BACKGROUND: Rice is the most important staple food in Asia but has also been identified as one of the major sources of cadmium (Cd) intakes for some Asian population. This study investigated whether grain yield could be maintained but Cd in grains be reduced through proper irrigation management when rice was grown in Cd-contaminated soil.

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ܻՋ‫‬ ᐓঔॿ ཷोભ ฆᄝஶ ཷߙФ * (୬য࠰ࣞເᘒርѳႥᩄєᅯᄩ်ࣼᴆँ, ເᘒ୬য 225009) ొ ᠮ: Ͼ 2004 ‫ڏ‬ 2005 ৪‫ޒ‬୬য࠰ࣞᢇᴆԲ‫ޜ‬ᨁ៙ϸθ‫ه‬ᓥᮓ߫‫߄ݺ‬ອጲԲᗠ‫ڏ‬ᅯᄩથႼሂጻǍ 2 όᓥᮓ(Cd) ߫‫߄ݺ‬ю 63(ശЌᏖጲ)‫ڏ‬୬Ꮹ 9538(Ꮹጲ)‫؛‬ 2 ό Cd ಈ߫‫߄ݺ‬୬ጲ 6 ‫(غ‬Ꮦጲ)‫ڏ‬᧺Ꮹ 7 ‫(غ‬Ꮹጲ)ጐ෪ϾሔᬍǍ Ͼጠඤ-ሔᬍ‫ސ‬Ϗ֣Ԓ Cd, ༼ਇϖ 150 mg kg −1 (Cd ࠣᄩ), зഫ֣ Cd ϖणၪ(CK)ǍCd ࠣᄩ‫,ى‬ ᓥ Cd ߫‫߄ݺ‬ᏗᏚЏ CK ᰄѨ 6.2%~8.9%, Cd ಈ߫‫߄ݺ‬ЏणၪᰄѨ 38.3%~47.1%Ǎሔጸಕ‫ڏ‬ጸᲛᘁಕᚻՋमՋЏሂ ϗᠮ،‫,ݺ‬ ᐿࣼᄃ‫ךڏ‬Ꮪ‫ޒ‬ Cd ࠣᄩ‫ڏ‬ CK ᯆ಼ᚻসਢǍCd ࠣᄩᚻռ Cd ಈ߫‫߄ݺ‬ሂդᜬ‫؟‬ᅯ, दᖩಗό ᅯᔪന২Ⴅᤇጝᐅሂᚻζᰄ, ѦणႥᤇ᧺ᦹᄃ‫ڏ‬౾ᚅுಕ಼ᚻ‫ڶ‬Ǎ‫ޒ‬ Cd ᔳᨍζ, դᜬᖨᗤന Cd ಈ߫‫ݺ‬ ߄ሂජ༫֟nj‫ع‬႗Ԉ‫ل‬ᨬᄃnj᥌ລ‫‬Ⴅ‫‬᪱‫᧷ڏ‬ລ‫‬ຢ᪱༫થѨϾᓥ Cd ‫,߄ݺ߫‬ ‫ع‬႗᥌ລᖥᅸ߫‫᧷ڏ‬ລ‫‬ ຢٝnjϫၐಂᨬᄃ‫؛‬ජі༯ཧϏ 1-߫ᄏρၑ-1-ᒿ᪳༼ਇկᚻᴬϾᓥ Cd ߫‫߄ݺ‬Ǎஒጸз‫ى‬ Cd णεᨐᅯᄩ ுඎз‫؛‬ಗόᅯᔪന‫ع‬႗ᕪᚸ಼᪳ٝᚻ‫ڶ‬Ǎ ᢥ Cd णອጲᅯᮺ‫؟‬ᔪሂ‫ڶ‬ϗᠮ‫ޒ‬ᅯᔪ-ന(դᜬᖨᗤന), നդᜬ‫؟‬ᅯࠫnjජ༫֟‫عڏ‬႗ລ‫‬Ҭஈᑊᕗ֟‫؛‬ϫၐ‫ିل‬मᓥ Cd ߫‫߄ݺ‬ອጲሂϗᠮԲᗠ‫ڏ‬ᅯᄩႪǍ