The postcode of Jun County, Hebi City, Henan Province, China is 456250.
中国大陆河南省鹤壁市浚县的邮政编码是456250。
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。
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