丰都县冬闲田气候资源分析

Analysis on Climate Resources of Fallow Fields in Fengdu County

对丰都县1970—2008年冬闲田期间热量≥0℃积温、稳定通过10℃初终日、无效积温、光照条件、降水变化趋势等气候资源进行分析。结果表明:根据丰都县冬闲田期间的气候条件,可以通过大力发展榨菜种植、秋种甜玉米、晚秋高粱等种植项目,以提高丰都县冬闲田的利用率,改变冬季肉牛养殖青饲料的供给,促进肉牛养殖的发展,从而提高冬闲田利用率,提高农民收入。对指导丰都县冬闲田开发、重要农事安排等具有重要意义。

The heat ≥0 ℃ accumulated, stability through the early 10 ℃ day, ineffective accumulated temperature,light conditions, precipitation and other climate change trend resources during fallow fields from 1970 to 2008 of Fengdu County were analyzed.The results showed that according to the climatic conditions during the fallow fields in Fengdu County,it could improve the utilization of fallow fields in Fengdu County,change supply of green fodder for cattle breeding in winter, promote development of cattle breeding by developing mustard cultivation, autumn planting sweet corn, sorghum and other late fall planting projects to improve the utilization of fallow fields and increase farmers＇ income.h had important meanings to guide the develooment of fallow fields in Fenodu County and important farminz arran,,ements.