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Study on the effect of different densities of silage corn to the leaf area, dry matter and fresh yield of both single plant and population in 2002~2003.
通过2002～2003年对青贮专用型玉米不同种植密度下，单株和群体叶面积、干物质积累及单位面积生物产量变化的研究，探讨单株和群体之间的相互影响。
Irrigation with saltish and fresh alternatively can decrease soil salt content and increase cotton yield.
采用咸淡水交替灌溉可以降低土壤含盐量，增加棉花产量。
One great thing about travel is that it can yield interesting new encounters and fresh perspectives.
旅行的妙处之一，就是可以催生有趣的偶遇和新鲜的视角。
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