Nitrogen phosphorus nutrition possess very fine adjustment action on root system growth of wheat.
氮磷营养对小麦根系生长具有明显的调节作用。
There are two with copper pipe, air conditioning separate-bodied air-conditioners, one root is fine;
空调室外机有两跟铜管，一根较细；
There are two with copper pipe, air conditioning separate-bodied air-conditioners, one root is fine;
空调室外机有两跟铜管，一根较细；
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