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Humic acid in peat particle and preparation method thereof

A peat humic acid and humic acid technology, applied in the direction of calcium/strontium/barium oxide/hydroxide, etc., can solve the problems of slow effect, slow process, single nutrient, etc., to increase soil organic matter, low cost, and mediate soil The effect of acid-base environment

Inactive Publication Date: 2007-12-05
NORTHEAST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After peat particles enter the soil, they rely on peat to decompose under natural conditions and release organic matter. This process is relatively slow, and most peat moss is acidic, so this kind of peat particles has the problem of relatively single nutrient and slow effect

Method used

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  • Humic acid in peat particle and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Select peat with a decomposition degree of 20% and a humic acid content of 20%, air-dry naturally to a water content of 35%, then crush it to 2mm with a pulverizer, weigh 1kg of peat on the upper part of the sieve, add 1250ml of 20% ammonia solution, and stir evenly. Heat to boiling and react for 10min. After static precipitation for one day, the supernatant was extracted by siphon method, diluted to 1 / 10000, and neutralized with 0.5% sulfuric acid to pH 6, which was liquid humate. Select herbal peat with a decomposition degree of 25% and an ash content of 30%, air-dry it naturally, control its moisture content at 55%, and send it into the mixer at a weight ratio of 1:0.05, while adding the above-mentioned humate , while stirring, sent to the granulator, granulated by the flying knife method for 3 minutes, polished and shaped, sent to the dryer, dried at 70°C for 25 minutes, cooled after coming out, and then packed into bags.

Embodiment 2

[0024] Select the lignite with humic acid content of 30%, naturally air-dry to 20% water content, then pulverize to 2mm with a pulverizer, weigh 1kg of lignite on the top of the sieve, add 1500ml of 1% sodium hydroxide solution, stir evenly, and heat to boiling. React for 10 minutes. After static precipitation for one day, the supernatant was extracted by siphon method, diluted to 5 / 10000, and neutralized with 0.5% sulfuric acid to pH 7, which was liquid humate. Select herbal peat with a decomposition degree of 25% and an ash content of 20%, air-dry it naturally, control its moisture content at 65%, and send it into the mixer at a weight ratio of 1:0.08, while adding the above-mentioned humate , while stirring, sent to the granulator, granulated by the flying knife method for 4 minutes, polished and shaped, sent to the dryer, dried at 100°C for 30 minutes, cooled after coming out, and then packed into bags.

Embodiment 3

[0026] Select weathered coal with a humic acid content of 40%, air-dry naturally to a water content of 20%, then crush it to 2 mm with a pulverizer, weigh 1 kg of weathered coal on the upper part of the sieve, add 1000 ml of 2% potassium hydroxide solution, stir evenly, and heat to Boiling, reaction 15min. After static precipitation for one day, the supernatant was extracted by siphon method, diluted to 3 / 10000, and neutralized with 0.5% sulfuric acid to pH 8, which was liquid humate. Select herbal peat with a decomposition degree of 25% and an ash content of 25%, air-dry it naturally, control its water content at 60%, and send it into the mixer at a weight ratio of 1:0.1, while adding the above-mentioned humate , while stirring, sent to the granulator, granulated by the flying knife method for 4 minutes, polished and shaped, sent to the dryer, dried at 150°C for 25 minutes, cooled after coming out, and then packed into bags.

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Abstract

The present invention belongs to the field of soil and fertilizer, and is especially one kind of organic material comprising turf and humate and its preparation process. The organic material is granular organic fertilizer prepared through spraying humate to turf and granulating, the turf is grass peat with medium decomposition degree and ash content below 50 %, and the humate is potassium humate, sodium humate or ammonium humate from turf, lignite or weathered coal. The organic material of the present invention can increase organic matter content in soil, improve soil aggregate structure of and proportion among solid phase, liquid phase and gas phase in soil, promote plant growth, raise potash fertilizer and phosphate fertilizer utilizing rate and raise agricultural product quality, has other advantages, and is suitable for various types of soil.

Description

technical field [0001] The invention belongs to soil fertilizer, in particular to an organic material composed of peat and humate and a preparation method thereof. Background technique [0002] Preventing land degradation and improving soil organic matter is a long-term basic measure. Organic matter is an important indicator of soil fertility. It can affect the physical, chemical and biological properties of soil, maintain and improve soil structure, supply soil microorganisms with carbon sources, and promote their reproductive activities. Therefore, organic matter is an important indicator in organic fertilizers, organic-inorganic compound fertilizers, compound fertilizers and BB fertilizers. At present, the method of increasing soil organic matter is often to add organic materials to the soil or add various granular fertilizers made from these organic materials. [0003] The main materials for making organic fertilizers in my country come from the following aspects: 1. T...

Claims

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Application Information

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IPC IPC(8): C01F11/02
Inventor 赵红艳张则友
Owner NORTHEAST NORMAL UNIVERSITY
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