This method requires spraying both before and after the rainy season, a total of four times. Chen, however, advocated using phosphoric acid and potassium hydroxide, which only needs to be sprayed twice. Though they still have their differences, at least they now agree on one thing: the best way to deal with these kinds of differences of opinion is to spend more time talking them over.
若用這種方法，必須在沒有結果實前和雨季後共噴灑 4 次，然而陳泰龍卻主張用有類似效果的亞磷酸和氫氧化鉀混合液，因為只要在雨季前後施用 2 次就好。