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The World Grain Production and the Agro-eco-environmental Changes
JIANG Ai-liang
1993, 1(4): 6-14.
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Sustainable Agriculture,Alternate Agriculture and Chinese Eco-agriculture
Yun Zheng-ming
1993, 1(4): 15-18.
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The Environmental Impacts of Soil Erosion
GAO Jun-sai
1993, 1(4): 19-24.
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The Development of "Tri-high"Ecological Forestry by Market Economy
BI Xu-dai, GAO Fu-cun, ZHANG Wan-jun
1993, 1(4): 25-31.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Evaluation of the Eco-environment for Chinese Chestnut By Gray System Theory
GUAN Jun-hui, DU Xiao-dong
1993, 1(4): 74-77.
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