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1.液体通气保湿剂是日本研制成的一种土壤改良剂,含有聚乙烯醇6.66%、脱乙酰甲壳质0.11%、氨基酸0.022%、单宁0.019%。在粘土中加入这种改良剂,能改善土壤的团粒结构,提高其通气性、透水性和保水性。2.沥青乳化保湿剂由比利时研制成功,为油状液体,可象化肥一样施在沙漠上。分亲水性和疏水性两种:亲水性的能象海绵那样,使植物根部周围保持湿润;疏水性的可抑制地面水的蒸发。一般情况下,沙土中的水渗透快,蒸发也快,
1. Liquid Ventilation Humectant is a soil conditioner developed in Japan. It contains 6.66% of polyvinyl alcohol, 0.11% of chitosan, 0.022% of amino acids and 0.019% of tannin. Adding this modifier to clay can improve soil aggregate structure and improve its aeration, water permeability and water retention. 2. Asphalt emulsion moisturizer developed by Belgium for the oily liquid, can be applied to the same as the fertilizer on the desert. Sub-hydrophilic and hydrophobic two: Hydrophilic like sponge, so that plants around the roots to keep moist; hydrophobic can inhibit the evaporation of surface water. Under normal circumstances, the sand in the water infiltration, evaporation is also fast,