The effect of Zn-fertilizer applicated in corn and Mn-fertilizer applicated in winter wheat were studied under field conditions with different soil type and application way.

　
英 美
  • 過(guò)兩年在富平東新試區，不同土地類(lèi)型、不同施用方式的多點(diǎn)玉米施鋅、小麥施錳試驗，證明對于玉米和小麥具有明顯的增產(chǎn)作用。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan