Chelated Fe-Zn-B fertilizer and preparation method thereof

A technology for chelating iron, zinc and boron, applied in the field of crop nutrition preparations, can solve the problems of not adding surfactants, affecting the growth and development of crops, and being difficult to absorb by crops, achieving good water-soluble effect, increasing fertilizer efficiency and utilization rate, and being difficult to separate out. Effect

Active Publication Date: 2015-09-30
JINGBO AGROCHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When a certain trace element is deficient, the growth and development of crops will be significantly affected, the yield will be reduced, and the quality will be reduced
[0003] At present, there are many kinds of trace element fertilizers on the market. Trace element fertilizers are fertilizers that combine one or more trace elements, such as boron fertilizer, molybdenum fertilizer, zinc fertilizer, copper fertilizer, manganese fertilizer, iron fertilizer and other single trace element fertilizers. Or a mixed trace element compound fertilizer made of boron fertilizer, molybdenum fertilizer, zinc fertilizer, copper fertilizer, manganese fertilizer, iron fertilizer, etc., but the content is low, generally without chelation, and it is easy to flocculate after use. Non-absorbable sediment, and no added surfactants, not easily absorbed by crops
[0004] Based on the above reasons, it is necessary to prepare a new type of chelated iron-zinc-boron fertilizer to overcome the low trace element content and instability of existing trace element fertilizers.

Method used

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  • Chelated Fe-Zn-B fertilizer and preparation method thereof
  • Chelated Fe-Zn-B fertilizer and preparation method thereof
  • Chelated Fe-Zn-B fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A chelated iron-zinc-boron fertilizer, comprising the following components prepared by weight ratio: 350g of zinc sulfate heptahydrate, 32g of ferrous sulfate heptahydrate, 30g of sodium octaborate tetrahydrate, 30g of citric acid, 20g of xylitol, Surfactant 50g and water 488g. Firstly add the metal salt to the water, after the dissolution is complete, add the chelating agent and heat to 50-70°C and keep it warm for one hour, then cool to room temperature, finally add the surfactant, stir evenly to get the final product.

[0028] Use period: loofah full fruit period

[0029] Dosage: 800-1200 times diluted

[0030] It is used continuously for 2 times with an interval of 10 days. After using the fertilizer, the loofah yield is increased by more than 10% compared with the control.

Embodiment 2

[0032] A chelated iron-zinc-boron fertilizer, comprising the following components prepared by weight ratio: 330g of zinc sulfate heptahydrate, 30g of ferrous sulfate heptahydrate, 35g of sodium octaborate tetrahydrate, 20g of citric acid, 20g of sorbitol, surface Active agent 50g and water 515g. Firstly add the metal salt to the water, after it is completely dissolved, add the chelating agent, heat to 50-70°C and keep it warm for 1.5 hours, then cool to room temperature, finally add the surfactant, stir evenly to get the final product.

[0033] Use period: cucumber full fruit period

[0034] Dosage: 800-1200 times diluted

[0035] Continuously used twice with an interval of 10 days, after using the fertilizer, the commodity rate of cucumber fruit reaches more than 93%, and the yield increases by more than 15% compared with the control.

Embodiment 3

[0037] A chelated iron-zinc-boron fertilizer, comprising the following components prepared by weight ratio: 340g of zinc sulfate heptahydrate, 30g of ferrous sulfate heptahydrate, 30g of sodium octaborate tetrahydrate, 20g of sorbitol, 30g of xylitol, Surfactant 50g and water 500g. Firstly add the metal salt to the water, after it is completely dissolved, add the chelating agent, heat to 50-70°C and keep it warm for 1.5 hours, then cool to room temperature, finally add the surfactant, stir evenly to get the final product.

[0038] Use period: cucumber full fruit period

[0039] Dosage: 800-1200 times diluted

[0040] Continuous use for 3 times with an interval of 10 days, after using the fertilizer, the commodity rate of cucumber fruit reaches more than 90%, and the yield increases by more than 15% compared with the control.

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Abstract

The invention relates to a method for preparing a chelated Fe-Zn-B fertilizer. The sum content of Fe, Zn and B in the chelated Fe-Zn-B fertilizer is greater than or equal to 100 g/L. The method has the advantages that the chelated Fe-Zn-B fertilizer is a high-concentration microelement chelated fertilizer, is a new-generation high-concentration nutrient, is added with a surfactant, can easily penetrate through leaf tissues to enter the inside of the leaf surface, and carries nutrient to be transported at the phloem part, so that absorption and utilization by crops can be effectively improved. The microelement content is high, formation of insoluble matters is prevented, the antagonistic action is reduced, the utilization rate is improved, and the cost is relatively low.

Description

technical field [0001] The invention belongs to the field of crop nutritional preparations and relates to a preparation method of chelated iron, zinc and boron fertilizers. Through chelation and adding surfactants, it can promote the balanced absorption of various nutrients by plants. Background technique [0002] Trace elements zinc, boron, copper, manganese, molybdenum, iron, nickel, etc. are essential nutrients for crops. Although crops require very little micronutrients, they are equally important to crop growth and development as macronutrients such as nitrogen, phosphorus, and potassium. When a certain trace element is deficient, the growth and development of crops will be significantly affected, the yield will be reduced, and the quality will be reduced. [0003] At present, there are many kinds of trace element fertilizers on the market. Trace element fertilizers are fertilizers that combine one or more trace elements, such as boron fertilizer, molybdenum fertilize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05D9/02
Inventor 朱莹韦能春戴荣华王成张元珍张建建
Owner JINGBO AGROCHEM TECH CO LTD
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