A kind of sandy farmland water conservation method

A technology for farmland and sandy land, applied in the field of water conservation in sandy land, can solve the problems of damage and low efficiency, and achieve the effect of promoting pooling, avoiding leakage, and good water and fertilizer retention

Active Publication Date: 2022-07-12
SHANXI UNIV
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  • Description
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AI Technical Summary

Problems solved by technology

[0007] The sand water retention technology in the above patents is mainly used to irrigate farmland or plant trees; the lower layer of the lining film anti-seepage technology needs to dig trenches, and the efficiency is low when the trenches are deep; after the anti-seepage sand is laid, it will be destroyed during farming

Method used

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  • A kind of sandy farmland water conservation method
  • A kind of sandy farmland water conservation method

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Embodiment approach

[0032] The present invention can be used for single-row double-plant hole-making planting corn on the sandy ground of chestnut cinnamon soil area with uniform profile, and its embodiment is as follows:

[0033] Step 1: Positioning. After the corn harvest in the previous year (the end of September or the beginning of October), drill holes 4 for positioning according to the size of the farmland plot, insert a wooden stick or straw into the center of each hole for marking, and drill holes 4 in a staggered arrangement of plum blossom piles. The spacing between the holes in the row is 40cm, with a row spacing of 50cm.

[0034] Step 2: Take the topsoil. Before drilling hole 4, shovel out the topsoil with a depth of 10cm within 410cm of the hole, and put it on a piece of plastic film. The shovel is about 20cm away from the center of hole 4.

[0035] Step 3: Drill holes 4. Use the trolley ground drill to drill holes 4 according to the marked positions, the diameter of the hole 4 is...

Embodiment 2

[0041] Step 1: Positioning. After the harvest of the previous crop in the autumn of the previous year (the end of September or the beginning of October), drill holes 4 for positioning according to the size of the farmland, insert a wooden stick or straw into the center of each hole for marking, and drill holes 4 in a staggered arrangement of plum blossom piles. The hole spacing is 40cm and the row spacing is 60cm.

[0042] Step 2: Take the topsoil. Before drilling hole 4, shovel out the topsoil with a depth of 10cm within 410cm of the hole, and put it on a piece of plastic film. The shovel is about 20cm away from the center of hole 4.

[0043] Step 3: Drill holes 4. Use the trolley ground drill to drill holes 4 according to the marked positions, the diameter of the hole 4 is 20cm, and the depth of the hole 4 is 80cm.

[0044] Step 4: Make the outer non-woven bag of the anti-seepage bag 1 ( figure 2 ). A double-layer anti-seepage bag outer non-woven bag 1 with a diameter ...

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Abstract

The invention discloses a sandy farmland water conservation method in the technical field of sandy land remediation. The specific steps of the method include in-situ stripping of topsoil, drilling holes, placing anti-seepage bags, covering the holes for water collection, The combination of hole making, anti-seepage bag planting measures and film mulching measures around the hole forms a soil profile spatial structure in which the underground local water barrier and the surface local catchment are coupled in dry farmland, which can reduce the leakage of precipitation into the deep soil. At the same time, the precipitation is collected to the crop planting area, and the collected rainwater is stored in the soil layer around the root system in the middle and lower parts, which is conducive to reducing surface evaporation and ensuring the water demand of crops during drought, thereby reducing the decline in crop yield caused by drought. To achieve better water and fertilizer retention effect, at the same time, the materials used are all degradable materials, and solid wastes such as straw can also be effectively used.

Description

technical field [0001] The invention relates to the technical field of sandy land remediation, in particular to a method for water conservation of sandy farmland. Background technique [0002] Most of the farmland in northern my country is dry farming. Insufficient precipitation and lack of irrigation restrict the growth and yield of crops. Sandy soil is more likely to infiltrate, causing water and fertilizer leakage. It is difficult to maintain the soil in the root range of crops. susceptible to drought. The technology of water conservation around sandy farmland mainly includes technologies such as ridge and furrow preparation, soil surface film mulching, incorporation of structural modifier, addition of water retention agent, and lower soil lining film. Membrane can collect water around the hole surface, increase water storage locally around the lower root system, reduce water leakage and fertilizer leakage, and achieve the purpose of drought resistance and high yield of c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/00A01B79/02A01G22/20
CPCA01B79/00A01B79/02A01G22/20Y02A20/108
Inventor 王兵王晓军刘志平杨振兴解文艳周怀平黄学芳
Owner SHANXI UNIV
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