When the greenmanurecrop up pressure to the soil, soil rich in organic matter.
当绿肥作物翻压到土壤中，可以使土壤中的无机质丰厚。
2
Other organic tactics for boosting soil quality include cover crops (aka "greenmanure"), crop rotation and composting.
其他增大土壤肥力的策略包括作物肥田(亦作“绿肥”)、轮种和堆肥。
3
Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as greenmanure or cover crop.