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甘薯苗套种棉花是滑县近几年发展起来的一种高产高效模式,1996年已发展到13hm~2.此种植模式每hm~2一般可剪卖甘薯秧苗10万～15万根,每根秧苗长18cm左右,可收入3万～3.75万元,每hm~2产皮棉1275kg,产值3.25万元,全年每hm~2产值可达4.5万～5.25万元.其栽培技术如下:一、精细整地,科学施肥上年晚秋作物收获后,随即耕地,耕深25cm左右,冻土晒垡,翌年春每hm~2施优质粗肥60～75方、碳铵750kg、过磷酸钙750kg,然后深耕18～21cm.若墒情不定,浇水后再耕.耕后耙平打畦,待期栽种.
Sweet potato seedling interplanting cotton is a high yield and high efficiency mode developed in recent years in Huaxian County and has been developed to 13hm ~ 2 in 1996. This planting mode can cut 100,000-150,000 sweet potato seedlings per hm ~ 2, Seedlings grow about 18cm, income 30,000 ~ 37,500 yuan, lm 2 per lm 1275kg, the output value of 32,500 yuan, the annual output per hm ~ 2 up to 45,000 ~ 52,500 yuan. The cultivation techniques are as follows: First, Fine land preparation and scientific fertilization After the crops were harvested in the late autumn and evening of last year, arable land was cultivated with a depth of about 25 cm and permafrost soils. The next spring, 60 to 75 square meters of high-quality coarse fat, 750 kg of ammonium bicarbonate and 750 kg of superphosphate Deep plowing 18 ~ 21cm. If the moisture is uncertain, watering and then tillage.