| | - : soil melioration, reclamation, soil reclamation, land restoration, soil conditioning, soil amendment
- n.: melioration, improvement of soil, Soil improvement
| | yán jiǎn tǔ | bǎi kē cí diǎn | sì liào | yuán lín | lǜ huà | rén wù | yī shī | tǔ rǎng xué jiā | shuò shì shēng dǎo shī | shēng tài nóng yè | tǔ rǎng xué | wú gōng hài shū cài | |
| | tǔ rǎng gǎi liáng jì | tǔ rǎng gǎi liáng wù zhì | huà xué tǔ rǎng gǎi liáng | nóng yè tǔ rǎng gǎi liáng | tǔ rǎng gǎi liáng yuán lǐ | shuǐ lì tǔ rǎng gǎi liáng | tǔ rǎng gǎi liáng shuǐ wén dì zhì kān chá | |
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