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近年来,卢龙县农业局为了提高复种指数、增加农民收入,在试验、示范的基础上,推广了小麦、菠菜、甘薯、大豆四种四收高产高效栽培模式,实现667m2上茬小麦平均产300kg、菠菜1500kg,下茬甘薯2000kg、大豆75kg,四茬产值3000元以上。此模式适于土壤肥沃,能排灌水的壤土地块进行种植
In recent years, Lulong County Bureau of Agriculture in order to improve the cropping index, increase farmers’ income, on the basis of experiments and demonstration, popularize wheat four kinds of high yield and efficient cultivation mode of wheat, spinach, sweet potato, soybean, achieve the average yield of wheat on 667m2 300kg, spinach 1500kg, sweet potato under the second 2000kg, soybean 75kg, four crop output value of more than 3,000 yuan. This model is suitable for fertile soil, irrigation and drainage of loam plots for planting