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High concentration organic zinc fertilizer and its preparing method

A high-concentration, organic zinc technology, applied in the field of chemical fertilizers, can solve problems such as lack of pertinence, and achieve the effect of strong pertinence, stable performance and safe use

Inactive Publication Date: 2008-10-15
四川省兰月农化科技开发有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many researches on zinc fertilizer (such as: Chinese patent application number: 200610010775.2——the method of producing zinc phosphate with phosphate fertilizer; 87105126.5——the synthesis method of complex fertilizer Youkang Zinc), but lack of specificity for crop application The development of non-toxic zinc fertilizers, the existing zinc-containing fertilizers are often compound fertilizers with multiple nutrients including zinc, which is not targeted to some soils and crops that are only deficient in zinc

Method used

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  • High concentration organic zinc fertilizer and its preparing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Present embodiment 1 high-concentration organic zinc fertilizer is made of the following raw materials by weight percentage:

[0019] Zinc oxide 52.5

[0020] Triethanolamine 16

[0021] Diethanolamine 4.5

[0022] Alkylphenol ethoxylates 8

[0023] water 19

[0024] After the above raw materials are mixed, they are stirred and reacted at 35°C±5°C for 3 hours, and the mushrooms are pulverized by a machine for 0.5 hours to obtain the product of the present invention. Its fertilizer effect is shown in Table 1.

Embodiment 2

[0026] Present embodiment 2 high-concentration organic zinc fertilizer is made of following raw material by weight percentage:

[0027] Zinc oxide 40

[0028] Zinc chloride 15

[0029] Triethanolamine 10

[0030] Diethylamine tetraacetic acid 4.5

[0031] Sorbitan monooleate polyoxyethylene ether 8

[0032] water 22.5

[0033] After mixing the above raw materials, stir and react at 75±5°C for 2 hours, cool to room temperature, crush the mushrooms for 0.5 hours to obtain the product of the present invention. Its fertilizer effect is shown in Table 1.

Embodiment 3

[0035] Present embodiment 3 high-concentration organic zinc fertilizer is made of following raw material by weight percentage:

[0036] Zinc sulfide 45

[0037] Zinc hydroxide 10

[0038] Glycolamine 12

[0039] Urea 2

[0040] Castor oil polyoxyethylene ether 8

[0041] water 23

[0042] After mixing the above raw materials, stir and react at 90±5°C for 2.5 hours, cool to room temperature, crush the mushrooms for 0.5 hours to obtain the product of the present invention. Its fertilizer effect is shown in Table 1.

[0043] Table 1 The present invention is used for the test situation of mainly needing zinc crops such as paddy rice

[0044] (This test was carried out in Wenjiang County and Pi County, Sichuan Province)

[0045]

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Abstract

The high concentration organic zinc fertilizer is prepared with inorganic zinc compound 30-70 wt%, organic complex 10-30 wt%, assistant 10-20 wt% and water for the rest. The inorganic zinc compound is one or two of zinc oxide, zinc sulfate, zinc nitrate, zinc hydroxide, zinc sulfide and zinc chloride; the organic complex is at least one of ethylene diamine, diethylamine, diethanolamine, etc; and the assistant is at least one of sorbitan monooleate ethoxylate, alkylphenol ethoxylate, fatty alcohol ethoxylate and caster oil ethoxylate. The present invention can replenish zinc in crop to improve quality of crop, increase yield of crop and resist disease. The present invention also provides the preparation process of the high concentration organic zinc fertilizer.

Description

Technical field: [0001] The invention relates to a chemical fertilizer, in particular to a high-concentration organic zinc fertilizer and a preparation method thereof. Background technique: [0002] Zinc is one of the essential trace elements in the growth process of crops. Zinc participates in plant photosynthesis, protein metabolism, and auxin synthesis. When zinc is deficient, buds and stems are inhibited, growth and development stop, plant type is short, and leaves are small and deformed. Physiological diseases such as short clusters (rosette branches), bald ears and lack of grains, thick fruit skins (stiff fruit), low yield, and poor quality. Zinc is also the most abundant trace metal element in the human body. The lack of zinc in food affects brain development. [0003] At present, there are many researches on zinc fertilizer (such as: Chinese patent application number: 200610010775.2——the method of producing zinc phosphate with phosphate fertilizer; 87105126.5——the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05D9/00
Inventor 夏中梅侯勇曾显斌王兰英魏敏敬华英严庆海邓建华曾芸
Owner 四川省兰月农化科技开发有限责任公司
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