Study on water productivity of transplanted riceon furrowvariety of Tarom.

In orther to assess the effectsof rice transplantingcultivationonFurrowwithdifferentirrigationmanagementon yieldandyield componentsof rice(Taromvarieties) experimentbased onrandomized complete block designinvolvingfive irrigationtreatments T1(permanentirrigationthroughout thegrowth period), T2(irrigation adayafter thedisappearanceofsurfacewater), T3 (irrigation three days after thedisappearanceofsurfacewater),T4(irrigation fourdays after thedisappearanceofsurfacewater), T5(permanently saturated soil throughout the growing period), with three replications (plots with dimensions of 7 Χ 3 m ) were conducted in the Research FarmofRice Research Institute of Iran, Mazandaran(Amol) in 1390-1389crop year.Plantheight, tillers, leaf area, broken rice percentage, conversion ratio, harvest index, yieldandyieldcomponents and amountwaterconsumption, wateruseefficiency (W.h) (stemborerinfection) traits wasmeasured. Statistical analysis by SAS software and The average yield compared to the Duncan test was conducted at two levels: 1% and 5%,the sortingof dataandthechartdrawing was done in Excell . Test resultsshowed that the effectof treatments ontiller, chlorophylllevel and stemborerworms pollotion traits was nonsignificant and for the coefficient ofconversion efficiency, panicle lengthandgrain weight Wassignificantat thelevelof one percentandtheotherattributes(amountwaterconsumption ,wateruseefficiency, plant height, leaf area index, percentchange, un filledspikelet, filledspikelet, yield andharvest index) wassignificantat thelevelof two percent.The leastamountof consumed waterand yield belong tothefourth and fifthtreatments that Despite of highestrate ofthewateruseefficiency in fifthtreatments(the Despite of the highestperformancein frist treatment), permanently saturated soil throughout the growing period treatment To saveandprotectwater resourcesandto achieveoptimalperformanceisproper. Keywords: rice, yield, trasplantig cultivation, Furrow, wateruseefficiency