Soil chemical fertility in cultivated-land and garden systems increased with land reclamation and soil maturation process, the content of soil nutrient and exchangeable Ca and Mg raised, but exchangeable Al dropped.

  • 垦殖利用后,其化学肥力随着耕垦熟化过程不断提高,表现为土壤中各种速效养分及交换性Ca、Mg含量均增加,而交换性Al含量降低。

  • 互联网摘选 2025-01-20 18:42:31

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句