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1 高温干旱对棉花的影响 1998年全市种植棉花1.5万公顷,其中地膜覆盖栽培0.7万公顷。棉花生长前中期由于气候条件有利,各项栽培技术措施到位,故一播全苗,壮苗早发,生育进程快。7月15日,全市生育调查汇总,平均667平方米大桃0.31万个,总果节13.84万个,大桃数和总果节数是有历史记载以来同期最多的一年。7月上中旬和8月份出现了几十年来未遇的异常晴热少雨天气,据市气象站记载,7、8二月平均气温27.6℃,比常年高1.1℃,大于等于35℃的高温天气
Effect of High Temperature and Drought on Cotton In 1998, the city planted 15,000 hectares of cotton, of which 7,000 hectares were covered by plastic film. Cotton before the mid-term due to favorable climatic conditions, the cultivation of technical measures in place, so a broad-based seedlings, strong seedlings early hair, fast growth process. July 15, the city’s fertility survey summary, with an average of 6600 square meters big peach 3100, the total section of 138400, big peach and the total number of sections is the largest since the historical records of the same period. In mid-July and August, there appeared an exceptionally sunny and rainy weather that had not hit the past few decades. According to the city weather station, the average temperature in February and July was 27.6 ℃, which was 1.1 ℃ above normal and 35 ℃ or above