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兴隆县大杖子乡平均海拔３５２ｍ，年平均气温８．７℃，１０℃以上（含１０℃）积温３４６４℃，为典型的一季有余，两季不足的种植区。近年来，县、乡农业科技人员和群众一道摸索出一条冬小麦套玉米，玉米套萝卜的三种三收栽培模式，１９９８年，全乡２００ｈ三种三收田平?
Dazhangzi Village in Xinglong County has an average altitude of 352m and an annual average temperature of 8.7 ℃. Its accumulated temperature is 3464 ℃ above 10 ℃ (including 10 ℃), which is a typical planting area with more than one season and two quarters of deficiencies. In recent years, counties, township agricultural science and technology personnel and the masses worked together to explore a winter wheat sets of corn, corn radish sets of three three-crop cultivation model, in 1998, the township 200h three three harvest Tianping?