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Keyword [Subsurface drain]
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1. Experimental Study On Salt Draining Effect Of Different Covered Gap
2. Long-term effects of land application of poultry manure on crop production, and soil and water quality under a corn-soybean rotation system in Iowa
3. Use of site specific farming systems and computer simulation models for agricultural productivity and environmental quality
4. Research On The Selection Of Envelope Filter For Agricultural Subsurface Drain Pipe Based On Irrigation Return Water Reuse
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