Shortcomings in the research and application of microbial fertilizers in our country (I)

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Currently, there are some issues in research within the field of microbial fertilizers; for example, most studies focus on bacteria that promote plant growth, while there is little research on fungi. This is mainly because it is still not possible in the laboratory to effectively cultivate beneficial true mycelium, which makes the process difficult and hinders the acquisition of a large quantity of fungi for inoculation. At the same time, this inevitably leads to some prominent issues in the application of bacterial fertilizers. 1. Basic research lags behind practical applications. Although microbial fertilizers have been in use for a long time, there are many unresolved theoretical issues. Very few formal research teams undertake theoretical research. At present, many studies remain limited to analyzing the reasons for increased yields, isolating strains, and conducting field trials. There is a lack of understanding regarding the microorganisms themselves in microbial fertilizers and products – such as the nature of their functions, the optimal and most reasonable manufacturing processes, the mechanisms by which these microorganisms settle in and reproduce in the soil and rhizosphere after application, their ecological behavior, competition with similar or different microorganisms in the soil, and the factors that affect their efficacy. The depth of these studies is insufficient, which weakens the foundation of microbial fertilizers. 2. The phenomenon of strain degradation is severe. The main problem in the production of microbial fertilizers in China is the lack of suitable strains. At present, the production strains used by the vast majority of bacterial fertilizer manufacturers are not suitable for application, as their yield and performance are not stable enough. Another problem in the production of microbial fertilizers is strain degradation. The technology for producing bacterial fertilizers focuses mainly on bacterial fertilizers; however, the spontaneous mutability of bacteria often reduces their productivity, and moreover, many useful genes are located on plasmids and are prone to being lost. For a good microbial fertilizer product, the strains used in its production must be of high quality. However, obtaining a strain that meets the requirements for industrial production is not a one-time task; it is necessary to continuously purify, strengthen, and screen the strains throughout the production process to ensure that microbial fertilizers meeting the specified standards are produced. Source: http://www.dlyph.com/info.php?did=120&*d=121&newsid=536 (Biofertilizer). Please indicate the source when reproducing this content; thank you for your cooperation!