| 1. | Yet , the middle west an area known as the corn belt has received enough rain
但是,中西部玉米带获得足够的雨水。 |
| 2. | Iowa is in the corn belt
爱荷华州地处玉米带。 |
| 3. | Countermeasures of drought risk management in corn for grain in america and the enlightenment to northeast china
美国玉米带旱灾风险管理经验对我国的启示 |
| 4. | It is of significance to study the impacts of climate change on crop productivity in past years , in songnen plain , one of important agricultural zones
本文选取松嫩平原玉米带为典型区，进行过去气候变化对作物产量影响的实证研究。 |
| 5. | After having joined in wto , this situation is becoming more serious . . even some researchers proposed that we should abandon the corn industry in inner mongolia
我区玉米主产区是我国玉米带上的优势地段，具备玉米生产的经济优势。 |
| 6. | Through field investigation and soil fertility index analysis , causes and mechanism of fertility degradation of black soil in the songliao plain were explored
通过田间调查和土壤肥力指标分析，探讨了松辽平原玉米带黑土肥力退化的原因和机理。 |
| 7. | For example , in colder soils of the american corn belt and drier areas of the argentine pampas , banding is the preferred method for phosphate fertilization
如在美国“玉米带”的寒冷地区和阿根廷的干旱热带草原地区，条施是磷肥施用的优选方法。 |
| 8. | Through field investigation and soil fertility index analysis , causes and mechanism of fertility degradation of black soil in the songliao plain were explored
摘要通过田间调查和土壤肥力指标分析，探讨了松辽平原玉米带黑土肥力退化的原因和机理。 |
| 9. | The same logic applied in the eastern counties of north and south dakota , in south - west minnesota and in other parts of the corn belt where getting corn to market is costly
同样的情形也存在于南北达科达州的东部地区、明尼苏达州西南部地区以及其他处于玉米带中的、将玉米运到市场费用高昂的地方。 |
| 10. | It thus follows that the present improper systems of cultivation , fertilization and continuous corn cultivation are the main causes of fertility degradation of black soil in the corn belt of the songliao plain
因此认为，现行的不合理的耕作、施肥及玉米连作制度是导致松辽平原玉米带黑土肥力退化主要原因。 |
