The method is called alternate wetting and drying, or AWD.

这种方法被称为交替干湿法，或称AWD。

Van said the AWD method helps him in several ways.

Van表示，AWD方法在几个方面对他有帮助。

He said the AWD method uses 40 percent less seed and 30 percent less water.

他说，AWD方法使用的种子减少了40%，水减少了30%。

For the past two years, he has been using the AWD method with support from one of Vietnam's largest rice exporters, the Loc Troi Group.

在过去的两年里，他一直在越南最大的大米出口商之一Loc Troi Group的支持下使用AWD方法。