soil conservation

短语

土壤保持 [经] 土壤保持

释义与例句

n.
  1. 1.

    Protection of the soil against sediment loss by erosion or fertility loss due to degradation.

    不可数
  2. 2.

    A combination of all soil management and land use methods that protect against degradation.

    不可数
  3. 3.

    The sub-discipline of soil science that deals with soil conservation (1) and (2).

    不可数

词汇关系

名词

上位词 1