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High-nitrogen organic suspension liquid compound fertilizer and preparation method thereof

A compound fertilizer and suspension liquid technology, which is applied in the direction of urea compound fertilizer, nitrogen fertilizer, fertilizer mixture, etc., can solve the problems of high price and increased production cost, and achieve the effects of low production cost, increased fertilization soil fertility, and simple equipment

Active Publication Date: 2013-07-31
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Almost all the high-quality liquid fertilizers used by farmers are imported from abroad, which are very expensive and increase production costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Concentrated alcohol waste liquid was purchased from "Guangdong Zhongneng Alcohol Co., Ltd. (Guangdong, Zhanjiang)". Similar products from other alcohol plants are also applicable, and the humic acid content requires 22-25%. Other reagents are common commercially available products.

[0054] Prepare raw materials according to the following parts by weight:

[0055] 28 parts by weight of concentrated alcohol waste liquid;

[0056] 16 parts by weight of urea;

[0057] 16 parts by weight of ammonium nitrophosphate;

[0058] 2 parts by weight of ammonium dihydrogen phosphate;

[0059] 5 parts by weight of diammonium hydrogen phosphate;

[0060] 16 parts by weight of potassium chloride;

[0061] 4 parts by weight of hydroxyethyl cellulose;

[0062] 3 parts by weight of sodium bentonite;

[0063] 1 part by weight of EDTA-Zn;

[0064] 1 part by weight of polymeric sodium borate;

[0065] 8 parts by weight of water.

[0066] The specific preparation method is:

[0067] (1) Heat the water to 80°C...

Embodiment 2

[0075] Prepare raw materials according to the following parts by weight:

[0076] 30 parts by weight of concentrated alcohol waste liquid;

[0077] 15 parts by weight of urea;

[0078] 15 parts by weight of ammonium nitrophosphate;

[0079] 3 parts by weight of ammonium dihydrogen phosphate;

[0080] 6 parts by weight of diammonium phosphate;

[0081] 14 parts by weight of potassium chloride;

[0082] 3 parts by weight of hydroxyethyl cellulose;

[0083] 4 parts by weight of sodium bentonite;

[0084] 1 part by weight of EDTA-Zn;

[0085] 1 part by weight of polymeric sodium borate;

[0086] 8 parts by weight of water.

[0087] The specific preparation method is:

[0088] (1) Heat the water to 85°C, keep the temperature at 85°C, stir while adding hydroxyethyl cellulose to dissolve the hydroxyethyl cellulose; then add sodium bentonite, stir while adding, and add the two ingredients Then stir for 10-15 minutes to mix the two components thoroughly to prepare the suspension mother liquor;

[0089] ...

Embodiment 3

[0095] Prepare raw materials according to the following parts by weight:

[0096] 26 parts by weight of concentrated alcohol waste liquid;

[0097] 16 parts by weight of urea;

[0098] 15 parts by weight of ammonium nitrophosphate;

[0099] 3 parts by weight of ammonium dihydrogen phosphate;

[0100] 5 parts by weight of diammonium hydrogen phosphate;

[0101] 17 parts by weight of potassium chloride;

[0102] 3 parts by weight of hydroxyethyl cellulose;

[0103] 3 parts by weight of sodium bentonite;

[0104] 2 parts by weight of EDTA-Zn;

[0105] 2 parts by weight of polymeric sodium borate;

[0106] 8 parts by weight of water.

[0107] The specific preparation method is:

[0108] (1) Heat the water to 75°C and start adding hydroxyethyl cellulose and stirring. Keep the temperature at 75°C and stir while adding hydroxyethyl cellulose to dissolve the hydroxyethyl cellulose; then add sodium bentonite while Stir while adding, and stir for 10-15 minutes after adding the two components to make the...

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PUM

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Abstract

The invention discloses a high-nitrogen organic suspension liquid compound fertilizer and a preparation method thereof. The high-nitrogen organic suspension liquid compound fertilizer comprises the following components by weight part: 10-17 parts of suspending agent mother liquid and 90-83 parts of nitrogenous fertilizer, phosphate fertilizer, potassium fertilizer, humic acid and trace elements; the suspending agent mother liquid comprises the following components by weight part: 2-7 parts of hydroxyethylcellulose, 1-5 parts of sodium bentonite and 6-10 parts of water. The fertilizer of the invention has good stability and uniformity and can simultaneously supply macro-elements, trace elements and organic nutrients for crops, so that the crops can absorb the macro-elements and simultaneously supplement the trace elements, and the nutrient utilization ratio is high. Because of the complete solubility and the high nutrient content of the fertilizer, the fertilizer facilitates the use ofpeasants, and the labor and the fertilizer cost are saved.

Description

Technical field [0001] The invention belongs to the technical field of agricultural production, and specifically relates to a large-scale and medium-trace element fertilizer applied to crops, especially an organic suspension liquid compound fertilizer with higher nitrogen content and a preparation method thereof. Background technique [0002] More and more farmers are accustomed to dissolving fertilizer in water before applying fertilizer in the process of topdressing crops. With the development of modern facility agriculture, the popularization and application of pipeline fertilization technology, drip irrigation and sprinkler irrigation fertilization technology have begun to spread in our country, and the application of this technology must be realized by dissolving fertilizer in water. [0003] At the same time, with the promotion of balanced fertilization and formula fertilization technology, compound fertilizers have been more and more widely used. However, due to technical li...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05C9/00
Inventor 张承林邓兰生胡克纬涂攀峰龚林
Owner SOUTH CHINA AGRI UNIV
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