根据近两年黑龙江省玉米品种区域試验,在五十三个县市,一百二十四个試驗点上的試验结果証明,南部地区的品种移到稍北部的地区种植,都比当地原有品种增产。如尚志县的“白头霜”移到訥河县,比当地良种“金頂子”增产百分之三十八点三,移到林口县青山良种場增产百分之五十点六,移到 According to the regional trials of maize varieties in Heilongjiang Province in recent two years, the test results at 124 test points in 53 counties and municipalities show that the cultivars in the southern areas have been moved to slightly northern areas, Variety increase. For example, the “Baitoushuang” in Shangzhi County moved to Nehe County, an increase of 38.3% over that of the local “Jindingzi” seed and moved to Qingshanliangchangkou of Linkou County for a yield increase of 56.6%