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一、结球生菜种植特点结球生菜在北方地区一般为秋冬或早春种植。保护地秋冬茬,10月移栽到次年1月收获,生育期100天左右;春茬4月移栽6月收获,生育期60天左右。秋冬茬目标产量定在1500-2000公斤/亩,早春茬季目标产量在2000-3000公斤/亩。定植前深翻30厘米,整地、施有机肥3000-5000公斤/亩,复合肥20-30公斤/亩,做成下底宽90厘米、上底宽60厘米、畦高10-15厘米的小高畦,铺设滴灌
First, the characteristics of knotted lettuce planting node Lettuce in the northern region is generally planted in autumn or winter or early spring. Protection of autumn and winter stubble, transplanting in October to harvest in January the following year, the growth period of about 100 days; spring transplanted in April harvest in April, the growth period of about 60 days. Autumn and winter stubble target output set at 1500-2000 kg / acre, early spring crop season target output of 2000-3000 kg / acre. Deep planting before planting 30 cm, site preparation, organic fertilizer 3000-5000 kg / acre, compound fertilizer 20-30 kg / acre, made under the bottom width of 90 cm, the bottom width of 60 cm, 10 ~ 10 cm high Takahata, laying drip irrigation