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莴笋的种植分春秋两季、春莴笋产量高,但不宜贮藏,秋莴笋耐寒性强适于贮藏。贮藏时应选择健壮无空心、未抽薹的植株连根收获,摊在晾棚中晾晒时用叶片将根茎覆盖好,2～3天后摘去老叶和叶尖,仅留上部7～8片较小的叶片进行贮藏。莴笋多用假植方法贮藏,一般利用阳畦在立冬后进行。先开挖10厘米宽的沟,将莴笋排列在沟中,排放时稍稍向北倾斜,排后覆土并将2/3的莴笋茎埋入沟中,然后扶住莴笋将土踩实。一条阳畦可以假植8～10行。莴笋贮藏适宜温度为-1～0℃,贮藏初期,应防止发热,当气温下降时,要及时搭篷盖蒲席保温,原则是
Lettuce planting points in spring and autumn, spring lettuce yield, but not suitable for storage, cold autumn autumn lettuce suitable for storage. Storage should be selected without hollow, unsplit plants even root harvest, drying in the drying shed when covered with leaves will be covered with roots, 2 to 3 days after removal of the old leaves and tip, leaving only the upper 7 to 8 more Small leaves for storage. Lettuce and more use of fake planting methods, the general use of mandarin orange after the beginning of winter. First excavate a 10 cm wide ditch, arrange the lettuce in the ditch, tilt slightly to the north when draining, and cover the earth with 2/3 of the lettuce stem buried in the ditch, then hold the lettuce and soil it. A sunny ridge can be planted 8 to 10 lines. Lettuce storage suitable temperature is -1 ~ 0 ℃, the early storage, should prevent fever, when the temperature drops, you must promptly cover the canopy cover insulation, the principle is