摘要
试验对宁夏中部干旱带旱地覆膜西瓜根际补灌栽培技术进行了研究。结果表明:以相同补灌量(5kg/株)在不同生育时期实施1次补灌,以显蕾开花期供水效率和产量最高,分别达1 760.19 kg/(mm.hm2)和40 767kg/hm2;在同一生育时期(显蕾开花期)以不同补水量实施1次补灌,在同时满足供水效率最高和产量最大的前提下,以3 kg/株的补灌量较适宜。在最佳补灌时期实施适量补灌,能够达到节水、增产和高效补偿供水的目的。
Field trials are conducted to study the rhizosphere supplementary irrigation for watermelon in the arid area of central Ningxia.The results show that,as for the same irrigation amount（5 kg/plant）,flowering and fruit-bearing periods are the stages of complementary irrigation with the most water supply and yield-increasing efficiency,respectively 1 760.19 kg/（mm·hm^2） and 40 767 kg/hm^2;using defferent irrigation amount at the flowering and fruit-bearing periods,both the yield and water supply efficiency are the largest under the irrigation amount of 3 kg per plant each time.To carry out complementary irrigation with optimum amount at proper stages is an effective way for saving water,increasing yield and using complementary water efficiently.
出处
《干旱地区农业研究》
CSCD
北大核心
2010年第6期12-14,22,共4页
Agricultural Research in the Arid Areas
基金
宁夏回族自治区十一五科技攻关项目"旱地补水高效农业技术的集成与示范"
宁夏中部干旱带和南部山区旱作高效节水农业科技支撑项目
同心县富民强县项目"旱地扬水补灌高效农业科技示范基地建设"
关键词
旱地西瓜
显蕾开花期
水分生产效率
供水效率
watermelon in arid area
flowering and fruit-bearing periods
water use efficiency
water supply efficiency
