ECONOMICAL TRIUNE METHOD FOR CONSTRUCTION OF VEGETATION IN SEVERELY SALINE-ALKALI LAND

The present disclosure discloses an economical triune method for construction of vegetation in severely saline-alkali land, including the following steps: Si, soil preparation: carrying out coarse topographic treatment on a construction site; S2, deep excavation of drainage and salt leaching channel...

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Hauptverfasser: WANG, Xiuping, LI, Zhaojia, ZHANG, Xiaodong, XUE, Zhizhong, LIU, Yahui, WU, Zhe, ZHANG, Guoxin
Format: Patent
Sprache:eng
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Zusammenfassung:The present disclosure discloses an economical triune method for construction of vegetation in severely saline-alkali land, including the following steps: Si, soil preparation: carrying out coarse topographic treatment on a construction site; S2, deep excavation of drainage and salt leaching channels: digging a main water leaching ditch and subsidiary water leaching ditches at a depth of 80 cm in land in need of vegetation recovery to an underground network for draining off water and salt; S3, soil reclamation and soil fertilization in plough layer: applying straw and an organic fertilizer, each in an amount of 10 cubic meters per mu, to the surface, ploughing at a depth of 40 cm to construct a permeable plough layer for enhanced salt leaching; and S4, surface planting pattern of ridging and drip irrigation: ridging at a width of 80-100 cm and a height of 20 cm, and laying 2-3 drip irrigation tapes along each ridge for surface water drainage and salt elimination. The thickness of the plough layer is increased by ridging. Drip pipes promote downward movement of saline water, facilitating remediation of severely saline-alkali soil. Moreover, the saline water is drained off, and excessive salt in the soil is absorbed by plants, thereby ensuring persistent soil remediation. The method is convenient, low in cost, and safer, and suitable for better promotion and use. V ____ ____ S4