文章详细信息 关键词： 玉米新品种;;丰产性;;种植密度;;氮肥施用量 [gap=1389]Keywords: New varieties of maize;Yielding ability;Planting density;Nitrogen fertilizer application rate ..
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But two new varieties of corn, also known as maize, are coming to sub-Saharan Africa.
两个新品种的玉米将被引进撒哈拉以南非洲地区，预计会缓解干旱带来的不利影响。
Quality indexes of 168 new maize varieties released in Jilin province from 1999 to 2004 were analyzed.
对1999 ~ 2004年吉林省审定的168个玉米新品种的品质指标进行分析。
With the changes of the global climate, cultivation methods and release of new varieties, the maize diseases have changed in recent years in China.
随着全球气候变化、耕作方式改变和新品种推广，我国玉米病害的发生也有所改变。
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