watering frequency

例句：

1. 1. The farmers need to adjust their irrigation frequency to ensure the crops are adequately watered.
   农民需要调整他们的灌溉频率，以确保作物得到足够的水分。
2. 2.The irrigation frequency is crucial for maintaining soil health and preventing crop diseases.
   灌溉频率对于保持土壤健康和预防作物疾病至关重要。
3. 3. The irrigation frequency can vary depending on the type of plant and the climate conditions.
   灌溉频率可以根据植物类型和气候条件而变化。