high productive soil

例句：

1. 1. High-yielding soil is essential for agricultural development.
   高产土壤对于农业发展至关重要。
2. 2.The farmer used to plant crops in his high-productive soil.
   这位农民过去经常在他的高产土壤中种植作物。
3. 3.The farmers are trying to improve their high-productive soil to increase yields.
   农民们正在努力改善他们的高产土壤，以增加产量。