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翻侧徽逗吨粮田开发 湖南吨粮田开发效益的浅析············……4(1) 吨粮田开发色议···························……4(5) 靠科技建设高产高效田—馆陶县10。户 调查·················..·············
Flour side of the emblem tease tons of grain development of Hunan grain field efficiency analysis ... ... ... ... 4 (1) tons of grain development of color development ... ... ························································································ 4 Household Survey ······································································