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在运城地区,从大范围来讲,普遍认为不论是水地或旱地,肥沃地或瘠薄地,冬性品种或弱冬性品种,都毫无例外地是9月25日至10月5日为冬小麦播种适期。从小范围来讲,大量播期试验证明,弱冬性品种、水地、肥地,最适播期在10月初;强冬性品种、旱地、薄地,最适播期在9月份的最后几天。所以,在特定的品种、水肥及气象条件下,最适播期不过3—5天,前后主茎叶龄不相差1片,这样的播期范围内产量最
In the Yuncheng area, it is generally accepted that, on a large scale, neither winter nor winter, fertile or barren, winter or weak winter varieties are without exception, from September 25 to October 5 Winter wheat sowing period. In a small area, a large number of sowing dates proved that the most suitable winter sowing date was in early October. The most suitable winter sowing date was in the last days of September . Therefore, in a particular species, water and fertilizer and weather conditions, but the most suitable sowing period of 3-5 days, before and after the main stem leaf age does not differ by one, so the sowing date within the most yield