower buds from falling off; in the early stage of soybean pod formation, potassium dihydrogen phosphate is used to promote soybean seed filling ability, anti-dropping agent prevents pod drop, improves seed fullness rate, and lays the foundation for high soybean yield.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a soybean foliar fertilizer for increasing flowers and preserving pods, a preparation method and application thereof. Background technique [0002] Soybean is a self-growing nitrogen-fixing crop, and nitrogen fixation through root nodules can meet the nitrogen demand of soybeans. Soybean flowering and pod setting are critical periods for soybean nutrition. Soil drought, poor root development and other reasons lead to a decline in root nitrogen fixation activity, flower drop and pod drop, resulting in a 20%-30% reduction in soybean yield. [0003] The foliar fertilizers currently used in production lack the foliar fertilizers for soybean flower increase and pod protection. Most of them are sprayed with potassium dihydrogen phosphate and urea at the flower pod stage, which can only meet the requirement of soybean supplementation of macronutrients at the flower pod stage. A s...

AI Technical Summary

Problems solved by technology

[0003] The foliar fertilizers currently used in production lack the foliar fertilizers for soybean flower increase and pod protection. Most of them are sprayed with potassium dihydrogen phosphate and urea at the flower pod stage, which can only meet the requirement of soybean supplementation of macronutrients at the flower pod stage. A single method cannot meet the needs of increasing soybean flowers and maintaining pods, so it is urgent to develop a soybean foliar fertilizer that is beneficial to increasing soybean flowers and maintaining pods

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