| 1. | I've heard that liebig has made some wonderful discoveries in the amelioration of soils .
我听人说利比黑在改善土壤这方面有过很了不得的发现。 |
| 2. | It also improves the ability of the soil to hold water
还可以改善土壤的吃水能力。 |
| 3. | Organic mulch improves the condition of soil
有机农地膜可以改善土壤环境。 |
| 4. | He studied how to improve soil conditions
他研究如何改善土壤状况。 |
| 5. | Improving the mechanical properties of the soils
改善土壤的机械性质 |
| 6. | Effects of plant root system on the anti - scourability of soil in the south of qilian mountain
祁连山南麓植物根系改善土壤抗冲性研究 |
| 7. | Organic fertilizers seemed very effective on improving soil fertility as well as soil properties
有机肥似乎对改善土壤肥力和土壤性状很有效。 |
| 8. | But for many small farmers , the cost of treating the soil is more than they earn from their crops
但是对许多小农来说，改善土壤的成本超过了他们种植庄稼的所得。 |
| 9. | Two other low - input ways to improve the soil involve using manure or nitrogen and phosphorus as fertilizer
还有两种低成本的方法可以改善土壤，包括施用粪肥或者氮肥、磷肥。 |
| 10. | Sorghum farmers in eastern uganda , working with scientists , have tested some lower - cost ways to improve their soil
乌干达东部的高粱农民和科学家一起测试了一些提成本改善土壤的方法。 |
