Method for improving saline-alkali soil into paddy field in three-dimensional space

A three-dimensional space, saline-alkali land technology, applied in the fields of soil preparation, agriculture, application, etc., can solve problems such as temporary solutions, not the root cause, and achieve quick results, less land occupation, and shorten the time for draining saline and alkaline water

Inactive Publication Date: 2013-10-23
陈秀海 +1
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  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the problem that the existing methods for treating saline-alkali land can only treat the symptoms but not the root cause, resulting in the alternate occurrence of "desalination" and "returning salt", and provides a method for improving saline-alkali land into paddy fields in three-dimensional space

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  • Method for improving saline-alkali soil into paddy field in three-dimensional space

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specific Embodiment approach 1

[0016] Specific implementation mode 1: This implementation mode is a method for improving saline-alkali land into paddy fields in three-dimensional space, which is specifically completed according to the following steps:

[0017] A method for improving saline-alkali land into paddy fields in three-dimensional space, which is specifically completed according to the following steps:

[0018] 1. Set up freshwater wells: set up two freshwater wells per square kilometer on the saline-alkali land to be improved with a water output of 160 to 200 tons per hour;

[0019] 2. Salt washing: 7 to 10 days before rice transplanting in spring, pump the groundwater in the freshwater well into the paddy field according to the water consumption of 100 tons / mu to 140 tons / mu, use a beater to beat, soak for 6 to 8 days after beating, Then drain all the water in the paddy field;

[0020] 3. Detection: Detect the salt content and pH value of the soil after salt washing in step 2. If it does not mee...

specific Embodiment approach 2

[0040] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 1, two freshwater wells per square kilometer are set on the saline-alkali land to be improved, with freshwater wells with a water output of 170 to 190 tons per hour. Others are the same as the first embodiment.

specific Embodiment approach 3

[0041] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that in step 1, two fresh water wells per square kilometer are provided with fresh water wells with a water output of 180 tons per hour on the saline-alkali land to be improved. Others are the same as the first embodiment.

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Abstract

The invention discloses a method for improving a saline-alkali soil into a paddy field in three-dimensional space, and relates to a method for improving the saline-alkali soil. The problems that an existing saline-alkali soil regulation method is only a temporary relief, and so that the phenomena of 'desalination' and 'accumulation of salt in the surface soil' can happen in an alternating mode are mainly solved. The method for improving the saline-alkali soil into the paddy field in the three-dimensional space includes the steps that first, two fresh water wells are arranged per square kilometer; second, salt-leaching is conducted; third, the salt content and the pH value of soil are detected after salt-leaching in the second step is finished; fourth, water is used in the growing period, wherein underground water in the fresh water wells is pumped out according to conventional operation so that the entire planting work, growing work and irrigating work in the growing period of paddies can be completed, namely the saline-alkali soil is improved into the paddy field. The method for improving the saline-alkali soil into the paddy field in the three-dimensional space has the advantages that occupied space is little, the construction period is short, and cost is low; time is short, the effect can be achieved rapidly, and the phenomenon of 'accumulation of salt in the surface soil' is avoided fundamentally; secondary pollution is reduced, and salt and alkali water discharging time is shortened; groundwater resources are exploited fully, efficiently, scientifically and reasonably; novel saline-alkali soil can not occur. The method is mainly used for improving the saline-alkali soil into the paddy field.

Description

technical field [0001] The invention relates to a method for improving saline-alkali land. Background technique [0002] In my country, the main purpose of saline-alkali land improvement is to reduce the soluble salt in saline-alkali soil to the extent that it will not harm the normal growth and maturity of crops, thereby increasing the precious arable land resources in our country. [0003] There are many ways to control saline-alkali land, but they all treat the symptoms rather than the root cause. The "mark" of saline-alkali land is the soluble "salt" in the pre-cultivable soil layer on the surface (different regions vary, but generally no more than 20 cm thick). The "salt" in the soil layer will poison crops to varying degrees depending on the content, affecting their growth and even survival; The soluble "salt" contained in this layer of soil will rise with the capillary water to the pre-cultivable soil layer after the surface water evaporates, and the phenomenon of "s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00
Inventor 陈秀海杨湘奎王子超
Owner 陈秀海
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