01023nam a2200253 c 4500001001300000005001500013007000300028008004100031041001300072049003200085052001500117056001300132082001500145245020700160260003700367300003500404502009300439504002900532525010400561546002500665700004500690900001600735900001800751KDM20085189720210928134120ta080929s2008    hbkd     m LB 000   kor  0 akorbeng0 lEM4316985lEM4316986c2fDP01a521.3b8-6  a521.32401a630.2422100a시설재배 토양과 지하수 질산태질소 집적 및 상추시비 관리 =xNitrate accumulation in soils and groundwater and fertilizer management for lettuce in plastic film houses /d李景子  a청주 :b忠北大學校,c2008  axiv, 132장 :b도표 ;c26 cm1 a학위논문(박사) --b忠北大學校 大學院,c農化學科 農化學專攻,d2008  a참고문헌: 장 84-102  a권말부록: Chemical properties of top(0-20 cm) soils of plastic film houses obtained in 2000 등  a영어 요약 있음1 a이경자,g金景子0KAC2018J01864aut10aI, Gyeongja10aLee, Gyeongja