濉溪县夏玉米生产与气象因子关系分析

The Condition the Suixi County Summer Maize is Produced with Meteorological Phenomena Concerns Analysis and Countermeasure

利用濉溪1980～2006年夏玉米单产和同期气象资料进行统计分析,同时分析6月中旬至9月下旬光、热、水资源的分布特点及其对夏玉米生产发育的影响。结果表明:濉溪夏玉米的气象波动指数为0.105 3,占夏玉米产量波动的37.9%;7月中下旬的平均气温、8月下旬的降水、8月中下旬的日照时数是影响夏玉米产量波动的关键气象因子;温光水变化趋势与玉米需求吻合。生产上要采取选用中熟和中晚熟品种、适期早播、及时灌溉排水、推迟收获等技术措施,以充分利用气候资源、趋利避害、实现夏玉米高产稳产。

The last ten-day period of a month in september carrying out statistic analysis, analysing the middle ten days of a month in june at the same time glorifies maize per unit area yield and the same term meteorological data making use of 1980 Suixi county summer in 2006, heat, the water resource distribution characteristic and produce the effect developing to summer maize. Result is indicated： that meteorological phenomena of Suixi county summer maize the exponent undulating is 0.105 3, accounts for that summer maize output is undulate 37.9%; The number, is the un- dulate key meteorological phenomena affecting summer maize output in july time the last ten-day period of a month average temperature, the last ten-day period of a month in august precipitation, the sunshine being hit by the last ten-day period of a month August factor; The glossy water of temperature change trend is identical with maize need. Having given birth to a child the draining off being going to adopt the select and use familiar, middle late variety of middle, suitable scheduled time early sowing, irrigating in time, be postponed gains waits for technology measure, climate resource, hastens after wealth and avoids damage, realize the summer maize stable high yield in order to fully utilizing.