1、 Peel fermentation

Fertilization during the flowering period, the appropriate flowers will promote the colorful flowers, more flowers, and the flowering period will be longer. When choosing fertilizer, if you don't want to do it yourself, you can buy flowers and flowers, similar to the prepared fertilizer, or you can prepare it yourself. When preparing, use the eaten fruit peel, such as banana peel and orange peel, cut it into long strips or cut it into pieces, put it into a sealed container for fermentation, and mix it with water after fermentation. It contains more potassium and scales, which is good for flowering

2、 Kitchen waste

You can also use common kitchen waste, retting vegetables and leftover egg shells for later use. However, it is best not to ferment with something with oil, because it has a great impact and high salt content, which is very unfavorable to the growth of Catharanthus roseus

3、 Soybean fermentation

The most commonly used method is to Rett soybeans after they are cooked. The disadvantage of this method is that it tastes very strong. If it is used at home, it should be avoided as far as possible, because soybeans will produce the smell of rotten eggs after fermentation, and the taste is particularly strong, so this method is not recommended at home