春季地膜马铃薯——夏玉米一年两茬栽培模式,是广平县为推动地下水超采综合治理试点,农艺节水项目顺利实施,而采取的一种新的种植模式。该模式能够节约地下用水,提高单位土地规模效益。马铃薯于3月1—5日播种,6月上旬收获,一般亩产马铃薯4000—5000斤,亩效益3000—4000元。夏玉米6月上旬播种,10月10前收获,一般亩产玉米1000—1200斤,亩效益1000—1200元,两季亩效益4000—5000元。其栽培技术如下:一、马铃薯栽培技术1、整地施肥。选择有灌溉条件,土层深,肥力 Spring mulching film potato - summer corn cultivation pattern of two crops a year, is the Guangping County to promote the comprehensive management of groundwater over pilot, agronomy water-saving projects successfully implemented, and adopted a new planting mode. This model can save underground water and improve the unit land scale efficiency. Potatoes in March 1-5 sowing, harvested in early June, the general mu produce 4000-5000 jins of potatoes, acres of benefits 3000-4000 yuan. Summer maize sowing in early June, before October 10 harvest, the general yield of 1000-1200 jin per mu, acres of benefits 1000-1200 yuan, two acres of benefits 4000-5000 yuan. The cultivation techniques are as follows: First, the potato cultivation technology 1, land preparation and fertilization. Choose irrigation conditions, deep soil, fertility