Why is it better to use biofertilizers for microbial fertilizers compared to other fertilizers? In recent years, microbial fertilizers have gradually gained recognition from farmers for their unique efficacy. However, as far as the current market is concerned, some companies have exaggerated product effects when selling products. What is the magical effect of microbial fertilizer? How to identify when purchasing?
1. Microbial fertilizer has unique effects, but it is not a "magic bullet"
Correct understanding of the unique efficacy of microbial fertilizers
· Increase soil fertility, which is one of the main functions of microbial fertilizers.
· Produce plant hormones to stimulate crop growth.
· Biological control of harmful microorganisms.
· Many microbial fertilizers have a good impact on crop quality after use.
2, see the logo, "anti-flicker"
No fertilizer registration certificate number of the Ministry of Agriculture should pay attention to
The fertilizer registration certificate for microbial fertilizers shall be issued by the Ministry of Agriculture. The label shall be: microbial fertilizer (age number) Pro (or quasi-) word XXXX, the implementation criteria are: bio-organic fertilizer (NY884-2012), compound microbial fertilizer (NY/T798) -2004), agricultural microbial agents (GB20287-2006). Be cautious when purchasing, pay attention to the various signs.
Buy microbial fertilizers, pay attention to the number of bacteria and the expiration date
First of all, for the microbial fertilizer itself, the number of bacteria is an important basis for measuring whether a bacterial fertilizer meets the standard. The national regulations on the effective viable count of microbial agents are ≥200 million/g (particles 100 million/g), compound microbial fertilizers and organisms. The effective viable count of organic fertilizer is ≥20 million / gram. If this standard is not met, the quality of the product will not meet the requirements.
Secondly, it is the effectiveness of the product itself. When applying the bacterial fertilizer, it is necessary to check whether the shelf life has passed. At present, the shelf life of the bacterial fertilizer in China is less than one year, and it should be applied as soon as possible after purchase. Of course, there are some storage time of bacterial fertilizer products. For a long time, for example, the spores are routinely preserved for 35 months of normal resuscitation, which is 23 months longer than conventional bacterial fertilizer.
3, pay attention to the application conditions, to achieve the best results
Temperature, the optimum temperature for applying bacterial fertilizer is 25-37 degrees Celsius, below 5 degrees Celsius or above 45 degrees Celsius, the application effect of bacterial fertilizer will be poor, and it is not suitable for crop fields under high temperature, low temperature and drought conditions. However, the tolerance temperature of the bacterium is 140 degrees, which broadens the limitation of the temperature of the fertilizer.
During the period, the best effect period of the bacterial fertilizer was the nutrient critical period of the crop and the 7-10 days before the nutrient mass absorption period, during which the fertilization effect was the best.
The amount of land used for over-application of chemical fertilizers depends on the fertilizer. Do not use fertilizer to completely replace the fertilizer, and gradually follow the steps.
Mixing, such as fungicides, insecticides, herbicides and sulfur-containing fertilizers (such as potassium sulfate) and straw ash can not be mixed with bacterial fertilizer, they will kill the bacteria and destroy the fertilizer. (China Agricultural Materials Media)
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