Water collection and retention method for rain harvesting and infiltration in woodlands on mountain slopes
A technology for collecting water and forest land, applied in forestry, afforestation, climate change adaptation, etc., can solve problems such as short effective time and evaporation water loss, and achieve strong water permeability, good preservation, and obvious effects of inhibiting evaporation.
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Embodiment 1
[0028] Fill the single-material branch in the water-gathering and moisture-retaining ditch, crush the branch to a length of 1-5cm, and then directly fill and compact it.
[0029] Experimental results: The water storage in the ditch was observed to be 30% higher than that of the control slope, and the soil moisture at a distance of 10cm from the ditch wall around the ditch was 36% higher than that of the control on average, and the direct evaporation loss of soil water after rainfall was reduced by 56%.
Embodiment 2
[0031] Composite materials are filled in the water-gathering and moisture-retaining ditch, including: the refractory plant material is a branch with a length of 1-5cm, and the weight content is 80%; the perishable plant material is leaves and crushed bean straw, and its weight content is 20%; the above After the material is mixed, it is directly filled and compacted.
[0032] Experimental results: Perishable materials are mixed with branches, and the water storage in the ditch is observed to be 35% higher than that of the control slope, and the soil moisture at a distance of 10cm from the ditch wall is 40% higher than that of the control on average, and the direct evaporation loss of soil moisture after rainfall is reduced. 56%.
Embodiment 3
[0034] Composite materials are filled in the water-gathering and moisture-retaining ditch, including: refractory plant materials are branches with a length of 1-5cm, and the weight content is 70%; perishable plant materials are leaves and crushed bean straw, and the weight content is 20%; organic The fertilizer content is 10% by weight. After the above materials are mixed, they are directly filled and compacted.
[0035] Experimental results: except that the effect of water accumulation and moisture conservation is similar to Example 2, the fertilized jujube trees in the observation ditch are 4cm-6cm longer than the new jujube trees without fertilization, the thickness of the leaves is 0.5-0.8mm thicker than that of the jujube trees on the slope, and the flower bud differentiation rate is increased by 4.5 %, fruit yield increased by 40%.
[0036] In combination with Example 2 and Example 3, it should be noted that when the refractory plant material and the perishable plant ma...
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