| Chemical availability |
化學酉效率 |
| Chemical composition |
化學組成 |
| chemical constituent analysis |
化學成份分析 |
| chemical control |
藥劑防治 |
| chemical control |
化學防治 |
| Chemical element |
化學元素 |
| Chemical eluviation |
化學溶提〔作用〕 |
| Chemical factor |
化學因子 |
| Chemical fertilizer |
化學肥料 |
| Chemical fertilizer pollution |
化肥污染 |
| Chemical gardening |
化學園藝 |
| Chemical hydrometer |
化學比重計 |
| Chemical identification |
化學鑒別 |
| Chemical immunity of plant |
植物化學免疫性 |
| Chemical mutagen |
化學誘變劑 |
| Chemical net cleaning |
化學清網 |
| Chemical oceanography |
海洋化學 |
| chemical oxygen demand |
化學需氧量 |
| Chemical pollution |
化學污染 |
| Chemical presservatives |
化學保存劑 |
