00925nam a2200229 k 4500001001500000005001500015008004100030040001900071041001300090049003200103052002100135056001300156082001500169100004800184245020700232260003600439300003000475502007700505653006900582900002700651963001700678KDM199630020  20200818092723961130s1996    jbka       OB 000   kor    a011001c0110010 akorbeng0 lEM1453422lEM1453423c2fDP01a521.3b양975ㄴ  a521.3230 a630.242191 a양창휴,g梁昌烋,d1956-0KAC20170232910a논밭輪換 耕作時 土壤의 理化學性, 作物生育 및 雜草發生의 變化=xChange of soil physico-chemical properties, plant growth and weed population by paddy-upland rotation/d梁昌烋  a익산:b圓光大學校,c1996  axi,102장:b삽도;c26cm1 a학위논문(박사) --b원광대학교 대학원:c농화학과,d1996  a논밭윤환a경작a토양a이화학성a작물생육a잡초10aYang, Changhyu,d1956-  a농화학과