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一、播种期。俗话说,“要收油,寒露之前就动手”。迟熟品种最宜于9月底10月初播种。早熟种10月初至中旬播种为最好。二、培育壮苗。①选择肥沃、疏松,排灌方便的沙壤土田、园地作苗床,精细整理。底松面细、厢面平整、厢宽4-5尺、四周开好排水沟、施足底肥。②稀播,每亩苗床播种0.75-1公斤,分厢定量播种。播后用草皮坭拌细土复盖。③勤看管,搞好追肥杀虫。2-3片叶时,进行第一次问苗,将过密的秧苗扯去,施一次稀粪水;四片叶进行第二次
First, the sowing period. As the saying goes, “To close the oil, cold dew before the hands.” Late maturing varieties are most suitable for planting by the end of September and early October. Early maturing early to mid-sowing for the best. Second, nurturing strong seedlings. ① Select fertile, loose, irrigation and drainage of convenient sandy loam, garden for seedbed, fine finishing. Bottom loose surface, car flat, car width 4-5 feet, around a good drainage ditch, Shi enough base fertilizer. ② thin sowing, 0.75-1 kg per mu seedbed sowing, sub-box quantitative sowing. After sowing turf mixed with fine soil cover. ③ groundwork, do a good job top dressing insecticide. 2-3 leaves, the first time to ask seedlings, pull the over-dense seedlings go, apply a dilute water; four leaves for the second time