Method for improving saline-alkali land by planting seashore paspalum

Abstract

The invention provides a method for improving a saline-alkali land by planting seashore paspalum, which comprises the following steps of: 1) ditching the saline-alkali land to form a drainage channeland a planting area; wherein the planting area is laid with a crushed stone layer, the upper part of the crushed stone layer is laid with a straw layer, the upper part of the straw layer is laid withsalt discharge pipes, and the upper part of the salt discharge pipes is laid with soil mixed with improved fertilizer to form a planting layer; 2) constructing a nursery garden in the planting area, and planting the stems of the seashore paspalum; 3) managing maintenance. According to the invention, the severe saline-alkali land is comprehensively improved by adopting the measures such as irrigation and drainage for removing salt, salt return prevention through the isolation layer, chemical salt modification, biological salt control and the like, and the effect of rapid improvement is achieved. By using the method, the synergistic effect between the root system and the improvement fertilizer during the growth of the seashore paspalum in the first year intensively improves the saline-alkaliland; on the basis of continuous application of the improvement fertilizer in the second year, the improvement requirement is basically met, and the improvement can be advanced by more than 5 years compared with a prior method.

Description

technical field [0001] The invention belongs to the technical field of ecological management, and in particular relates to a method for improving saline-alkali land by planting seashore paspalum. Background technique [0002] Most of the saline-alkali soil is related to the accumulation of carbonate in the soil, the degree of alkalinity is generally high, and plants in severe saline-alkali soil areas can hardly survive. However, there are more or less shortcomings in the various saline-alkali land improvement methods that currently exist. When each method is used alone, it basically treats the symptoms but not the root cause. Therefore, it is urgent to develop a scientific and effective comprehensive treatment method to improve saline-alkali land. , fundamentally improve the saline-alkali land, and then use the improved saline-alkali land to plant corresponding economic crops, maintain and improve the improvement effect and bring economic benefits. It is the most effective ...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems of high salt content, poor soil structure, inability to grow crops, high improvement cost and long time in severe saline-alkali land, and provide a method for improving saline-alkali land by planting seashore paspalum

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