Covering, infiltration and leaching device for saline-alkali soil improvement, and saline-alkali soil improvement engineering operation method
A technology of saline-alkali soil and dipping, which is applied in land preparation methods, watering devices, botanical equipment and methods, etc., can solve the problems of large amount of engineering and blocking salt return, and achieves reduction of consumption, shortening of engineering period, and reduction of treatment engineering amount. Effect
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Embodiment 1
[0065] This embodiment discloses a saline-alkali land improvement covering immersion device, which includes a fixed bracket 104 and a cover assembly 105. The fixed bracket 104 is used to be installed on a walking device. Constitute a working vehicle with the traveling wheels 106, and the traveling device is used to drive the fixed support 104 to move in the saline-alkali land 110;
[0066] Wherein, a plurality of drip irrigation branch pipes 107 are arranged on the fixed support 104, and the drip irrigation branch pipes 107 are connected with the main pipe 108 of drip irrigation, and a plurality of drip irrigation heads 109 are arranged on each drip irrigation branch pipe 107;
[0067] The covering assembly 105 is used to be arranged in the saline-alkaline ground 110 to be soaked, and the fixed support 104 moves back and forth in the saline-alkaline ground 110 under the drive of the walking device.
[0068] In actual use, it is mainly used to realize the treatment of saline-al...
Embodiment 2
[0076] see Figure 1-Figure 3 , this embodiment discloses a saline-alkali land improvement engineering operation method, comprising the following steps:
[0077] Step 1: Dredging the canal system, specifically including the construction of underground alkali discharge pipes, ditches or tunnels; wherein, the depth is controlled between 1-1.5 meters to create landform conditions that are conducive to salt washing and salt discharge;
[0078] Step 2: Leveling the land; leveling the land can reduce surface runoff, improve the effect of raining salt or washing salt with water, or snow melting in winter to reduce salt, and at the same time prevent depressions from being flooded and high places from returning to salt, thereby improving the governance effect.
[0079] Step 3: Shock wave blasting and deep loosening of 0.3-1.2m of soil, and drip irrigation and soaking of saline-alkali land 110;
[0080] Step 4: Sand filling by shock wave jetting;
[0081] It needs to be further elabor...
Embodiment 3
[0106] This embodiment is further optimized on the basis of Embodiment 2. In this embodiment, it also includes step 5, planting saline-alkali-tolerant economic crops and maintaining them; planting saline-alkali-resistant crops such as rapeseed, Jerusalem artichoke, wolfberry, reed, Watering, fertilizing and shading should be done well for ice grass, pasture grass, etc. Among them, fertilization can be sprayed and deep applied to improve the utilization efficiency of fertilizers; the residual branches left after crop harvesting can be crushed and then filled into the soil by air blast and subsoiling to increase the organic matter content and permeability of the soil, and further Increase the improvement effect of 110 in saline-alkali land.
[0107] Regular management and protection will be carried out in the later stage of treatment. After steps 1 to 5 are performed, a soil sampling point can be set every 100 square meters, and each sampling point can be set with three soil dep...
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