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在我市的高效益农田建设中,筛选出一批能充分利用自然资源,作物又能互利作用和经济效益、社会效益、生态效益较高的最佳模式,值得推广现介绍五种: 一、甘兰套玉米复种芹菜。昌黎县钱庄子乡刘李庄村1986年种400亩甘兰(菠菜)、玉米、芹菜(菜花)三种三收,平均亩产玉米375公斤,菜5000—7000公斤,收入一千多元。农民石大伟和龙庆宝上茬种菠菜亩产3000公斤,收入300元,中茬种玉米亩产462.5公斤,收入190元,下茬种菜花亩产2000公斤,收入1000元,三种三收亩产玉米近千斤,菜5000—7500公斤,产值1490—1580元。主要栽培方法是:甘兰于2月上旬温室育苗,3月中旬定植在一米宽的拱棚
In the construction of high efficiency farmland in our city, we have screened out a batch of the best models that can make full use of natural resources, the mutual benefits of crops and the best economic, social and ecological benefits. It is worth promoting five kinds of presentations: Klan sets of corn seed celery. Liuzhuang Village, Qianzhuangzi Township, Changli County, 1986 Planting 400 mu of kulan (spinach), corn and celery (cauliflower) three kinds of three harvests, the average yield of 375 kilograms of corn per mu, vegetables 5000-7000 kilograms, income of more than 1000 yuan. Peasants Shi Dawei and Long Qingbao on the crop of spinach 3000 mu per mu, income 300 yuan, 462.5 kilograms of stubble corn, income 190 yuan, the next crop of cauliflower mu 2000 kg, income 1000 yuan, three three acres Nearly a kilogram of corn, vegetables 5000-7500 kg, the output value of 1490-1580 yuan. The main cultivation methods are: cabbage in early February greenhouse nursery, planting in mid-March in one meter wide arch