该文研究土壤结构改良剂对土壤水分动力学参数的影响。
In this paper, the effects of soil amendments on soil hydrodynamic parameters were studied.
在某些国家中，尤其是法国，石膏在农业上用作为土壤结构改良剂。
In some countries, especially France, gypsum is used agriculturally as a structure-improving agent for the soil.
人工合成土壤结构改良剂可分为石油化工产品、第三纪矿物产品以及无机物与有机物相结合产品共三类。
There are three main types synthetic soil conditioner available, derived from petroleum chemicals, the Tertiary period minerals and organic materials.
该文通过采用土壤结构改良剂水解聚丙烯腈处理黄绵土，以探讨幼林地土壤管理的有效措施。试验结果表明：土壤结构改良剂改良黄绵土的效果非常显著。
To take effective measures for management of young growth land, the soil structure improver hydropolyacrylonitrile was used to treat Huangmian soil in the experiment.
该文通过采用土壤结构改良剂水解聚丙烯腈处理黄绵土，以探讨幼林地土壤管理的有效措施。试验结果表明：土壤结构改良剂改良黄绵土的效果非常显著。
To take effective measures for management of young growth land, the soil structure improver hydropolyacrylonitrile was used to treat Huangmian soil in the experiment.
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