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一、适宜播种期的确定根据1972-1978年在汾阳县试验,高梁播期范围在4月下旬-5月中旬,以4月底-5月初播种产量最高。播期在很大程度上取决于播种期间平均气温的高低。高产年份播期平均气温15.8℃。中晚熟品种为17℃,晚熟品种为15.7℃。晋中区中晚熟品种播种适期为
First, determine the appropriate sowing date According to the 1972-1978 test in Fenyang County, sowing sowing range in late April - mid May, the end of April - early May sowing the highest yield. The sowing date is largely dependent on the average temperature during sowing. High-yielding sowing season average temperature of 15.8 ℃. Middle and late-maturing varieties were 17 ℃, late-maturing varieties were 15.7 ℃. Medium and late maturing Jinzhong sowing sowing period is