摘要
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。它的使用促进了团粒结构的形成，降低土壤容重，提高土壤渗透性，而且在浓度为0．05％～0．40％的范围内，对黄绵土的改良效果随其浓度的增大而升高。还初步表明：幼林地使用土壤结构改良剂，可提高土壤水分。因此，在劣质立地幼林抚育管理中应用土壤结构改良剂是适宜的。
To take effective measures for management of young growth land,the soil structure improver hydropolyacrylonitrile was used to treat Huangmian soil in the experiment.The results show that the effects are very significant that Huangmian soil is improved by hydropolyacrylonitrile, using of which, the production of waterstable aggregates is advanced,soil density is lowered, and soil permeability raised. Moreover, within the concentration range 0. 05%~0. 40% of the improver, the improvemental effects to Huangmian soil will strengthened with increasing concentration. Also it is preliminarily indicated that using the improver in young growth land might increase soil moisture. Thus it is advisable that soil structure improvers would be applied to tending of young growth in poor site.
出处
《水土保持通报》
CSCD
北大核心
1997年第5期23-26,45,共5页
Bulletin of Soil and Water Conservation
关键词
土壤结构改良剂
黄绵土
土壤水分
聚丙烯腈
Hydropolyacrylonitrile
Huangmian soil
Permeability
Soil moisture
tending of young forest
