土壤有機質(zhì)分解率 native soil organic matter: 土壤原有機質(zhì)organic matter of soil: 土壤有機質(zhì)soil organic matter: 土壤有機質(zhì)soil organic matter balance: 土壤有機質(zhì)平衡soil organic matter fractions: 土壤有機質(zhì)部分下載手機詞典可隨時隨地查詞查翻譯