新乡市农田分区土壤养分状况与小麦测土配方施肥经济效益研究
신향시농전분구토양양분상황여소맥측토배방시비경제효익연구
Study on the Soil Nutrient Status of Farmland and the Economic Benefit of Formula Fertilization by Soil Testing of Wheat in Xinxiang
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