学科分类
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1 个结果
  • 简介:Aftertenyears’concertedeffort,Chineseexpertshavesuccessfullypre-pared‘Changle’,akindofchemicaiproductcontainingLaandCeforagiri-culturaluses,andputforwardwiththeappiyingmethodsformorethan20kindsofcrops,pioneeringinthisfieldofRE

  • 标签: pioneering CROPS BEANS EDIBLE forestry HARVEST