Method for planting trees on saline-alkali land
A planting method and saline-alkali land technology, applied in the field of arbor planting in saline-alkali land, can solve the problems of waste of water resources, low survival rate, single species, etc., achieve the effect of reducing water evaporation, improving soil structure, and obvious effects
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Embodiment 1
[0032] Embodiment 1 Saline-alkali land improver formula
[0033] Said saline-alkali land improving agent includes powder and water,
[0034] The powder comprises the following components by weight: 10 parts of organic bentonite, 3 parts of modified rectorite, 15 parts of organic fertilizer, 12 parts of humus, 18 parts of compound fertilizer, 7 parts of amino acid, 0.8 part of polyacrylamide, biological flora 0.5 copies;
[0035] The rectorite is ground into a fine powder with a ball mill and calcined, then organically modified with cetyltrimethylammonium bromide as an intercalation agent, and finally the modified organic rectorite is melted with polypropylene Mixed on a twin-screw screw machine to prepare modified rectorite.
[0036] The organic fertilizer is animal manure and plant straw; the compound fertilizer is a mixture of potassium fertilizer, phosphorus fertilizer and nitrogen fertilizer in parts by weight of 2:5:10, and the biological flora includes Bacillus subtili...
Embodiment 2
[0039] Choose a piece of Weifang coastal saline-alkali land, plant mulberry trees, and set up control samples and comparison samples (the control samples are planted with high water pressure salt and ordinary irrigation, and the comparison samples are planted with this method combined with improvers).
[0040] Terrain finishing: the saline-alkali land to be improved will be sorted out, and the flat land will be leveled with high digging and low filling, with a maximum slope of 10°;
[0041] Laying of hidden salt drainage pipes: laying hidden salt drainage pipes with a trenching pipe embedding machine. The buried depth of the buried salt drainage pipes is 1.1m, and the slope is 0.3‰. The distance between adjacent hidden salt drainage pipes is 30m, and a water collecting pipe connected to each of the said hidden salt discharging pipes is laid. The outer surface is wrapped with 8cm sand filter material. The sand filter material is selected from natural sand with uniform particle ...
Embodiment 3
[0057] Select a piece of Weifang coastal saline-alkali land, plant black locust, and set up control samples and comparison samples (the control sample is planted with high water pressure salt and ordinary irrigation, and the comparison sample is planted with this method combined with improvers).
[0058] Terrain adjustment, laying of salt drainage underground pipes and installation of desalinated water equipment are the same as in Embodiment 2.
[0059] Robinia plantation:
[0060] a) Excavate the tree hole according to the locust soil ball, the diameter of the tree hole is 25cm larger than the soil ball, and the depth of the tree hole is 1.2m;
[0061] b) Use tree holes to irrigate water and pressurize salt, fill the tree holes with fresh water, wait until the fresh water has completely infiltrated into the ground, and the salt water will be discharged into the original water pool along with the hidden salt discharge pipe, and then continue to irrigate for 4 times, and then a...
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