保持土壤肥力 meaning in English
conserving soil fertility
preservation of fertility
Examples
- Farmers rotate their crops so that the soil will remain fertile .
为保持土壤肥力，农民搞作物轮作。 - This research should focus on various cropping systems , rather than individual crops because we should not aim only at to obtain high yields but also need to assure the farmer the maximum financial return while preserving soil fertility for the long term
这种研究应集中于各种种植制度而不是单一作物，因为我们的目标不仅是获得高产、而且要保证农民在长期保持土壤肥力的同时获得最高经济收入。