agronomic rate

• 农作物

agronomic rate的用法和样例：

例句

1. Today, the rate of desert expansion in Niger is dropping and the amount of harvested crops is up.
   现在，尼日尔沙漠的扩展速度在下降，而农作物的总数则在上升。
2. One of the agronomic crops that was used to determine the effects of soil heating was grass.
   牧草是经常用来测定土壤加热影响的一种农作物。