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Preliminary Research on the Main Farming and Cutting Performances of Dryland Farming in Guizhou Province .............................. ················································································································ 1 (1) ............ 1 (7) hybrid rice combination “oil excellent narrow eight” Introduction ............... 1 (1】) “hanging toward the second” in Wuchuan fertility characteristics and high yield demonstration ..................... ............... · ............ ·· 1 (1