Microbial fertilizer is a good thing, how to avoid being fooled

For a long time, there have been some misunderstandings and prejudices about the concept of microbial fertilizer in society. One view is that it is highly effective, treating it as a universal fertilizer, and even threatening to completely replace fertilizer; another view is that it is not a fertilizer at all. In fact, experiments have shown that inoculation of soybeans, peanuts and other legumes with Rhizobium can improve the symbiotic nitrogen fixation efficiency, and indeed have the effect of increasing production. Reasonable application of other bacterial fertilizers for seed dressing or application of microbial fertilizers can also increase the yield of non-legume crops, and also have fertilizers. Can not achieve the effect.

In this way, microbial fertilizer is a good thing, but looking at it, it is wrong to buy it, and good things are not good. At present, all kinds of microbial fertilizers in the market are mixed, and many farmers are confused or deceived when they choose products. Then you must not pay attention to the following questions.

Microbial fertilizer: no fertilizer registration certificate number of the Ministry of Agriculture should pay attention to

For microbial fertilizers, including bio-organic fertilizers, compound microbial fertilizers, and agricultural microbial agents, the package name should include the name of the fertilizer, trademark, specification grade, net content, nutrient content, manufacturer's address, telephone and batch number, and fertilizer registration certificate. No., implementation standards.

The fertilizer registration certificate for microbial fertilizers is issued by the Ministry of Agriculture and is marked as: 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).

The product packaging label is “microbial organic fertilizer”, but the implementation standard is organic fertilizer standard (NY525-2012), and the fertilizer identification number is issued by the Ministry of Agriculture and is issued by the provincial agricultural department (Lu Nongfei [2012] Lin Zi 0085) Therefore, this product is a problem product and should be used with caution.

At present, the main problems in the microbial fertilizer market are: some enterprises without fertilizer registration certificate counterfeit the registered enterprise registration certificate production; or some of the certified enterprises are free to transfer the fertilizer registration number to enterprises that do not have microbial fertilizer production capacity. produce;

Or use the registration certificate number issued by the provincial agricultural department on the microbial fertilizer packaging bag; or change the packaging label at will, misleading consumers, such as: compound microbial fertilizer, the total nutrient of NPK is too small to have the effect, too much It affects the survival of biological bacteria, but some packages indicate that the total nutrient of NPK is more than 40%. This product is obviously a fake and inferior compound microbial fertilizer product, which should be purchased with caution.

How do microbial fertilizers achieve the best results?

Want to achieve the best results with microbial fertilizers, Xiaobian to teach you a few tricks.

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.

In addition to the conditions of the bacteria fertilizer itself is the external factor.

1. The first point is the temperature. The optimum temperature for applying the bacterial fertilizer is 25-37 degrees Celsius, lower than 5 degrees Celsius or higher than 45 degrees Celsius. The application effect of the bacterial fertilizer will be poor, and the crop field under high temperature, low temperature and drought conditions will be poor. Blocks should not be applied. However, the tolerance temperature of the bacterium is 140 degrees, which broadens the limitation of the temperature of the fertilizer.
2. In the second period, the best effect period of bacterial fertilizer was about 7-10 days before the nutrient critical period of the crop and the large absorption period of the nutrient. During this period, the effect of applying the fertilizer was the best.
3. The third point of use, a piece of land over-application of fertilizers is dependent on fertilizers, do not suddenly replace the fertilizer with fertilizer, it must be gradual.
4. The fourth point of 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.

Of course, microbial fertilizers are not omnipotent. In order to achieve the best application results, it is necessary to pay attention to all aspects of the problem. You have better identification or application skills, message exchanges and exchanges! (Agricultural Resources Guide)

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