“农学家”的英语？

那位农学家建议在干涸的河床上种水稻.The agronomist suggested growing rice on the dried river bed.男孩一心想成为农学家.The boy aims at becoming an agriculturist.牲畜的生长或其产品的生产量是农学家最关心的问题.Animal growth or product yield is the ultimate concern of the ag...