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马铃薯与南瓜、秋豌豆苗及青菜的间套种,是以春马铃薯与南瓜为主作。因其多为营养保健佳蔬、风味独特、洁净无污染;且组合科学、栽培简便、生长周期短,故经济、社会效益显著。1998年,我县示范推广的2hm~2复种田,每667m~2年均净产值逾9000元(马铃薯1600kg×1.5元、南瓜2500kg×1元、秋豌豆苗600kg×4元、夏小青菜800kg×1元、冬青菜1500kg×1.3元)。1科学选地布局通常选择地势高爽,排灌良好、肥沃蔬松的砂质壤土,于马铃薯播栽前结合耕翻。每667m~2基施优质腐熟粪肥1500kg(亦可腐熟厩肥3000kg)、腐熟饼肥50kg、过磷酸钙50kg、硝酸钾20kg,尔后进行深沟高畦种植。畦宽6m(其中沟路宽
Potato and pumpkin, autumn pea seedlings and intercropping vegetables, is based on spring potatoes and pumpkin-based. Because of its nutrition and health and more vegetables, unique flavor, clean and pollution-free; and the combination of science, cultivation is simple, short growth cycle, it is significant economic and social benefits. In 1998, the 2hm ~ 2 double-cropping demonstration in our county showed an average net product value of more than 9,000 yuan per 667m ~ 2 years (1600kg × 1.5 yuan for pumpkin, 2500kg × 1 yuan for pumpkin, 600kg × 4 yuan for autumn pea seedlings, 800kg × 1 yuan, 1500 grams of winter vegetables × 1.3 yuan). A scientific selection of the layout of the general election is to choose high-lying, well-drained irrigation, sandy loam of fertile pine, combined with tillage before planting the potato. Each 667m ~ 2 basic facilities of high-quality decomposed manure 1500kg (also decomposing manure 3000kg), 50kg of cooked cake fertilizers, superphosphate 50kg, potassium nitrate 20kg, then deep furrow planting.畦 wide 6m (which wide channel