The nitrate content in the fruits and the soil ( 0-40 cm soil layer) of every fertilizer group had a tendency that moved upward in early and attained maximal value at 6-9 days later, then dropped once more after the same time topdressing.

  • 2追肥后间隔不同天数采收不同施肥处理樱桃番茄果实与土壤(0~40cm土层)中的硝酸盐含量也呈现先上升,在施肥后第6~9天达到最大值,而后又下降的趋势。

  • 互联网摘选 2025-03-03 13:54:26

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