灌水量与灌溉方法对木薯新选048产量和土壤理化性状的影响  

Effects of Different Irrigation Amount and Methods on the Physical and Chemical Properties of Soil and the Growth of Cassava

作　　者：单忠英[1] 罗兴录[1,2] 樊吴静[1] 莫凡 

机构地区：[1]广西大学农学院,广西南宁530005 [2]亚热带农业生物资源保护与利用国家重点实验室,广西南宁530004 [3]南宁市灌溉试验站,广西南宁530001

出　　处：《热带作物学报》2016年第3期493-498,共6页Chinese Journal of Tropical Crops

基　　金：广科技攻关项目(No.桂科攻1222014);广西水利厅科技项目(No.201413);南宁市科技攻项目(No.20132307);高产优质木薯新品种选育及配套高产高效栽培技术示范推广(No.201109044B);国家自然科学基金重点项目(No.U1033004-09);国家现代农业产业体系广西薯类创新团队(No.nycytxgxcxtd-03-11-2)

摘　　要：以木薯品种‘新选048’为材料,进行不同灌水量与灌溉方法对土壤理化性状、木薯生长及产量影响研究,以探讨木薯苗期最佳的灌水量与灌溉方法。结果表明:同一灌水量下,膜下滴灌的土壤含水量、土壤孔隙度、土壤气相比例、土壤肥力、叶片含水量、株高、茎径、产量均比其它处理高;不同灌水量对土壤改善、木薯生长及产量的影响不同,1 200 m3/hm2膜下滴灌效果最好。可见,木薯采用灌水量为1 200 m3/hm2的膜下滴灌处理,对改善土壤理化性状,促进木薯生长、提高产量最为有利。The effects of different irrigation amount and methods on the physical and chemical properties of soil,the growth of cassava and yield were studied in this experiment, of which the cassava variety ‘xinxuan048＇ was used as the materials. The results showed that the soil water content, total porosity, the gas phase ratio, the soil fertility, the leaf water content, plant height, stem diameter, the yield of drip irrigation under mulch were higher than other treatments. The effects were different with different irrigation amount on improving soil, the growth of cassava and the yield. The effect of 1 200 m^3/hm^2 irrigation amount was the best. In short, the drip irrigation under mulch with 1 200 m^3/hm^2 was best to the improvement of the physical and chemical properties of soil, the growth of cassava and the yield.

关 键 词：灌水量 灌溉方法 土壤理化性状 木薯生长 产量 

分 类 号：S533[农业科学—作物学]