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针对黑龙江省巴彦县玉米生产中主栽品种进行跟踪调查,从一叶一心期开始至最后一片叶完全展开为止,调查玉米根与叶的生长变化及其同伸规律,为指导玉米生产提供科学依据。
The main cultivars of corn production in Bayan County, Heilongjiang Province were followed up. The growth and changes of corn roots and leaves were investigated from the beginning of one leaf to one heart until the last leaf was fully expanded. in accordance with.