1. Prepare crushed straws such as peanut shell powder and soybean meal at the ratio of 1 ~ 1.

2. Secondly, the peanut shell powder and soybean meal are evenly mixed, and the water content of the mixture is controlled at 60%. Per 1000 kg of soybean meal mixture, add 100 g of special starter and 3-5 kg of bran or corn flour, and mix evenly.

3. Finally, pile up the mixed materials. Pile width 1.5 m, height 1 m, unlimited length. It can be used as fertilizer after 24 to 48 hours, 12 to 15 days.