Organic fertilizer special for soil of tidal flat and saline-alkaline land and preparation method and application thereof

A technology for organic fertilizer and saline-alkali land, which is applied to the special organic fertilizer for tidal flat saline-alkali land soil and the fields of its preparation and application, can solve the problems of high salt content, low organic matter and nutrient content, etc., to reduce soil salt, increase plant biomass, and increase CEC. Effect

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

AI Technical Summary

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-a...

Method used

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  • Organic fertilizer special for soil of tidal flat and saline-alkaline land and preparation method and application thereof
  • Organic fertilizer special for soil of tidal flat and saline-alkaline land and preparation method and application thereof
  • Organic fertilizer special for soil of tidal flat and saline-alkaline land and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In moderately saline-alkali coastal beaches, the salinity content of the 0-20cm surface soil is 8.53g / kg, and the soil pH is 9.10. 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.

[0029] The field random block experiment was adopted, and the area of ​​each plot was 4.0m×4.0m. According to different special organic fertilizer formulas, 6 treatments were set up in the experiment, namely CK, N1, N2, N3, N4, N5, and each treatment was repeated 3 times. In June 2014, special organic fertilizers for saline-alkali mudflat soil were applied to each plot, and the sludge was mixed with the 0-20 cm plow layer soil with a rotary tiller. In September 2014, soil samples were collected for measurement and analysis.

[0030] Among them, CK: blank, without applying any organic fertilizer, and other measures are...

Embodiment 2

[0042] In light, medium and severe saline-alkali land along the coast, the salinity content of the 0-20cm surface soil is 3.87g / kg, 8.53g / kg, 9.55g / kg respectively, and the soil pH is 8.68, 9.10, 9.19 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.

[0043]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 organic fertilizer N4 specially used for tidal flat saline-alkali soil, which were 0, 2, 4, 6, 8, and 10 tons / mu, and each treatment was repeated 3 times. In October 2014, the special organic fertilizer for saline-alkali soil was applied to each plot, and the sludge was mixed with the 0-20 cm plow layer soil with a rotary tiller. From November 2014 to May 2015, ryegrass plants were...

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Abstract

The invention relates to organic fertilizer special for soil of tidal flat and saline-alkaline land and a preparation method and application thereof. The organic fertilizer comprises, by mass, 85-90 parts of cow dung, 5-10 parts of crop straw, 2 parts of calcium sulfate and 3 parts of charcoal. The technical bottleneck in quick improvement of the soil of the tidal flat and the saline-alkaline land is solved effectively; the special organic fertilizer is prepared from the cow dung, the crop straw, calcium sulfate and charcoal, so that formation of tidal flat soil aggregate can be facilitated effectively, soil resalinization can be reduced, pH can be lowered, organic matters and nutrients like N and P of the soil can be increased, structural improvement and fertilization of the soil of the tidal flat and the saline-alkaline land are promoted effectively, and a guarantee is provided for increasing agricultural cultivated land reserves of China.

Description

technical field [0001] The invention relates to a special organic fertilizer for tidal flat saline-alkali soil and a preparation and application method thereof, in particular to a soil-specific organic fertilizer suitable for coastal saline-alkali land in my country and having the functions of soil improvement and fertilizer efficiency, a preparation method and application thereof. 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. Acc...

Claims

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Application Information

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IPC IPC(8): C05G1/00A01B79/02
CPCA01B79/02C05D3/00C05D9/00C05F3/00C05F11/00C05F11/08
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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