Method for improving medium or serious saline and alkaline land by the sea, and comprehensive utilization of the same

A saline-alkali land, coastal technology, applied in land preparation methods, fertilization methods, botanical equipment and methods, etc., can solve the problems of low crop cultivation and breeding yield, difficulty in long-term promotion and use, lack of technical measures, etc. Low risk, effect of increasing water surface and arable land area

Inactive Publication Date: 2007-10-03
薄学锋
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AI Technical Summary

Problems solved by technology

The above several ways and methods of saline-alkali land improvement provide a certain basis for the early stage improvement of saline-alkali land, but there is a lack of specific technical measures, especially for the lack of further technical measures for the later utilization of terraced fields and ponds after the early stage improvement, often The phenomenon of returning to salinity and alkali causes low crop cultivation and breeding yields, making it difficult to promote and use for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Soil types and their characteristics before improvement

[0016] The natural soils distributed in the test area are all developed on the marine sediments. The soil is in the juvenile stage, and the soil-forming age is relatively late. The soil texture is mainly sandy loam, and the main soil types are coastal salinized fluvo-aquic soil and coastal tidal saline soil. Salinized fluvo-aquic soil is formed by the addition of salinization process in the dominant soil-forming process of fluvo-aquic soil. It is a transitional type between fluvo-aquic soil and saline soil. It belongs to saline soil with saline soil and has the same soil-forming conditions and soil-forming characteristics. , but the amount of salt accumulation in the topsoil or soil is different. Generally, the salt content of the plow layer is 0.1-0.8%. Salinized fluvo-aquic soil is formed under the condition of high mineralization and phreatic water. The ground elevation of the salinized fluvo-aquic soil is a...

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Abstract

A method for improving and utilizing the serious saline-alkaline land at seaside includes such areas as digging ponds to build high-level field, arranging water supplying and draining ditches in the field, planting agricultural crops in the high-level field, and culturing aquatic animals in ponds.

Description

technical field [0001] The invention relates to a method for improving and comprehensively utilizing saline-alkali land, in particular to a method for improving and comprehensively utilizing heavy saline-alkali land in coastal areas. Background technique [0002] my country has a vast coastal zone, and there are a large number of medium-to-severe saline-alkali land resources around the coastal zone, especially in the Yellow River Delta. With the decrease of the water diversion of the Yellow River and the passage of time, the salinization of the land will become more and more serious. The salinization of the land has always been a problem. Prominent factors beset local rural economic development. Saline-alkali land is an important reserve land resource for the development of the Yellow River Delta. The vast saline-alkali land contains huge potential for the development of fishery and agriculture economy. If this land resource can be used scientifically and rationally, the reso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00B09C1/02B09C1/10E02B11/00E02B7/00E02B8/00A01B79/00A01G1/00A01C21/00A01K61/00
CPCY02A40/81
Inventor 薄学锋刘金明段美平赵艳
Owner 薄学锋
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