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Special conditioner for saline-alkali soil pea planting and preparation method and application thereof

A technology of saline-alkali soil and conditioner, applied in application, land preparation methods, soil conditioning materials, etc., can solve problems such as polluting the environment and occupying land, and achieve the goal of promoting plant growth, reducing emissions, and improving salinity and alkalinity. Effect

Inactive Publication Date: 2015-11-25
GUIZHOU KAILIN GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, 4.8-5.0 tons of phosphogypsum will be produced from 1 ton of phosphoric acid produced by the sulfuric acid method, and with the development of the phosphate fertilizer industry, the discharge of phosphogypsum is increasing year by year. As of 2011, the accumulation of phosphogypsum in my country has exceeded 250Mt. At the end of the "Twelfth Five-Year Plan", the annual output of phosphogypsum is about 70Mt, which not only pollutes the environment, but also occupies a large amount of land. However, the current comprehensive utilization rate of phosphogypsum is only about 10%. Therefore, the comprehensive utilization and harmless of phosphogypsum Processing has become an important task for the phosphate fertilizer industry
At present, there are no reports on the application of phosphogypsum combined with starch-polyacrylamide compound, decomposed chicken and duck manure, plant ash, bean dregs and vegetable dregs in saline-alkali soil pea planting, especially in Ningxia area.

Method used

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  • Special conditioner for saline-alkali soil pea planting and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Formula: phosphogypsum 400kg, chicken and duck manure 140kg, plant ash 160kg, bean dregs 80kg, vegetable dregs 70kg, starch-polyacrylamide compound 100kg

[0057] Preparation method: (1) take 30% of the total amount of phosphogypsum and pulverize it to 170 mesh, and pulverize the remaining phosphogypsum to 140 mesh, and set aside;

[0058] (2) The starch-polyacrylamide compound is pulverized to 140 mesh, and set aside:

[0059] (3) Mix chicken and duck manure, bean dregs, and vegetable dregs with a total amount of 55% evenly, loosely pile them up, and compost at a height of 1.5 meters. Compost and ferment at room temperature for 3-5 days. Evenly sprinkle 30% of the total amount of phosphogypsum powder in step (1) and the remaining chicken and duck manure, plant ash, bean dregs, and vegetable dregs, and ferment again for 15 days. Sealed with film, fermented at 25°C for 50 days, then dried at 130°C, crushed into 140 mesh, and set aside;

[0060] (4) Evenly mix the compo...

Embodiment 2

[0062] Formula: 250kg of phosphogypsum, 180kg of chicken and duck manure, 220kg of plant ash, 120kg of bean dregs, 100kg of vegetable dregs, 60kg of starch-polyacrylamide compound

[0063] Preparation method: (1) take 25% of the total amount of phosphogypsum and pulverize it to 200 mesh, and pulverize the remaining phosphogypsum to 100 mesh, and set aside;

[0064] (2) The starch-polyacrylamide compound is pulverized to 100 mesh, and set aside:

[0065] (3) Mix chicken and duck manure, bean dregs, and vegetable dregs with a total amount of 50% evenly, loosely pile them up, and compost at a height of 1 meter. Compost and ferment at room temperature for 3-5 days. Evenly sprinkle the phosphogypsum powder of step (1) with a total amount of 25% and the remaining chicken and duck manure, plant ash, bean dregs, vegetable dregs, ferment for 10 days again, turn the pile twice during the period, then compact the compost, and use soil or The film is sealed, fermented at 15°C for 60 days...

Embodiment 3

[0068] Formula: phosphogypsum 550kg, chicken and duck manure 100kg, plant ash 100kg, bean dregs 40kg, vegetable dregs 40kg, starch-polyacrylamide compound 140kg

[0069] Preparation method: (1) Take 35% of the total amount of phosphogypsum and pulverize to 140 mesh, and the remaining phosphogypsum is pulverized to 170 mesh, and set aside;

[0070] (2) The starch-polyacrylamide compound is pulverized to 170 mesh, and set aside:

[0071] (3) Mix chicken and duck manure, bean dregs, and vegetable dregs with a total amount of 60% evenly, loosely pile them up, and compost at a height of 2 meters. Compost and ferment at room temperature for 3-5 days. Evenly sprinkle 35% of the total amount of phosphogypsum powder in step (1) and the remaining chicken and duck manure, plant ash, bean dregs, and vegetable dregs, and ferment again for 12 days. Sealed with film, fermented at 30°C for 40 days, then dried at 120°C, crushed into 170 mesh, and set aside;

[0072] (4) Evenly mix the compos...

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Abstract

The invention relates to a special conditioner for saline-alkali soil pea planting and a preparation method and application thereof. The special conditioner for the saline-alkali soil pea planting consists of the following raw materials: ardealite, chicken and duck feces, plant ash, bean dreg, vegetable residue and a starch-polyacrylamide compound. The preparation method thereof comprises the steps of performing joint fermentation for partial ardealite and chicken and duck feces, and then mixing the fermented materials with the remaining ardealite and a water-retaining agent. By applying the conditioner provided by the invention to the moderate and heavy saline-alkali soil in Ningxia area, the efficacies of retaining water, retaining fertilizer, reducing salinity, loosening soil and the like are achieved, and the conditioner is especially suitable for the planting of peas in saline-alkali soil. Compared with the prior art, the conditioner has the characteristics that the preparation method of the conditioner is simple, the soil application and the treatment are simple, convenient and feasible, the pH of the soil is appropriate, the organic matter components are rich and the like, moreover the growth of the peas in Ningxia saline-alkali areas can be fully promoted, the yield can be increased, the content of nutritional components in the peas is increased, and the conditioner is an ideal special conditioner for pea planting.

Description

technical field [0001] The invention relates to a special improver for pea planting in saline-alkali soil, a preparation method and application thereof, and belongs to the technical field of soil improvement. technical background [0002] Saline-alkali soil is a widely distributed soil type on the earth. The current area of ​​saline-alkali soil in the world is about 954 million hm 2 , distributed in the arid regions of all continents in the world, the total amount of saline-alkali soil resources in my country is about 99.13 million hm 2 , mainly distributed in the inland areas of Northeast China, North China, Northwest China and the coastal area north of the Yangtze River. Depending on the distribution of regions, saline-alkali soil is divided into four major types: coastal saline area, Huanghuai-Hai plain saline area, desert and desert plain saline area, and grassland saline area; in the process of utilization, it can be divided into light saline-alkali land ( Salt conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C05G3/04A01B79/02C09K101/00C09K109/00C05G3/80
Inventor 王彩艳蒋俊蕊何花舒茜冉龙涛唐丽君
Owner GUIZHOU KAILIN GRP CO LTD
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