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Salsola collina soil conditioner and preparation method thereof

A soil conditioner, the technology of vetch, which is applied in the field of vetch, can solve the problems that the soil conditioner has not been reported, and achieve the effects of improving soil physical and chemical properties, increasing soil fertility, and applying novelty

Inactive Publication Date: 2017-02-22
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many researches on the field of medicinal chemistry of pigskin, but it has not been reported as a soil conditioner

Method used

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  • Salsola collina soil conditioner and preparation method thereof
  • Salsola collina soil conditioner and preparation method thereof
  • Salsola collina soil conditioner and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preparation method of pig hair vegetable soil conditioner, comprising the following steps:

[0020] 1) Cut 100.00g of air-dried pork hair into small pieces of 2-3cm;

[0021] 2) put it into a muffle furnace, and carbonize at 300°C for 2 hours;

[0022] 3) After cooling to room temperature, crush it into a powder with a diameter of less than 2mm, collect biochar, and obtain a soil conditioner, which is designated as B300.

[0023] Non-carbonated pigtails were used as the control group.

[0024] Biochar 10.00g in 100mL without CO 2 Shake in distilled water for 30 minutes, measure the pH value of the filtrate with a UB-7 precision pH meter, measure EC with a conductivity meter, measure organic carbon with a potassium dichromate volumetric method, measure nitrogen with a Kejeldal method, and measure phosphorus with a molybdenum-antimony anti-colorimetric method Determination, K + and Na + Measured with FP 640 Flame Photometer, Ca 2+ and Mg 2+ Measured by ICP. Ash ...

Embodiment 2

[0031] The preparation steps are the same as in Example 1, except that the carbonization temperature in step 2) is 500°C. Get the soil conditioner, denoted as B500. Non-carbonated pigtails were used as the control group.

[0032] The specific test results are shown in Table 1, Table 2, and Table 3.

Embodiment 3

[0034] The preparation steps are the same as in Example 1, except that the carbonization temperature in step 2) is 700°C. Obtain soil conditioner, denoted as B700. Non-carbonated pigtails were used as the control group.

[0035] The specific test results are shown in Table 1, Table 2, and Table 3.

[0036] Table 1 The chemical properties of the biochars carbonized for 2 h at 300 °C, 500 °C and 700 °C

[0037]

[0038] It can be seen from Table 1 that compared with non-carbonized pigtail, after carbonization, H, O, N, H / C, O / C, water-soluble organic C (WSOC), water-soluble N (WSN), water-soluble P(WSP), Mg 2+ The content decreases, and decreases with the height of the cracking temperature, K + 、Na + Content, pH, EC, ash increased, and increased with the increase of pyrolysis temperature. The lower the ratio of H / C and O / C, the higher the degree of carbonization, the higher the corresponding aromaticity, the more negative charges on the surface, and the higher adsorptio...

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Abstract

The invention belongs to the field of application of salsola collina, and discloses a salsola collina soil conditioner and a preparation method thereof. The method comprises the steps that salsola collina is adopted as a raw material, carbonization treatment is performed under the conditions of high temperature and oxygen deficiency, and the salsola collina is smashed to form the salsola collina soil conditioner. The soil conditioner can improve the physical and chemical characters of soil, improve the soil fertility and have the effects of fixing carbon and reducing discharge. The salsola collina soil conditioner is novel in application, simple in technology and low in cost and fills the gap in the field of soil conditioners with salsola collina.

Description

technical field [0001] The invention belongs to the field of application of pigskin, and in particular relates to a pigskin soil conditioner and a preparation method thereof. Background technique [0002] The global area of ​​saline-alkali land is about 9.5×10 9 hm 2 , China has about 3.7×10 7 hm 2 , accounting for about 5% of the arable land area. On this vast saline-alkali land, more than 1,500 kinds of halophytes grow, and their biomass resources are very considerable. The development of these halophyte resources can not only make rational use of saline-alkali land resources, but also help improve the local harsh ecological environment. [0003] Pyrolysis is one of the important technical measures to utilize biomass resources. Its main products, bio-oil and biogas, can be directly used as fuel or as chemical raw materials; , It has a huge surface area, a variety of functional groups on the surface, positive and negative charges, and a strong ability to adsorb anions...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C09K101/00
CPCC09K17/40C09K2101/00
Inventor 林启美岳燕李贵桐赵小蓉
Owner CHINA AGRI UNIV
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