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This study was carried out to a comparison of nutrient value and total digestible nutrient yield for select the promising barley cultivar for whole crop silage in paddy field of Suwon from 1998 to 2001. In milk stage, acid deterent fiber(ADF) content of barley were 27.3~29.1, 27.4~30.4 at yellow ripe stage. Neutral deterent fiber(NDF) content of milk and yellow ripe stage were 50.6~55.9 and 53.1~60.6. Also, total digestible nutrient(TDN) content of milk and yellow ripe stage were 65.4~67.4 and 64.3~67.7. And TDN yield at milk and yellow ripe stage were 4,120~5,528 and 5,674~6,569 MT per ha and in vitro dry matter digestibility(IVDMD) at milk and yellow ripe stage were 65.8~74.6 and 64.6~73.9 The for promising barley cultivars for whole crop silage in paddy field were Albori at Suwon. it was best before yellow ripe stage for harvest in cropping system.