论文部分内容阅读
莴笋要求冷凉的气候条件,最有利于茎叶生长的韫度是11—18℃,不耐严寒,在长日照和高温条件下又容易抽薹,所以在冬季比较寒冷的地区,莴笋的主要栽培季节是春、秋两季,以春季为主,秋季栽培的面积比较小。近几年来,武汉市洪山区洪山公社红旗大队,每年种植秋莴笋面积100多亩,一般亩产5,000—6,000斤,高产田块达7,000斤以上。他们认为种植秋莴笋的好处有:一是生长期短,从播种到收获一般只需70—90天;二是病虫害少,管理较方便,产量比较高;三是品质鲜嫩可口,深受消费者的欢迎;四是增加秋季
Lettuce requires cool climatic conditions, the most conducive to the growth of stems and leaves of the degree is 11-18 ℃, intolerant cold, in the long sunshine and high temperature conditions and easy bolting, so in the colder winter, the main cultivation of lettuce The season is spring, autumn two seasons, mainly in spring, autumn cultivation area is relatively small. In recent years, the Hongsheng Brigade, Hongshan District, Wuhan Hongsheng Brigade, the annual planting of autumn lettuce area of more than 100 acres, the general mu produce 5,000-6,000 pounds, high-yield fields amounted to 7,000 pounds. They believe that the benefits of planting autumn lettuce are: First, the growth period is short, generally 70-90 days from sowing to harvest; Second, fewer pests and diseases, management more convenient, higher yield; Third, fresh and delicious quality, by consumers Welcome; Fourth, increase the fall