00000nz a2200000n 4500 001 KSH2006003599 005 20060619171939 008 060619 n azknn|abn |a a|a | 150 ▼a농업 자원[農業資源]▲ 450 ▼wr▼i영어▼aagricultural resource▲ 550 ▼wg▼a천연 자원[天然資源]▲ 550 ▼wh▼a농지[農地]▲ 550 ▼wh▼a토양 자원[土壤資源]▲