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4年播种期试验证明,小麦独秆栽培法的适宜播种期为日平均气温12~17℃,冬前0℃以上积温250~600℃。在烟台地区的具体时间为10月初到10月底.根据播种期确定基本苗,一般10月上旬播种,基本苗等于亩穗数的60%~70%,10月中旬播种,基本苗等于亩穗数的70%~80%,10月下旬播种,基本苗约等于亩穗数.
The 4-year sowing date experiment showed that the suitable sowing date of wheat single-stalk cultivation method was daily average temperature 12 ~ 17 ℃, and the accumulated temperature above 0 ℃ before winter was 250 ~ 600 ℃. The specific time in Yantai is from the beginning of October to the end of October. According to the sowing date, the basic seedlings are generally planted in early October. The basic seedlings are equivalent to 60% -70% of the ear number per acre and sown in mid-October. Of the 70% to 80%, sowing in late October, the basic seedlings equal to about acres of spikes.