Expired yogurt. When making fertilizer, expired yogurt can also be used as raw material. Dig it out and put it into a plastic bottle for fermentation, which can make it grow more vigorously in about ten days;
Cake fat. Cake fertilizer is the residue left after oil pressing. It can be used directly after collection, which can make the stems of plants stronger and grow more vigorously;
Rotten rice washes water. Usually the water from rice washing can be collected and fermented in the sun. After complete fermentation, it can also be used as fertilizer, which is beneficial to plant growth.