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Method for improving fertility of coastal saline-alkali soil in East China by utilizing seashore paspalum

A technology for seaside paspalum and saline-alkali soil is applied in the fields of land preparation methods, botanical equipment and methods, applications, etc., and can solve the problems of high salt content, poor soil structure, and high improvement costs

Inactive Publication Date: 2018-05-22
LUDONG UNIVERSITY
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the problems of high salinity, poor soil structure, inability to grow crops, high cost of improvement and long time in the severely saline-alkali land of East China coastal area, and provide a method for improving the fertility of East China coastal saline-alkali soil by using seashore paspalum

Method used

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  • Method for improving fertility of coastal saline-alkali soil in East China by utilizing seashore paspalum

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0023] This method:

[0024] ①Saline-alkali soil finishing-1

[0025] In view of the characteristics of severe saline-alkali land that is sticky when wet, hard when dry, poor ventilation and water permeability, use 10-15 cubic meters of organic fertilizer per mu, including manure, compost and peat, and plow 10-30 cm deep; The topsoil should be flattened with a roller to make it compact, and the potholes must be filled up, otherwise the accumulation of water will cause the death of the bermudagrass, which is not conducive to pruning;

[0026] ②Plant salt-tolerant turf-2

[0027] June-August is the rainy season, and the salt content of the soil decreases, so it is the best season to plant salt-tolerant seaside paspalum turf on severely saline-alkali land; cut the turf into 30-50cm×30-100cm turf pieces, with 1.0-2.0cm of soil , should not be too thick, so as not to be too heavy, and it i...

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Abstract

The invention discloses a method for improving fertility of coastal saline-alkali soil in East China by utilizing seashore paspalum, and relates to the field of ecological treatment of heavy saline-alkali land. The method utilizes salt-tolerant turfgrass and selects the seashore paspalum for high-efficiency rapid improvement of the coastal saline-alkali land; and the method comprises the followingsteps: (1) preparation of the saline-alkali soil; (2) planting of salt-tolerant turf; and (3) maintenance management. The method provided by the invention has the following advantages and positive effects: 1, the selected salt-tolerant seashore paspalum can efficiently and rapidly improve the saline-alkali land; 2, the turf is spread and planted in a rainy season of which the soil content is relatively low, so that vegetations can be quickly established, moisture evaporation of the soil can be inhibited, raising of the salt content of the soil is controlled, and the purpose of improving the soil in the saline-alkaline land is achieved; and 3, the selected seashore paspalum is a salt-tolerant herbaceous plant selected by a laboratory for a plurality of years, and suitable for the ecological recovery of the saline-alkali land, and especially facilitates stability of an ecological system of the saline-alkali land.

Description

technical field [0001] The invention relates to the field of coastal severe saline-alkali land ecological management, in particular to a method for improving the fertility of East China coastal saline-alkali soil by using seaside paspalum. Background technique [0002] my country has 550 million mu of various available saline-alkali land resources and 33.7 million mu of severe saline-alkali land, which is the largest reserve cultivated land resource. Domestic improvement and utilization methods and technologies of saline-alkali land are summarized as follows: ① Physical improvement; ② Water conservancy improvement; ③ Chemical improvement; ④ Biological improvement. [0003] Among the various measures to improve saline-alkali soil, from the perspective of saline-alkali land remediation efforts, salt-removal effects, and the scope of popularization, among various saline-alkali land improvement technical methods, using engineering drainage to wash salt is an important water cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G20/10A01G25/00
CPCA01B79/02A01G25/00
Inventor 傅金民
Owner LUDONG UNIVERSITY
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