The trial test indicated that NTS was unfavorourable for seed emergence and the soil heat flux was lower than the other tillages obviously.

 
  • 試驗表明,免耕覆蓋的土壤溫度不利于豌豆的出苗,且土壤熱通量明顯小于其它耕作方式。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan