为探讨玉米新品种浚单22获得高产的适宜种植密度，河南省浚县农业科学研究所对浚单22进行了5个处理的密度试验。
Jun County Agricultural Research Institute of Henan Province has conducted planting density experiment of five (5) different treatments on Jundan 22.
为探讨玉米新品种浚单22获得高产的适宜种植密度，河南省浚县农业科学研究所对浚单22进行了5个处理的密度试验。
Jun County Agricultural Research Institute of Henan Province has conducted planting density experiment of five (5) different treatments on Jundan 22.
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