Crops

Application method

Potato

Apply to whole-plant at early bloom stage. Rates of use are usually 20ml/mu in 20-30L water as a spray. If the plant has good growth potential, spray 10-15 days later in the same dose.

Sweet potato

Apply to whole-plant at early expanding stage. Rates of use are usually 20ml/mu in 25L water as a spray. If the plants are in good growth condition, spray 10-15 days later in the same dose.

Taro

Apply to whole-plant when earthing up. Rates of use are usually 20ml/mu in 25L water as a spray. 15 days later, spray in the rate of 30ml/mu in 30-40L water.

Turnip or carrot

Apply to whole-plant at early expanding stage when the tuber is 1-1.5cm long. Rates of use are usually 20ml/mu in 20-30L water as a spray.

Mustard

Apply to whole-plant at early expanding stage. Rates of use are usually 20ml/mu in 20-30L water as a spray. If the plants are in good growth condition, spray 10-15 days later in the same dose.

Cassava

Apply to whole-plant at the mid of the expanding stage. Rates of use are usually 30ml/mu in 30-40L water as a spray.

Sugarcane

Apply to whole-plant at the mid or late stage. Rates of use are usually 30ml/mu in 30-40L water as a spray.

Lettuce

Apply to whole-plant at early expanding stage. Rates of use are usually 20ml/mu in 20-30L water as a spray. Spray 10-15 days later in the same dose if needed.

Celery

Apply to whole-plant 20-25 days before harvest. Rates of use are usually 20ml/mu in 20-30L water as a spray.

Garlic

Apply as spray one month after germination in the rate of 20ml/mu in 20-30L water; apply as spray seven days before bolting in the rate of 20ml/mu in 20-30L water; apply to whole-plant at the late expanding stage in the rate of 20ml/mu in 30L water.

Water chestnut

Drain the field and apply as spray during the expanding stage. Rates of use are usually 30ml/mu in 25-30L water as a spray. No water shall be expected in the next two days.