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Improver for basic soil and preparation method thereof

A soil improver, alkaline technology, applied in the field of alkaline soil improver and its preparation, can solve the problem of not being able to effectively improve saline-alkali soil and reduce the pH value of the soil solution from the root, and the improver does not have the ability to improve soil quality To achieve the effect of enhancing cycle operation efficiency, reducing total salt content, and reducing soil bulk density

Inactive Publication Date: 2018-06-29
金华市铁骑士生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The Chinese invention patent of CN 102559197 B discloses a saline-alkali soil improver and a preparation method thereof. The improver is made by mixing amino acids, urea, acetic acid, sodium nitrophenolate and water, and has the advantages of simple process and low cost. The component sodium nitrophenolate has the function of revitalizing plant cells, amino acids and urea have the function of increasing nutrition, and only acetic acid has a slight alkali neutralization function, so its ability to reduce the pH value of the soil solution is limited, and this amendment does not have the ability to improve soil The function of soil quality cannot reduce the concentration of base ions in the soil solution, so it cannot effectively improve saline-alkali soil from the root, and has no promotion value

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0020] Alkaline soil improver, its composition and parts by weight are: 35 parts of sorghum stalk activated carbon, 40 parts of fermented corn stalk powder, 120 parts of organic ecological fertilizer, 16 parts of urea, 10 parts of diammonium hydrogen phosphate, 10 parts of desulfurized gypsum, 8 parts of coal flue gas desulfurization waste, 24 parts of vinegar residue, 18 parts of distiller's grains, 40 parts of furfural residue, 8 parts of water retaining agent, 18 parts of aluminum sulfate, 10 parts of zinc sulfate, 13 parts of ferrous sulfate, 50 parts of sulfur; soil improvement Amendment can not only enhance soil carbon fixation and water retention, but also effectively increase soil nutrient retention, reduce soil bulk density, and increase soil porosity, and the substitution capacity of di- and trivalent metal ions rich in the amendment is greater than that of the base The ion substitution ability of sodium ion and potassium ion, the base ions on the colloidal surface of...

Embodiment 2

[0022] The preparation method of alkaline soil conditioner comprises the following steps:

[0023]1) Weigh the dried sorghum straw powder and concentrated phosphoric acid and mix uniformly at a ratio of 1:0.85. After fully stirring, use a kneader to knead at 105°C for 30 minutes. After kneading, the sample is granulated to a diameter of 3.5 mm and a length of 6.5 mm. After the sample is hardened, phosphoric acid activation is carried out in a high-temperature furnace. When the temperature of the furnace rises to 500 ° C, the sample is placed and kept for 10 minutes. After activation, the sample is cooled to room temperature, washed with deionized water until neutral, and baked. After drying, it is the phosphoric acid-activated sample; 2) Take the phosphoric acid-activated sample and place it in the high-temperature furnace again, feed water at a rate of 20mL / min, and reactivate for 1.5 hours in a steam atmosphere at 680°C, and cool the sample to room temperature after activatio...

Embodiment 3

[0025] The preparation method of the alkaline soil improver includes: phosphoric acid activation, steam activation, fermented corn stalks, composting, compound improver, specifically including the following steps:

[0026] Phosphoric acid activation: Weigh the dried sorghum stalk powder and concentrated phosphoric acid and mix them uniformly at a ratio of 1:0.92. After fully stirring, use a kneader to knead at a temperature of 108°C for 45 minutes. mm columnar particles, after the sample is hardened, phosphoric acid activation is carried out in a high-temperature furnace. When the temperature of the furnace rises to 510 ° C, the sample is placed and kept for 12 minutes. After activation, the sample is cooled to room temperature and washed with deionized water until neutral. After drying, it is a sample activated by phosphoric acid; high-temperature activation of phosphoric acid can cause a large number of micropores to appear on the surface of sorghum straw powder, reduce the s...

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Abstract

The invention discloses an improver for basic soil and a preparation method thereof. The improver for the basic soil is prepared from the following components in parts by weight: 30 to 40 parts of sorghum straw activated carbon, 35 to 42 parts of fermented maize straw powder, 120 to 130 parts of organic ecological fertilizer, 15 to 18 parts of urea, 10 to 12 parts of diammonium hydrogen phosphate,8 to 10 parts of flue gas desulfurization gypsum, 8 to 10 parts of coal-fired flue gas desulfurization waste, 20 to 25 parts of vinegar residue, 15 to 20 parts of vinasse, 30 to 45 parts of furfuralresidue, 8 to 10 parts of water-retaining agent, 15 to 20 parts of aluminum sulfate, 10 to 12 parts of zinc sulfate, 12 to 14 parts of ferrous sulfate and 30 to 50 parts of sulfur. The improver has the beneficial effects that the improver for the basic soil can be used for fundamentally decreasing the pH (potential of Hydrogen) value of a soil solution, is used for ameliorating the basic trait ofthe soil; the preparation method of the improver is simple, easy and feasible, and is low in cost and short in time, and the improver is suitable for the large-scale improvement on the basic soil.

Description

technical field [0001] The invention relates to the field of soil improvers, in particular to an alkaline soil improver and a preparation method thereof. technical background [0002] Alkaline soil refers to the soil with a pH value greater than 7, that is, the concentration of hydroxide ions in the soil solution is greater than the concentration of hydrogen ions. In practice, it refers to soil with a pH value above 7.3. Generally, it includes calcareous soil, saline soil and alkaline soil. The alkaline reaction of soil is OH in the soil solution - Ion concentration exceeds H + Reflected by the ion concentration, OH in the solution - The size of the ion concentration shows the strength of soil alkalinity, or in other words, the higher the pH value, the stronger the alkalinity. Soils with a pH less than 7 are acidic soils, and soils with a pH greater than 7 are alkaline soils. The acidity and alkalinity of soil in our country vary, and the north of the Yangtze River is m...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C09K17/40C09K101/00C09K109/00C05G3/80
CPCC05B7/00C05G3/00C05G3/80C09K17/40C09K2101/00C09K2109/00C05C9/00C05D3/02C05D9/00C05D9/02C05F3/00C05F5/006C05F5/008C05F11/00C05F11/02C05F11/08C05F17/80
Inventor 全盈园
Owner 金华市铁骑士生物科技有限公司
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