Through the survey and statistics of data, about loading amount of nitrogen minus quota discharge, loading amount of permeable water nitrogen, loading amo...

 
  • 經(jīng)過(guò)氮素差額排出負荷量,滲漏水氮素負荷量,地表水氮素負荷量,降水氮素負荷量,灌溉水氮素負荷量等數據的調查和統計,得出氮素全年損失率及損失途徑。
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