桓台县境内全部是平原生产条件较好,机井配套,渠系成网,轮灌周期7～10天。土壤主要为褐土、潮土和砂姜黑土,一般有机质含量为1.3%,碱解氮54ppm,速效磷12ppm,速效钾105ppm。光温条件优越,年日照2813.5小时,平均气温12.5℃,>0℃的积温4777.5℃,无霜期198天。实行小麦、玉 Huantai County, all the plain production conditions are better, supporting wells, canal network, irrigation cycle 7 to 10 days. The soil is mainly cinnamon soil, alluvial soil and saprolite black soil. The content of organic matter is 1.3%, the content of alkali nitrogen is 54ppm, the content of available phosphorus is 12ppm and the available potassium is 105ppm. Light and temperature conditions, the annual sunshine 2813.5 hours, the average temperature of 12.5 ℃,> 0 ℃ accumulated temperature 4777.5 ℃, frost-free period of 198 days. Implementation of wheat, jade