水稻间歇灌溉技术的探讨  

Research on the Intermittent Irrigation in Rice Fields

作　　者：王义炳[1] 孙进[1] 王少华[1] 

机构地区：[1]南京农业大学资源与环境学系,南京农业大学农学系

出　　处：《水土保持研究》1996年第3期108-111,117,共5页Research of Soil and Water Conservation

摘　　要：江苏省淮北白浆土分布区，季节性干旱灾害，水资源短缺，水稻采取间歇灌溉技术，１９９１年灌溉定额为３４０９．５ｍ３／ｈｍ２，１９９２年为２７３０ｍ３／ｈｍ２，比常规灌溉方法的１９９１年平均每公顷灌溉水４８５１ｍ３，１９９２年平均每公顷灌水４５３６ｍ３，节水３０％～４０％。白浆土稻田断水后土壤水分必须控制在田间持水量的６０％～８０％以上，土壤水吸力掌握在０～０．１ＭＰａ范围。In Huaibei Albic soil region of Jiangsu province, seasonal drought is striking and intermittent irrigation was applied in rice fields. The fixed irrigation amount were 3 409. 5m3/hm2 and 2 730m3/hm3 in 1991 and 1992 respectively. If the routine irrigation was applied, the amount would be 4 851 m3/hm2 and 4 536 m3/hm2 on average in 1991 and 1992 respectively, the watersaving is 30 % ￣40 %. In Albic rice fields,after cutting off the water supply, the soil moisture should be over 60%￣80% of field moisture capacity and soil moisture suction should be controlled under 0.1 MPa.

关 键 词：水稻 间歇灌溉 节水 

分 类 号：S511.071[农业科学—作物学]