本文建立了玉米茎秆的力学模型。
适当降低株高，推迟吐丝日期，增加穗位叶面积有利于提高玉米茎秆含糖量。
Appropriately reducing plant height, extending silking date and increasing ear leaf area might be useful in improvement of stalk sugar content.
本文介绍了一种新型玉米茎秆粉碎破茬机，对其工作原理和整机结构进行了阐述和说明。
A new chopper of corn straw and stubble was introduced in this paper? The structure and working principles of the new chopper of corn straw and stubble is expatiated and explained.
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