Nóng / mín / bǎ / lǜ / féi / fān / rù / tǔ / zhōng / yǐ / zēng / jiā / tǔ / rǎng / de / yǎng / fèn

农民把绿肥翻入土中，以增加土壤的养分。

Farmers plow green manure into the soil to increase its nutrients.