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      1993, 1(4): 1-5.
      Abstract PDF
      The World Grain Production and the Agro-eco-environmental Changes
      JIANG Ai-liang
      1993, 1(4): 6-14.
      Abstract PDF
      Sustainable Agriculture,Alternate Agriculture and Chinese Eco-agriculture
      Yun Zheng-ming
      1993, 1(4): 15-18.
      Abstract PDF
      The Environmental Impacts of Soil Erosion
      GAO Jun-sai
      1993, 1(4): 19-24.
      Abstract PDF
      The Development of "Tri-high"Ecological Forestry by Market Economy
      BI Xu-dai, GAO Fu-cun, ZHANG Wan-jun
      1993, 1(4): 25-31.
      Abstract PDF
      Soil Drought and Anti-drought Tillage Methods in the Plateau of Hebei Province
      ZHANG Li-feng, FANG Bing-xu, ZHAO Guang-sheng
      1993, 1(4): 32-36.
      Abstract PDF
      Nitrogen and Phosphorus cycling and Nutrient Use Efficiency Improvement in Agriculture and Animal Husbandary Ecosystem
      ZENG Jiang-hai, WANG Shao-ren, ZHANG Yu-ming, QIU Zhi-qiang
      1993, 1(4): 37-42.
      Abstract PDF
      A Study on the Eco-agricultural Patterns of Households in Hilly Regions
      CHEN Yu-hua, CAO Cou-gui, ZHANG Shi-bin, LIU Yan-jun, XIONG Fu-xi
      1993, 1(4): 43-51.
      Abstract PDF
      The Radiant Agro-ecological Engineering and Its Function--A Case Study From Xinghuo Husbandary Farm
      Zhang Bin, Zhang Xi-gu
      1993, 1(4): 52-58.
      Abstract PDF
      A Study on Systematic Development of Kerrchin Desert--A Case study From Naiman Banner
      NAI Min-fu, HE Man-xi
      1993, 1(4): 59-64.
      Abstract PDF
      A Study on the Variation of Allelopathic Effect of Wheat Straw Mulching on Different Corn Varieties
      MA Yong-qing, HAN Qing-hua
      1993, 1(4): 65-69.
      Abstract PDF
      The Application of the Artificial Neural Network to Forecasting the Epidemic Trend of the Cotton Boll Rot
      CAI Yu-dong, TANG Jun-biao, YAO Lin-sheng
      1993, 1(4): 70-73.
      Abstract PDF
      Evaluation of the Eco-environment for Chinese Chestnut By Gray System Theory
      GUAN Jun-hui, DU Xiao-dong
      1993, 1(4): 74-77.
      Abstract PDF
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