agronomist

例句：

1. 1.The agronomist advised the farmer on the best practices for crop rotation.
   这位农业学家向农民建议了轮作的最佳实践。
2. 2.The agronomist's research has led to significant improvements in crop yields.
   这位农业学家的研究已经导致作物产量的显著提高。
3. 3. The agronomist is responsible for advising farmers on the best practices for sustainable agriculture.
   这位农业学家负责向农民提供可持续农业的最佳实践建议。