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台湾桃园农改场从国外引进20个结球莴苣品种(系)。试验结果,北部地区宜在1～3月及8～11月播种最适.生育期60～80天。在海拔300米以上高冷地区全年均可栽培。目前正推广夏季不易抽苔的“Three lakes M.C.”和“Mikadogreat3204 M.C.”两个品种。育苗,在冬季仅浸种8～12小时,使其萌芽;夏季须经5～10℃低温处理,打破休眠。育苗营养料以(?)石:真珠石:泥炭:有机肥=4:2:4:1配合最佳。将萌芽种子播于塑料盘后放置室内或网室,经常浇水保湿。萌芽后以尿素500倍液追施。经35～50天移植,畦面宽1米,株行距30×35厘米,植后穴内浇水保湿。在施足基肥基础上,
Taiwan Taoyuan Agricultural Reform Field from abroad introduced 20 ball lettuce varieties (lines). Test results, the northern region should sow the best in January to March and August to November, the growth period of 60 to 80 days. In the high altitude of 300 meters above sea level can be cultivated throughout the year. Two varieties of “Three lakes M.C.” and “Mikadogreat 3204.M.C.” are now being popularized in the summer. Nursery, soaking in the winter only 8 to 12 hours to germination; summer to be 5 ~ 10 ℃ low temperature treatment to break dormancy. Nursery nutrient material to (?) Stone: Pearl: peat: organic fertilizer = 4: 2: 4: 1 with the best. Sprout seeds broadcast in the plastic tray placed indoor or net room, often watering moisturizing. After the sprouting of urea 500 times topdressing. After 35 to 50 days transplant, noodles wide 1 meter, plant spacing 30 × 35 cm, watering moisture after implantation hole. On the basis of Shizujifei,