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。
2
Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as greenmanure or cover crop.
两年生欧亚植物，花黄色，其叶芳香，用做祛风剂或调味品；广泛栽培，尤其作绿肥或覆盖作物。
3
A greenmanure is a crop grown mainly to improve soil fertility.