Aid-containing trace element foliar fertilizer and preparation method thereof

A foliar fertilizer and trace element technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problem that product components are difficult to reflect the differences in crops, soil, and planting systems, and the lack of scientific nutrient ratio design affects the spraying effect To achieve excellent compatibility, reduce soil pollution, and ensure healthy growth

Active Publication Date: 2011-08-03
BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the 21st century, the development of micro-fertilizers in my country has entered a rapid stage, but the industrial development is still dominated by small enterprises, and powders account for more than half of the products. It is difficult to reflect the differences in crops, soils, and planting systems in product components, and the design of nutrient ratios lacks strict science. sex
Due to surface tension and other reasons, the fertilizer solution sprayed on the crop surface is difficult to wet and spread on the leaves, and the liquid holding capacity is small, which affects the spraying effect and causes waste.

Method used

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  • Aid-containing trace element foliar fertilizer and preparation method thereof
  • Aid-containing trace element foliar fertilizer and preparation method thereof
  • Aid-containing trace element foliar fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1, the mensuration of different concentration APG surface tension and its determination of critical micelle concentration

[0027] (1) JZ-200A automatic interfacial tensiometer was used to measure the surface tension of surfactants.

[0028]The concentration of APG solution is 10mg / L, 30mg / L, 50mg / L, 100mg / L, 500mg / L, 1000mg / L, 5000mg / L, 10000mg / L, 15000mg / L respectively. The surface tension of different concentrations of APG solution and water were measured by surface tensiometer. ) The surface tension of the same sample measured three times in a row differs by less than 0.2mN / m.

[0029] see results figure 1 . From figure 1 The turning point shows that the critical micelle concentration of the surfactant APG is about 100mg / L, and the surface tension is 37.8mN / m at this time.

Embodiment 2

[0030] Embodiment 2, investigate the liquid holding capacity of different concentrations of APG to cucumber leaves and rape leaves

[0031] Take fresh leaves to measure their mass, then soak the leaves in different concentrations of APG solutions for 10 seconds and take them out. When the leaves are not dripping water, measure the mass of the leaves after soaking, repeat 3 times to calculate the average value; measure the leaf area at the same time, convert it to 1cm 2 of liquid holding capacity.

[0032] (1) Liquid holding capacity of cucumber leaves with different concentrations of APG

[0033] With the increase of APG concentration, the liquid holding capacity on cucumber leaves also increases, reaching the maximum liquid holding capacity near the critical micelle concentration, and the liquid holding capacity begins to decrease after the value is higher than this value. As the concentration continues to increase, the liquid holding capacity The volume increased again and ...

Embodiment 3

[0036] Embodiment 3, prepare trace element foliage fertilizer

[0037] Every 100kg trace element foliar fertilizer is composed of the following substances: copper sulfate 9.0kg, ferrous sulfate 4.5kg, zinc sulfate 15.5kg, manganese sulfate 9.0kg, boric acid 2.0kg, EDTA disodium 5.0kg, citric acid 1.0kg, alkane base glycoside 10kg, and the balance is water.

[0038] The preparation method is as follows:

[0039] 1. Add 50kg of water into the reaction kettle, control the temperature at 70-80°C, add the chelating agent disodium EDTA and citric acid, and stir to fully dissolve it.

[0040] 2. Then add copper sulfate, ferrous sulfate, zinc sulfate, manganese sulfate, and boric acid in the reaction kettle in sequence, stir well while adding to make it dissolve quickly, and fully react at 70-80°C for 1.5 hours;

[0041] 3. After cooling to room temperature, add the additive APG, stir well to disperse evenly in the solution, and finally add water to 100kg.

[0042] 4. After filteri...

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Abstract

The invention discloses an aid-containing trace element foliar fertilizer and a preparation method thereof. Each 100 kilograms of trace element foliar fertilizer comprises the following substances: 6 to 12 kilograms of copper sulfate, 3 to 8 kilograms of ferrous sulfate, 12 to 17 kilograms of zinc sulfate, 7 to 11 kilograms of manganese sulfate, 1.0 to 2.5 kilograms of boric acid, 2.0 to 5.0 kilograms of ethylene diamine tetraacetic acid (EDTA) disodium, 1.0 to 5.0 kilograms of citric acid, 5.0 to 10.0 kilograms of alkyl glucoside and the balance of water. Application results indicate that the trace element foliar fertilizer, after being sprayed onto the surfaces of laminae, can be better spread on the laminae to plat the nutritional effect fully; and due to the addition of an aid, the absorption of the laminae on four elements of Fe, Mn, Cu and Zn is improved, and the growth vigor and biomass of crops are increased obviously.

Description

technical field [0001] The invention relates to a trace element foliage fertilizer containing additives and a preparation method thereof. Background technique [0002] With the continuous improvement of the level of modern agriculture and the increase in the amount of chemical fertilizers, the problem of lack of trace elements has become increasingly prominent, and in some places it has become an obstacle to crop production. In the field of agricultural science and technology, the essential nutrient elements with a content of 0.2-200mg / Kg are called trace elements. There are 7 kinds of essential trace elements, such as iron, manganese, copper, zinc, boron, molybdenum, and chlorine. The growth and development of plants need to absorb various Nutrients, but the plant yield is determined by the effective plant growth factor with the smallest relative content in the soil, and the yield also changes accordingly within a certain limit with the increase or decrease of this factor. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 张琳左强王甲辰邹国元谷佳林刘宝存
Owner BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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