agriculturist

例句：

1. 1. He is an expert in the field of agricultural sciences.
   他在农业科学领域是一位专家。
2. 2. The agronomist advised the farmers to plant more crops.
   这位农学家建议农民种植更多的作物。
3. 3. Agricultural research is essential for sustainable food production.
   农业研究对于可持续的食品生产至关重要。