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苦菜又名油叶生菜,其特性:极早熟、耐寒、耐热、抗病,叶绿色长形,叶柄直立紧凑,宜密植,叶微甜略带苦味,清脆爽口,在华北一带一年四季,均可排开种植,是补偿蔬菜不足的理想品种,其种植技术简介如下: (1)播种时期及方法华北一带除隆冬季节外,均可播种,播种方法:亩施优质有机肥3000—4000公斤,尿素50公斤,作基肥,深翻整平后,以宽1.2—1.5米的距离整畦,播种前,小水浸透畦面,然后上覆一层过筛的细土,种子同过筛的细土搅拌均匀,分次撒在畦面上,其上覆土0.8—1.0厘米。夏季播种为防止土壤失水,畦面上覆盖一层麦糠,早春、晚秋畦面覆盖一层地膜。
Bitter also known as oil leaf lettuce, its characteristics: very early, cold, heat, disease resistance, long green leaves, petiole erect compact, should be close planting, slightly sweet leaves with bitter, crisp and refreshing, in the North China area throughout the year , All of them can be planted in open row. It is an ideal variety to compensate for lack of vegetables. The planting techniques are as follows: (1) Sowing time and method The planting areas can be planted in North China with the exception of the winter season. Sowing methods: 3000-4000 mu of high quality organic fertilizer Kg, urea 50 kg, as a base fertilizer, deep plowing the whole flat, the width of 1.2-1.5 meters of the entire ridge, sowing, small water soaked noodles, and then covered with a layer of sieved fine soil, Stir the fine soil evenly, sprinkle on the surface in turn, the overlying soil 0.8-1.0 cm. Summer sowing In order to prevent soil water loss, the surface covered with a layer of wheat bran, early spring, late autumn face covered with a layer of plastic film.