After the rotten fertilizer is fermented before use, the microorganisms decompose the maneuverability body and feces into the ingredients that can be absorbed by plants; if the non -rotten fertilizer is not fermented before the use of fertilizers, if it is directly applied, the fermentation effect will be completed in the soil.
Rotten fertilizer needs a lot of oxygen during fermentation, which will generate a lot of calories and toxic gases, but it will not compete with the plants to compete with the plant during application. When the non -rotten fertilizer is applied, the fermentation is completed in the soil. Will burn the root system.
Rotten fertilizer has less impurities, and unpaid rotten fertilizers contain a large amount of germs and eggs. Plants are susceptible to pests and insects.
Earthworms can survive in the soil of rotten fertilizers, which can loosen the soil and promote the development of plant root systems; while there is a phenol or ammonia residue in non -rotten fertilizers, it is not suitable for earthworms to survive.
A part of the nutrients of rotten fertilizer can be transformed into fast -acting nutrients and can be quickly absorbed by plants. Nitrogen fertilizer in unprecedented fertilizers exists in the form of uric acid or uric acid. The crops are not only absorbed, but also harmful to the growth and development of the crop.