Beach saline-alkali soil conditioner with both soil improvement and fertilizer efficiency and preparation method and application thereof

A technology of soil improver and saline-alkali land, applied in the field of soil improver and its preparation, can solve the problems of low organic matter and nutrient content, high salt content, etc., achieve the effect of increasing plant biomass, reducing soil salinity, and promoting plant growth

Active Publication Date: 2016-10-26
YANGZHOU UNIV
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  • Application Information

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Problems solved by technology

[0004] Aiming at a series of practical problems such as high salinity content, low organic matter and nutrient content in tidal flat saline-alkali land at present, the present invention provides a tidal flat saline-alkali land soil improver with functions of soil improvement and fertilizer efficiency, its preparation method and application

Method used

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  • Beach saline-alkali soil conditioner with both soil improvement and fertilizer efficiency and preparation method and application thereof
  • Beach saline-alkali soil conditioner with both soil improvement and fertilizer efficiency and preparation method and application thereof
  • Beach saline-alkali soil conditioner with both soil improvement and fertilizer efficiency and preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0029] In moderately saline-alkali coastal beaches, the salinity content of the 0-20cm surface soil is 7.76g / kg, and the soil pH is 9.26. Test location: Fanglingken District, Rudong City, Jiangsu Province; test time: June 2014-September 2014. The test plot was reclamated in 2000, and no artificial reclamation measures were carried out after the reclamation.

[0030] The field random block experiment was adopted, and the area of ​​each plot was 4.0m×4.0m. In the experiment, 7 treatments were set according to different soil amendment formulations, namely CK, S1, S2, S3, S4, S5, and S6, and each treatment was repeated 3 times. In June 2014, the improver was applied to each plot, and the sludge was mixed with the 0-20cm plow layer soil with a rotary tiller. In September 2014, soil samples were collected for measurement and analysis.

[0031] Among them, CK: blank, without any modifier, and other measures are exactly the same;

[0032] S1: 70 parts of domestic sludge; 1.5 parts ...

Embodiment 2

[0044] In light, medium and severe saline-alkali land along the coast, the salinity content of the 0-20cm surface soil is 3.75g / kg, 7.82g / kg, 9.21g / kg respectively, and the soil pH is 8.46, 8.87, 9.33 respectively. Test location: Fanglingken District, Rudong City, Jiangsu Province; test time: October 2014-May 2015. The test plot was reclamated in 2000, and no artificial reclamation measures were carried out after the reclamation.

[0045] The field random block experiment was adopted, and the area of ​​each plot was 4.0m×4.0m. In the test, 6 treatments were set up according to the formula of soil improver S5 with different dosages, respectively 0, 1, 2, 5, 10, 15 tons / mu, and each treatment was repeated 3 times. In October 2014, the improvement agent was applied to each plot, and the sludge was mixed with the 0-20cm plow layer soil with a rotary tiller. From November 2014 to May 2015, ryegrass plants were planted in each plot. The biomass of ryegrass was collected and measur...

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Abstract

The invention relates to a beach saline-alkali soil conditioner with both soil improvement and fertilizer efficiency and preparation and application methods thereof. The soil conditioner comprises according to parts by weight: 80-90 parts of domestic sludge, 1.5 parts of calcium oxide, 3.5-7.5 parts of biochar, and 5-11 parts of crop straw. The technical bottleneck in quickly conditioning beach soil at low cost is effectively solved; by combining the domestic sludge and biochar, it is possible to effectively promote the formation of beach soil aggregates, reduce soil salt return, reduce pH, increase oil organics content and nutrients such as N and P, effectively promote beach saline-alkali soil structural improvement and fertility improvement, and ensure backup resources for agricultural farmlands of China.

Description

technical field [0001] The invention relates to a soil improver for tidal flat saline-alkali land and its preparation and application method, in particular to a soil improver suitable for coastal saline-alkali land in my country and having functions of soil improvement and fertilizer efficiency, its preparation method and application. Background technique [0002] The tidal flat land resources in the eastern part of my country are extensive and large, and can be used as important reserve cultivated land resources. They are mainly distributed in the coastal areas from Liaoning in the north to Guangdong, Guangxi and Hainan in the south, with a total area of ​​about 2.1704 million hm 2 . In the past 50 years, tidal flat reclamation has developed rapidly as an effective means to achieve "balance of cultivated land occupation and compensation". my country has added 1.1 to 1.2 million hm2 through tidal flat reclamation. 2 land. According to the current sedimentation rate of rive...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04A01B79/02C09K17/40C09K101/00C09K109/00C05G3/80
CPCA01B79/02C05F7/00C05G3/80C09K17/40C09K2101/00C09K2109/00C05F11/00
Inventor 柏彦超臧彩云顾敏京邵宏波管永祥王绪奎左文刚薛伟杰梅丽娟赵海涛单玉华封克
Owner YANGZHOU UNIV
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