Medium trace element soil conditioner and preparation method thereof

A technology of soil conditioner and medium and trace elements, applied in application, organic fertilizer, inorganic fertilizer, etc., can solve the problems of geographical restrictions, ecological damage, environmental pollution, etc., and achieve the effect of reducing application amount, lasting fertilizer effect and low cost

Pending Publication Date: 2019-07-19
烟台富慧农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The source of such minerals needs to be mined, and there are geographical restrictions, causing environmental pollution and ecological damage

Method used

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  • Medium trace element soil conditioner and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The preparation method of the middle and trace element soil conditioner of the present embodiment comprises:

[0029] a Raw materials: weigh 45 parts of oyster shells, 20 parts of silicon dioxide, 20 parts of lightly burned magnesium powder and 8 parts of bentonite;

[0030] b Crushing, grinding, pelleting, drying: Mix and crush the raw materials weighed in step a, grind to 160 mesh, sieve and add water to form balls below 8mm and dry

[0031] c Calcination: Rotate the raw material balls in step b to a rotary calciner at 1300°C under the condition of 0.95 Pa, and calcinate for 40 minutes to obtain clinker;

[0032] d water quenching / activation: the clinker in step c is water quenched to obtain a solid particle product and dried

[0033] e Grinding: Grinding the solid particle product in step d to 120 mesh and sieving to obtain a powdery microelement soil conditioner;

[0034] f Granulation: Add 8 parts of attapulgite powder, 2 parts of magnesium sulfate, 1 part of sod...

Embodiment 2

[0036] The preparation method of the middle and trace element soil conditioner of the present embodiment comprises:

[0037] a Raw materials: weigh 60 parts of oyster shells, 10 parts of river sand, 30 parts of lightly burned magnesium powder and 9 parts of bentonite;

[0038] b Crushing, grinding, pelleting, drying: Mix and crush the raw materials weighed in step a, grind to 120 mesh, sieve and add water to form balls below 8mm and dry

[0039] c Calcination: Calcining the raw material balls in step b at 1200°C in a rotary calciner at 0.95 Pa for 35 minutes to obtain clinker;

[0040] d water quenching / activation: the clinker in step c is water quenched to obtain a solid particle product and dried

[0041] e Grinding: Grinding the solid particle product in step d to 200 mesh and sieving to obtain a powdery microelement soil conditioner;

[0042] f Granulation: Add 6 parts of attapulgite powder, 2.5 parts of magnesium sulfate, 2 parts of sodium hydroxide, 3 parts of sugar et...

Embodiment 3

[0044] The preparation method of the middle and trace element soil conditioner of the present embodiment comprises:

[0045] a Raw materials: weigh 70 parts of oyster shells, 15 parts of quartz, 10 parts of lightly burned magnesium powder and 10 parts of bentonite;

[0046] b Crushing, grinding, pelleting, drying: Mix and crush the raw materials weighed in step a, grind to 140 mesh, sieve, add water to form balls below 8mm and dry

[0047] c Calcination: Rotate the raw material balls in step b to a rotary calciner at 1350°C under the condition of 0.95Pa, and calcinate for 30 minutes to obtain clinker;

[0048] d water quenching / activation: water quenching the clinker in step c to obtain a solid particle product;

[0049] e Grinding: Grinding the solid particle product in step d to 160 mesh and sieving to obtain a powdery microelement soil conditioner;

[0050] f Granulation: Add 12 parts of attapulgite powder, 1 part of magnesium sulfate, 0.5 part of sodium hydroxide, 4 part...

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Abstract

The embodiment of the invention discloses a medium trace element soil conditioner and a preparation method thereof. The medium trace element soil conditioner comprises the following components in parts by mass: 20-70 parts of oyster shell, 10-30 parts of silicon-based non-metallic material, 10-30 parts of light calcined magnesia powder and 5-10 parts of bentonite. The soil conditioner disclosed bythe invention not only contains organic matter for improving soil, but also contains medium trace elements required in a plant growth process, so that the planting cost is effectively reduced; secondly, the soil conditioner activated through high-temperature calcination can effectively improve the pH value of acid soil and avoid loss of medium trace elements, so that the effects of conditioning the soil, complexing and precipitating heavy metals, facilitating growth and reproduction of microorganisms, loosening and ventilating the soil, balancing the mineral content of the soil, improving beneficial salt bases and enhancing the salt tolerance of crops are achieved; and in addition, the raw materials of the soil conditioner are cheap and easy to obtain, exploitation is not needed, the preparation method is simple, cost is low, and the soil conditioner has great application and popularization prospects.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of soil fertilizers, in particular to a medium and trace element soil conditioner and a preparation method thereof. Background technique [0002] At present, in the field of agricultural planting, people apply a large amount of chemical fertilizers, pesticides, herbicides, insecticides and other substances in the soil, resulting in a serious imbalance of soil nutrients in agricultural areas. At the same time, soil acidification will accelerate the decline of soil acidity and the leaching of elements, making the soil barren. Thereby reducing the quality of crop products, even causing plant poisoning and death in serious cases, seriously destroying the natural ecological environment, and greatly endangering the health level of human beings themselves. [0003] Studies have shown that the absorption of nitrogen, phosphorus, and potassium by different plants is proportional, and the th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/00C05G3/80
CPCC05D3/02C05G3/00C05G3/80C05D5/00C05D9/00C05F1/00
Inventor 隋秀富孙明志魏立明尹春振丁立平
Owner 烟台富慧农业科技有限公司
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