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近年来,卢龙县农业局推广了薯麦豆菜四种四收种植模式,提高了复种指数和经济效益,薯麦豆菜四种四收,平均667 m~2产小麦250 kg,甘薯2100 kg(折粮420kg),大豆 75 kg,667m~2经济效益可达2000元左右。群众总结这种形式是:“头茬小麦高产,二茬甘薯稳产,三茬大豆保险,四茬菠菜白检”。 四种四收是采取1.6～1.8m带距,小麦占地60～80cm,甘薯占地100cm,小麦播种前做畦起埂,埂高24 cm左右即薯垄。在畦内套种两垄越冬菠菜,菠菜翌年4月份收获。收后立即打两个薯垄,5月1日左右栽薯秧,每
In recent years, Lulong County Bureau of Agriculture promoted four kinds of four harvesting modes of potato and bean and bean and rapeseed, increased the multiple cropping index and economic benefits. Four kinds of potato and kidney bean received four kinds of wheat, with an average of 667 m ~ 2 producing 250 kg of wheat and sweet potato 2100 kg (grain 400kg), soybean 75kg, 667m ~ 2 economic benefits up to 2000 yuan. The masses concluded that this form is: “The first crop of wheat high yield, two stubble sweet potato stable yield, three crop soybean insurance, four stubble spinach white seized.” Four kinds of four harvest is to take 1.6 ~ 1.8m belt distance, wheat covers an area of 60 ~ 80cm, sweet potato covers an area of 100cm. Two rows of overwintering spinach were planted in the shrubs, and spinach was harvested in April of the following year. Immediately after harvest hit two potato ridge, May 1 planting potato seedlings, each