Returning maize-straw into soil的用法和樣例：
例句
- Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸稈還田增加了土壤全氮和無(wú)機氮含量。 - Soil organic matter contents can also be raised through continuously plowing under stalks into land.
同時(shí)，近年來(lái)秸稈還田的增加有助于提高土壤有機質(zhì)含量。
