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Industrial preparing process of organic humic acid fertilizer

A production technology and humic acid technology, applied in the field of industrial production of humic acid organic fertilizers, can solve the problems of phosphorus fixation and high MgO price, and achieve the effects of increasing the production ratio, reducing fertilizer input, and reducing pests and diseases.

Inactive Publication Date: 2003-02-19
福建省尤溪县绿地生物制品有限公司
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  • Abstract
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Problems solved by technology

Its disadvantages are: 1) Peat soil is mostly buried in paddy fields in southern China from several tens of centimeters to a depth of 1-2 meters. Most of the north is taken from swamps (collectively referred to as wetlands internationally), but wetlands are considered ecologically "the kidney of the earth"
2) The traditional granulation process uses industrial magnesium oxide (MgO) to adjust the PH value of fertilizers, but the price of MgO is too high
3) The traditional granulation process uses kaolin as the binder, but in acidic soil, kaolin is the most important clay mineral, which will cause the fixation of phosphorus in the soil

Method used

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Examples

Experimental program
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Effect test

Embodiment ( 1

[0020] The formula is designed for tea, and its raw materials and weight ratio are: 10% of peat soil, 50% of cow dung, 22% of urea, 10% of diammonium phosphate, 6% of potassium sulfate, and 2% of conditioner. The humic acid organic fertilizer technical index produced by technical process of the present invention is:

[0021] Available nutrients N+P 2 o 5 +K 2 O ≥ 20%, organic matter content ≥ 20%, humic acid ≥ 8%, the amount of fertilization per mu is 150 kg, the output of raw tea is about 132 kg / mu, the output of refined tea is about 110 kg / mu, the output value per mu is more than 3000 yuan and effective nutrients N+P 2 o 5 +K 2 O ≥ 36% potassium sulfate special fertilizer for tea, the amount of fertilization per mu is 150 kg, the output of raw tea is about 130 kg / mu, the output of refined tea is about 95 kg / mu, and the output value per mu is 1900 yuan; The output value increased by 17.0% and 57.9% respectively.

Embodiment ( 2

[0023] The formula is designed for tobacco leaves, and its raw materials and weight ratio are: 33% of cow dung, 15% of urea, 18% of diammonium phosphate, 32% of potassium sulfate, and 2% of conditioner. The humic acid organic fertilizer technical index produced by technical process of the present invention is:

[0024] Available nutrients N+P 2 o 5 +K 2 O ≥ 30%, organic matter content ≥ 20%, humic acid content ≥ 8%, PH = 5.5-7, fertilization amount per mu is 100 kg, yield per mu is 167 kg / mu, and the proportion of top-grade tobacco is 59.2%. Effective nutrient N+P with special fertilizer for inorganic tobacco leaves 2 o 5 +K 2 O ≥ 45%, fertilization amount per mu is 100kg, and biological yield is 127.0kg / mu, among which the proportion of high-quality tobacco is 52.7%, which is 5-6 percentage points higher than that of high-quality tobacco.

[0025] Note: The bio-organic fertilizer mixing machine is a special equipment provided by Chinese patent number: ZL01238800.9.

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Abstract

An organic humic acid fertilizer is industrially prepared from peat, fresh cow dung and filtered mud through proportioning, mixing, fermenting, supplementing oxygen and dewatering. It contains organic mass (20-50%), N+P2O5+K2O (15-30%), humi acid (6-10%) and water (0-10%). Its advantages are broad spectrum and high fertility.

Description

Technical field: [0001] The invention relates to the industrial production technology of humic acid organic fertilizer. Background technique: [0002] Traditionally referred to as humic acid fertilizers, peat soil (peat moss), weathered coal, and lignite are usually used as raw materials. Its disadvantages are: 1) Peat soil is mostly buried in paddy fields in southern China from several tens of centimeters to a depth of 1-2 meters. Most of the north is taken from swamps (collectively referred to as wetlands internationally), but wetlands are considered ecologically "the kidney of the earth". Therefore, they are all non-renewable geological resources. 2) The traditional granulation process uses industrial magnesium oxide (MgO) to adjust the pH value of fertilizers, but the price of MgO is too high. 3) The traditional granulation process uses kaolin as the binder, but in acidic soils, kaolin is the most important clay mineral, which will cause the fixation of phosphorus in ...

Claims

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Application Information

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IPC IPC(8): C05F15/00C05F17/00C05G3/00
CPCY02W30/40
Inventor 池文富周性敦罗胜龙
Owner 福建省尤溪县绿地生物制品有限公司
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