Title: EFFECTS OF DIFFERENT CULTIVATION SYSTEMS ON RICE GROWTH IN PADDY-FIELD
Abstract: Aimed at the problem of paddy-field under conventional planting mode,three kinds of paddy-field ecotypic structures were established including rice-autumn vegetable-spring potato,rice-autumn potato/rape and rice-autumn vegetable-wheat were studied.The results indicated that under the condition of rice-autumn vegetable-spring potato、rice-autumn potato/rape and rice-autumn vegetable-wheat,the three cultivation systems mentioned were fine,and the structure of rice colony were in reasonable.The quantity of rice ramification,panicle,grain,kilo-grain weight,products,WUE,leaf area of rice and photosynthesis velocity during different growing period were enhanced to a certain extent.Compared with conventional cultivation system,kilo-grain weight increased by 0.73,0.30 and 1.51g,respectively.And the yields also increased by158.7 kilogram/hm~2、99.2kilogram/ha and 109.0 kilogram/ha.Besides,The WUE of rice increased by:10.99%,5.60%,12.73% foe different treatment.The influencing of water-fertilizer coupling caused by new cultivation systems at the late period of rice growth was behaved.Meanwhile,the cultivation systems,which paddy-field ecotypic structures were established,posse other functions,such as production cost,protecting environment,reducing plant diseases and insect pests,and preventing weed,which would promote the reform of paddy-field cultivation system in Sichuan province.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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