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该模式马铃薯3月上旬播种,6月中旬开始收获上市,莴笋7月上旬育苗,9月下旬至10月初收获,收完莴笋后立即播种菠菜,小雪前后(11月中下旬)开始上市。1.马铃薯(1)品种选择。脱毒早熟马铃薯早大白、阜平大白龙、小白龙等品种。(2)种薯处理。2月上旬将选好的种薯放在20℃的温室内进行?
This model potato is planted in early March and harvested in mid-June. Lettuce is planted in early July and harvested from late September to early October. Seeds of spinach are sown immediately after the end of lettuce harvest. The market begins before and after light snow (late November). 1. Potato (1) species selection. Early dawn detoxification potato white, Fuping big White Dragon, White Dragon and other varieties. (2) Seed potato treatment. In early February will be selected seed on the greenhouse at 20 ℃?