《 水土保持学》是2010年水利水电出版社出版的图书，作者是文俊。本书主要阐述了土壤侵蚀原理以及各种综合治理措施体系。
...论文页面 关 键 词： 水土保持学；公切角；起动风速；非均匀沙；荫暴作用 [gap=1494]Key words: soil and water conservation; common tangential angle; threshold wind velocity; non-uniform sand; hiding-exp..
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课程包括植物生物学，肥料和杀虫剂的化工制造，树木和灌木的辨识，水土保持及相关研究。
Courses include plant biology, the chemistry of fertilizers and pesticides, identification of trees and shrubs, soil conservation, and related studies.
研究表明：上述树种的生物学、生态学特性对于其分布区内水土保持、水源涵养及防护林营建的树种选择有积极的意义和可行性；
The result shows: bioecological characteristics of these tree species can help to choose tree species for planting protective forest in their distributing area.
研究表明：上述树种的生物学、生态学特性对于其分布区内水土保持、水源涵养及防护林营建的树种选择有积极的意义和可行性；
The result shows: bio ecological characteristics of these tree species can help to choose tree species for planting protective forest in their distributing area.
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