Preparation method of selenium-rich humic acid water soluble fertilizer

A humic acid and fertilizer technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve problems such as the inability to reduce heavy metals and pesticide residues in agricultural products, the inability to ensure the quality and safety of agricultural products, and the lack of health care effects, etc., to ensure agricultural products. Quality and safety, improve the quality of agricultural products, and improve the effect of crop yield

Active Publication Date: 2014-10-29
GUANGXI PENSHIBAO
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Problems solved by technology

At present, most of the water-soluble fertilizers on the market only solve the sharp contradiction between premature aging caused by lack of fertilizer in the later stage of crop growth and development, and late-maturing due to excessive fertilizer application at the root, which cannot reduce heavy metals in agricultural products. and pesticide residues, cannot ensure the quality and safety of agricultural products, and the agricultural products produced do not have health effects on the human body

Method used

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  • Preparation method of selenium-rich humic acid water soluble fertilizer
  • Preparation method of selenium-rich humic acid water soluble fertilizer
  • Preparation method of selenium-rich humic acid water soluble fertilizer

Examples

Experimental program
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Embodiment

[0018] 1) Preparation of organic selenium: select sodium selenite and wheat with a mass ratio of 1:100 as raw materials, soak the wheat in normal temperature water for 24 hours, and place them in a simple greenhouse built with plastic mulch at a temperature of 25°C and relatively air. Germinate in an environment with a humidity of 85%. After the malt is now green, spray the sodium selenite solution with a mass percentage of 50% on the wheat malt once a day for a total of 15 days. Through the absorption and transformation of the wheat germination process, the inorganic selenium is enriched on the amino acid and protein molecules contained in the malt, and through the physiological absorption and transformation of the malt, the inorganic selenium is converted into organic selenium, and the organic selenium containing 4% is obtained;

[0019] 2) Acidification of humic acid: take humic acid accounting for 50% of the raw material ratio, dissolve it in 50% ethylene glycol by mass p...

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Abstract

The invention provides a preparation method of a selenium-rich humic acid water soluble fertilizer. The method is characterized by comprising the following steps: 1) preparing organic selenium; 2) acidizing humic acid; 3) stirring; 4) chelating; 5) concentrating. The method provided by the invention is simple to operate and easy to implement. According to the method, the prepared water soluble fertilizer can be used for lowering the residual quantity of heavy metals and pesticides in agricultural products so as to guarantee the quality safety of the agricultural products, and can improve the yield of crops at the same time, thereby conforming to the standard of selenium-rich agricultural products in China. As a result, the prepared water soluble fertilizer has a wide market prospect.

Description

Technical field [0001] The invention involves the field of agricultural fertilizer preparation, and especially involves a preparation method for selenium -enriched humic acid water -soluble fertilizers. Background technique [0002] Water -soluble fertilizer is a diversified compound fertilizer that is completely dissolved in water. It can quickly dissolve in water and be more likely to be absorbed by crops because its inherent advantages are widely used.At present, most of the water -soluble fertilizers on the market only solve the premature failure caused by lack of fertilizer in the late period of crops and due to the lack of fertilizer and due to the fertilizer pursuit in the later period, it is easy to cause a pair of sharp contradictions such as greedy and late maturity due to excessive fertilizer application.With pesticide residues, the quality of agricultural products cannot be ensured, and the agricultural products produced have no health effects on the human body. Inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05G3/00
Inventor 王缉成
Owner GUANGXI PENSHIBAO
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