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六安淠史杭灌区,主要包括寿县、霍邱、六安、肥西、舒城五县.耕地721.4万亩,其中水田524.7万亩. 灌区属副热带湿润气候区,气候温和,年平均气温14.5—16.6℃,无霜期长,全年220—240天.光照充足,全年日照2000—2200小时,有效积温(≥10℃)为1835.5度,雨量适中,年平均降水量为900—1200毫米,表现为春雨频繁,梅雨显著,多秋旱、冬干.据统计,灌区大、中、小水库和塘坝的有效蓄水量为35.43亿方,平均每亩耕地约500方.灌区五个县,县县有化肥厂,连同省地分配化肥,每亩耕地可有化肥50斤.这些比较优越的条件,对发展水稻生产是十分有利的.但
Lu’an irrigation district, including Shouxian, Huoqiu, Lu’an, Feixi, Shucheng five counties .721.4 acres of arable land, of which 5,247,000 acres of paddy fields. Irrigated subtropical humid climate zone, mild climate, the annual average temperature 14.5-16.6 ℃, long frost-free period, 220-240 days a year. Sufficient light, the annual sunshine 2000-2200 hours, effective accumulated temperature (≥ 10 ℃) 1835.5 degrees, moderate rainfall, the average annual rainfall of 900-1200 mm, According to statistics, the effective storage capacity of large, medium and small reservoirs and ponds in the irrigated area is 3.543 billion cubic meters, with an average of about 500 square meters of cultivated land per mu. Five counties in the irrigated area, There are fertilizer factories in counties and counties, along with the provincial distribution of fertilizers, fertilizer per mu of land can have 50 pounds of these more favorable conditions for the development of rice production is very favorable, but