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向日葵是内蒙古赤峰市最主要的油料作物,年均种植面积在100万亩左右。赤峰市属中温带半干旱大陆性季风气候区,气象灾害频繁,主要有干旱、低温、霜冻、大风、寒潮、暴雨、冰雹等。这些灾害有的年年发生,有的几年交替出现,其中干旱是影响农牧业生产最主要的灾害。针对这种气候条件,赤峰市农技推广部门经过不断探索与试验,总结出向日葵全膜覆盖膜下滴灌高效栽培技术。应用该技术,平均亩产319 kg,比对照田增产68 kg,亩增产值340元,
Sunflower is the most important oil crop in Chifeng City, Inner Mongolia, with an average annual planting area of about 100 mu. Chifeng City is a temperate semi-arid continental monsoon climate zone, frequent meteorological disasters, mainly drought, low temperature, frost, wind, cold wave, heavy rain, hail and so on. Some of these disasters occur annually, alternating for several years. Among them, drought is the most important disaster that affects the production of agriculture and animal husbandry. In response to this climatic conditions, Chifeng City, Department of Agricultural Extension through continuous exploration and experimentation, summed up sunflower full film mulch drip irrigation and efficient cultivation techniques. Application of the technology, the average per-mu yield of 319 kg, 68 kg more than the control field yield increase of 340 yuan mu,