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Total nutrient liquid fertilizer for potatoes and preparation method thereof

A liquid fertilizer and potato technology, applied in liquid fertilizer, organic fertilizer, inorganic fertilizer, etc., can solve the problems of accelerating the growth and development of potato plants, not being able to fully supplement potato nutrition, and inhibiting potato growth, so as to increase crop stress resistance and accelerate growth. The effect of plant growth and development, shortening the maturity period and growth period

Inactive Publication Date: 2021-01-29
JIAOCHENG KNLAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Trace elements such as boron, manganese, zinc, and copper can accelerate the growth and development of potato plants, increase plant light and productivity, delay the emergence of diseases, and improve tuber size and quality. Potatoes are also the most sensitive to the lack of these elements, but now Some fertilizers cannot fully supplement the nutrients needed for potato growth, which inhibits the growth of potatoes and reduces the yield

Method used

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  • Total nutrient liquid fertilizer for potatoes and preparation method thereof
  • Total nutrient liquid fertilizer for potatoes and preparation method thereof

Examples

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Effect test

Embodiment 1

[0041] A full-nutrition liquid fertilizer for potatoes, comprising the following raw materials in parts by weight: 20-35 parts of urea, 9-12 parts of compound EDTA chelated trace elements, 8-16 parts of potassium sulfate, and 4-9 parts of potassium nitrate 2-5 parts of ammonium polyphosphate, 2-8 parts of monoammonium phosphate, 7-13 parts of magnesium sulfate monohydrate, 10-16 parts of potato extract, 6-8 parts of chitosan, 0.2-0.6 parts of swelling agent;

[0042] Composite EDTA chelated trace elements include the following raw materials by weight percentage: EDTA chelated copper 15%, EDTA chelated zinc 35%, EDTA chelated iron 10%, EDTA chelated calcium 25%, EDTA chelated manganese 10% %, Borax decahydrate 4.5%, Ammonium molybdate 0.5%.

Embodiment 2

[0044] The preparation method of compound EDTA chelated trace element among the present invention, comprises the following steps:

[0045] ① Raw material preparation:

[0046] A, preparation of EDTA chelated copper:

[0047] Add disodium EDTA and copper sulfate with a molar ratio of 1:1 into the reaction kettle, dissolve in water, heat up to 50-70°C, react for 0.5-1.5 hours, filter out insoluble impurities, and adjust the pH value of the filtrate to between 5.1-5.4 Between, evaporate, crystallize, centrifuge, dry and make finished product EDTA chelated copper;

[0048] B, the preparation of EDTA chelated zinc:

[0049] Add disodium EDTA, basic zinc carbonate, and zinc nitrate hexahydrate to dissolve in water, heat up to 60-80°C, react for 0.5-1.5 hours, filter out insoluble impurities, and adjust the pH value of the filtrate to between 6.8-7.2 During the process, the filtrate is concentrated, evaporated, crystallized, centrifuged and dried to obtain the finished product EDT...

Embodiment 3

[0062] Among the present invention, the preparation method of magnesium sulfate monohydrate comprises the following steps:

[0063] A, the mineral powder of sulfuric acid and magnesium oxide is measured in the ratio of 1:1 by the mol ratio of sulfuric acid and magnesium oxide;

[0064] B. Add water into the neutralization tank, slowly add the measured mineral powder while stirring, then add the measured sulfuric acid for neutralization reaction, add buffer solvent, control the ph=5 density of the slurry at 1.370-1.384g / cm 3 , keeping the temperature at 80°C for reaction;

[0065] C. After the reaction is carried out for 1-1.5h, the neutralization solution is filtered through a leaf filter;

[0066] D. Put the filtered clear liquid into a crystallizer, cool it to below 30°C, let it stand for 0.5h, and perform centrifugation;

[0067] F. Send the wet material after centrifugal separation into a dehydration dryer, and dehydrate and dry it at 220-260°C to obtain magnesium sulf...

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Abstract

The invention discloses a total-nutrient liquid fertilizer for potatoes and a preparation method thereof. The total-nutrient liquid fertilizer is prepared from the following raw materials in parts byweight: 20-35 parts of urea, 9-12 parts of composite EDTA chelated trace elements, 8-16 parts of potassium sulfate, 4-9 parts of potassium nitrate, 2-5 parts of ammonium polyphosphate, 2-8 parts of monoammonium phosphate, 7-13 parts of magnesium sulfate monohydrate, 10-16 parts of potato extracting solution, 6-8 parts of chitosan and 0.2-0.6 part of swelling agent. The liquid fertilizer provided by the invention is balanced and comprehensive in nutrition, outstanding in fertilizer efficiency, beneficial to crop growth and suitable for potato planting.

Description

technical field [0001] The invention relates to the technical field of liquid fertilizers, in particular to a full-nutrient liquid fertilizer for potatoes and a preparation method thereof. Background technique [0002] Potatoes are also called potatoes, artichokes, yam eggs, etc., and their edible parts are underground tubers, which are rich in starch and crude protein, and can be used as both food and vegetable feed; industrially, starch and alcohol can be produced. Potato likes a cool and mild climate. It is more drought-tolerant, stress-resistant, and high-yielding. It is suitable for planting in hills, low mountains, and alluvial plains with deep soil layers and loose structures. It is a typical high-yielding crop and is also the main potato crop in my country. A pillar industry for farmers in production areas to get rid of poverty and increase income. [0003] During the growth of potatoes, there are more requirements for nutrients. Potassium can improve the disease res...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G5/20
CPCC05B7/00C05G3/00C05G5/20C05C5/02C05C9/00C05D1/02C05D5/00C05D9/02C05F11/00
Inventor 蔺向光赵国斌朱振涛李耀辉张俊龙
Owner JIAOCHENG KNLAN CHEM
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