The results show that HA organic-inorganic compound fertilizer has the clear effect of a slow release compared with the NPK compound fertilizer.

 
  • 結果表明,HA有機-無(wú)機復混肥與普通無(wú)機復混肥相比具有明顯的緩釋效果。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan