00878nam a2200205 k 4500001001300000005001500013008004100028041001300069049003200082052001700114056001500131082001400146245016500160260003600325300003200361502010200393650003400495653009000529700005300619KDM20045160320200805104011041019s2004    hbka       LB 000   kor  0 akorbeng0 lEM3180417lEM3180418c2fDP01a521.537b4-3  a521.537240 a631.722100a관개기 대구획 광역논에서의 영양물질 거동=xNutrient behavior at paddy field area with large-scaled plots during irrigation periods/d吳昇泳  a청주:b忠北大學校,c2004  axiii, 155p.:b삽도;c26cm1 a학위논문(박사) --b忠北大學校 大學院:c農工學科 農業水利工學專攻,d2004 8a관개[灌漑]0KSH1998004341  a관개a비점원오염a광역논a영양물질거동a농공학a농업수리공학1 a오승영,g吳昇泳,d1972-0KAC2016217774aut