The working principle of microbial fertilizer
The growth of crops requires nutrients. Nitrogen, phosphorus and potassium are the three major nutrient elements for crop growth. Among them, nitrogen is the key nutrient element for crop growth. However, the air contains 80% nitrogen, which cannot be used because crops cannot absorb it. These elements are contained in chemical fertilizers, which can provide nutrients to crops, and the application of chemical fertilizers can greatly increase crop yields. However, the long-term application of chemical fertilizers has brought great side effects. In the past 50 years, the amount of chemical fertilizers in the world has increased by 60 times. Excessive application of chemical fertilizers not only destroys the soil structure, reduces the quality of crops, pollutes the environment, but also accumulates a large amount in soil and crops. Nitrates, after entering the human body, become nitrites, which make the blood lose its oxygen-transporting function and cause cancer.
Scientists have found through research that microorganisms have the magical function of fixing nitrogen, and can convert free nitrogen in the air into effective nitrogen that can be absorbed and utilized by crops. Scientists also found that the phosphorus and potassium bacteria in microorganisms can decompose the fixed phosphorus and potassium elements in the soil and release them for crop utilization. Those effective bacteria that multiply rapidly can also stimulate the growth of crops and play a role in disease prevention. As a result, scientists have selected beneficial microorganisms that can be artificially cultivated, and produced live microbial products through industrial fermentation, which can be directly used in agricultural production. Microbial fertilizer is a kind of product that leads crops to obtain specific fertilizer effects by microbial life activities, so as to promote crop growth or increase yield or improve quality.
In fact, microbial fertilizer is nothing new. The application of microorganisms in agriculture and the environment has a long history. The use of microorganisms to serve agricultural production has always been a cutting-edge technology and has been in the research and experimental stage in the past few decades. In recent years, due to the breakthrough development of biotechnology and fermentation technology, microbial fertilizer has been industrialized and widely used in agricultural production.
