Disintegration type efficient granular magnesium sulfate fertilizer and preparation method thereof

A technology of magnesium sulfate and magnesium sulfate powder, which is used in magnesium fertilizers, inorganic fertilizers, fertilization devices, etc., can solve the problem that it still takes a long time for complete dissolution, the disintegration time of granular magnesium sulfate is slow, and there is no disintegrating magnesium sulfate particles. Patent information and other issues, to achieve the effect of improving nutrient utilization efficiency, promoting crop rooting and germination, and high disintegration rate

Inactive Publication Date: 2020-04-21
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although magnesium sulfate has good water solubility, the disintegration time of granular magnesium sulfate is slow, and it still takes a long time to com

Method used

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  • Disintegration type efficient granular magnesium sulfate fertilizer and preparation method thereof
  • Disintegration type efficient granular magnesium sulfate fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Embodiment 1, preparation disintegration type granular magnesium sulfate fertilizer composition

[0049] (1) Weigh 90g of magnesium sulfate powder, 4.75g of citric acid, 4.75g of sodium bicarbonate, and 0.5g of potassium fulvic acid, and completely mix the different materials evenly.

[0050] (2) Pour the fully mixed material into the granulator, adjust the speed of the granulator to 28r / min,

[0051] (3) Use deionized water as a binder, and spray it evenly on the material to make it into a ball and granulate.

[0052] (4) Put the obtained granular fertilizer in a blast drying oven, and dry it at 30° C. for 1-2 hours.

[0053] (5) Take out, cool to room temperature, sieve the fertilizer granules with 2-4mm diameter with test sieve, obtain the disintegrating granular magnesium sulfate granule provided by the present invention.

Embodiment 2

[0054] Embodiment 2, preparation disintegration type granular magnesium sulfate fertilizer composition

[0055] (1) Weigh 85g of magnesium sulfate powder, 7g of citric acid, 7g of sodium bicarbonate, and 1g of potassium fulvic acid respectively, and completely mix the different materials evenly.

[0056] (2) Pour the fully mixed material into the granulator, adjust the speed of the granulator to 28r / min,

[0057] (3) Use deionized water as a binder, and spray it evenly on the material to make it into a ball and granulate.

[0058] (4) Put the obtained granular fertilizer in a blast drying oven, and dry it at 30° C. for 1-2 hours.

[0059] (5) Take it out, cool to room temperature, and get 2-4mm diameter fertilizer granules with a test sieve to obtain the disintegrating granular magnesium sulfate fertilizer granules provided by the invention.

Embodiment 3

[0060] Embodiment 3, preparation disintegration type granular magnesium sulfate fertilizer composition

[0061] (1) Weigh 89g of magnesium sulfate powder, 4.5g of citric acid, and 5g of sodium bicarbonate respectively, and completely mix the different materials evenly.

[0062] (2) Pour the fully mixed material into the granulator, and adjust the speed of the granulator to 28r / min.

[0063] (3) Use the citric acid of 0.5wt% potassium fulvic acid aqueous solution and 0.5wt% citric acid as binding agent, alternately and evenly spray on the material to make it into ball granulation.

[0064] (4) Put the obtained granular fertilizer in a blast drying oven, and dry it at 30° C. for 1-2 hours.

[0065] (5) Take it out, cool to room temperature, and get 2-4mm diameter fertilizer granules with a test sieve to obtain the disintegrating granular magnesium sulfate fertilizer granules provided by the invention.

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Abstract

The invention discloses a disintegration type efficient granular magnesium sulfate fertilizer and a preparation method thereof. The disintegration type granular magnesium sulfate fertilizer composition comprises magnesium sulfate and a disintegration synergistic additive, wherein the mass part of the magnesium sulfate is 80 to 90 parts; and the disintegration synergistic additive is prepared fromcitric acid, sodium bicarbonate and potassium fulvic acid; wherein the disintegration synergistic auxiliary agent is composed of, in parts by mass, 4 to 9.75 parts of citric acid, 4 to 9.75 parts of sodium bicarbonate and 0.5 to 2 parts of potassium fulvate. The disintegration type efficient granular magnesium sulfate fertilizer provided by the invention can effectively overcome the defects of theexisting magnesium sulfate fertilizer granules, and has the following advantages: 1, a disintegration speed is high, and a disintegration rate is high; 2, diffusion space is wide, and diffusion distance is long; and 3, nutrient utilization efficiency can be improved, rooting and germination of crops are promoted, a soil structure is improved, etc.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a disintegrating high-efficiency granular magnesium sulfate fertilizer and a preparation method thereof. Background technique [0002] Magnesium is one of the medium nutrients necessary for the normal growth and development of plants. It plays an important role in chlorophyll composition, enzyme activation, nucleotide and protein synthesis, sucrose phloem loading, carbohydrate distribution, energy metabolism and active oxygen metabolism. At the same time, magnesium also plays a very important role in alleviating abiotic stresses such as aluminum toxicity stress, salt stress and heavy metals. Magnesium has been called the fourth largest nutrient element after nitrogen, phosphorus, and potassium, and it will play an increasingly important role in improving crop yield and improving the quality of agricultural products. [0003] Magnesium deficiency is becoming more and more ser...

Claims

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Application Information

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IPC IPC(8): C05G3/40C05G3/80C05G5/12
CPCC05D5/00C05G3/00
Inventor 黄成东鲁振亚贾冲冲王岩岩张福锁江荣风
Owner CHINA AGRI UNIV
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