humus
US /ˈhjuː.məs/
UK /ˈhjuː.məs/
名詞
腐植土
a dark, organic material that forms in soil when plant and animal matter decays. It is a key component of fertile soil.
例:
•
Adding plenty of humus to the garden soil will improve its fertility.
庭の土にたくさんの腐植土を加えると、その肥沃度が向上します。
•
Rich, dark soil is often a sign of high humus content.
豊かで暗い土壌は、しばしば高い腐植土含有量の兆候です。