一、前言武汉市位于江汉平原东南,郊区湖泊密布,港汊交错,堤垸纵横,冷浸田和冬泡田分布较广,面积占全部水田的41%,其中冷浸田的71.92万亩,冬泡田21.62万亩。所谓冷浸田是由于经常浸水和水冷、土温低而得名;冬泡田则因排水困难、冬季沤水而得名。它们的共 I. Introduction Wuhan City is located in the southeast of Jianghan Plain. The lakes are densely covered in the outskirts of the city. The criss-crossing ports and embankments are widely distributed. The area accounts for 41% of all paddy fields, of which 71.92 million mu Shutian 21.62 mu. The so-called cold dip field is often flooded and water-cooled, temperature is low and named; winter soaked fields due to drainage difficulties, named after the winter water. Their total