Farmers don’t know about E. coli infection, they don’t know what metal residues are, let alone pesticide residues. In their opinion, as long as the vegetables grow well, they are good vegetables.
But in fact, most of the vegetables grown in rural areas are irrigated with farmyard manure. In addition to a large amount of livestock manure fertilizer, there is also human manure fertilizer. These fertilizers can easily cause E. coli infection on vegetables.
If the cleaning is not thorough enough and the heating is not sufficient, people who eat such vegetables will be easily infected with E. coli, resulting in a series of symptoms and even collective poisoning symptoms.
In addition, the cooking time of vegetables is relatively short, and some vegetables can even be eaten raw, so they are more likely to be infected with E. coli.
Therefore, vegetables purchased in rural areas must be fully soaked, washed, and fully heated before eating. Try to avoid eating them raw to avoid being infected by E. coli.
This is also the reason why many units and school cafeterias and hotels rarely use rural vegetables, no matter how cheap they are, to avoid collective poisoning caused by E. coli infection. This is not a trivial matter. Once it occurs, it will What ushered in was an indefinite shutdown for rectification.
In addition to E. coli infection caused by farmyard manure, there is also heavy metal infection, which generally does not occur, but even if it does occur, it is difficult to detect unless it is professionally tested.
For example, if the land being planted is polluted by nearby chemical plants, or if the vegetables and fruits grown are irrigated by polluted water sources, heavy metal residues in these fruits and vegetables will exceed the standard.
Once people eat these things, various problems will occur, which may be life-threatening in severe cases.
The most common problem faced by rural vegetables and fruits is the problem of pesticide residues. Especially in order to sell vegetables, many farmers spray a lot of pesticides to ensure that these vegetables are not affected by pests and diseases and maintain good quality and appearance. As everyone knows, the pesticide residues in these things are very high. Even after repeated cleaning, it is difficult to remove because the plants have absorbed this part of the pesticide and have not had enough time to metabolize and evaporate, so it is difficult to remove.
Therefore, we often hear news that the Market Supervision Bureau randomly inspected agricultural and sideline products and found that the pesticide residues in the vegetables sold seriously exceeded the standard, so heavy fines appeared.
There are still many people on the Internet who don't understand, and they are trying to excuse these traders and farmers, saying that it is too heavy a step, that they are washing the blood of farmers, that they do not care about their lives, etc.
So let me ask, what would be the reaction if these people bought these vegetables with excessive pesticide residues? Food safety is more important than Mount Tai, and we must not just muddle along.
As for vegetables in supermarkets, of course there are many problems. For example, because most of these are commercial vegetables grown on a large scale, they may not be as good as some rural vegetables in terms of flavor, taste, and so-called nutrition. But it is absolutely guaranteed in terms of safety.
First of all, because it is grown on a large scale, the management is more scientific, and there will definitely be no heavy metals, E. coli, or pesticide residues.
Moreover, vegetables will undergo strict supervision measures during their growth process, including when they are harvested and sold. Only when the products are qualified will they be shipped out for sale.
At the same time, supermarkets will also conduct long-term tracking and supervision of the safety of these vegetables. Once problems are detected, they will stop accepting returns.
Finally, there is a stable after-sales acceptance channel. These farm vegetables or stall vegetables are too liquid and difficult to supervise. Even if there is a problem, it is difficult to defend your rights. Because you have no proof at all to prove that these vegetables were purchased from these people, and these people will not admit it.
Supermarket vegetables are different. Once a problem occurs, consumers can trace the source and seek compensation from the supermarket, and the supermarket cannot refuse, so product safety is guaranteed.
The same goes for livestock and poultry meat products. These so-called local chickens and local pork in rural areas have not been slaughtered in a centralized manner, let alone inspection and quarantine. Those who know how to buy and select may not encounter any problems, but if they encounter those who cannot choose and buy, they may buy problematic products.
There may be a lot of problematic local chickens and local pork mixed with them for sale, making it difficult to find the problem, thus causing harm to our human health.
The chicken, duck, and fish sold at fixed sales points and supermarkets have been inspected and quarantined, and there will be no problems. They may be lacking in flavor, but their safety is still guaranteed.
However, the people do not believe these rumors and explanations, and stubbornly believe that these things are good.
There is even a popular thing where some people use the seeds of Setaria chinensis to make porridge, saying that this stuff is the most primitive and has not undergone any technical intervention. It is a pure natural green and healthy food. On the contrary, it is believed that the growth of sorghum is due to the improvement of artificial technology, so it is not good for human health.
As everyone knows, these sorghums are excellent varieties bred and improved from Setaria graminosa. The excellent varieties that humans have cultivated and improved through thousands of years of domestication are ultimately no better than a handful of dogtail grass.
What about hybrid rice? It is said that hybrid rice is not as delicious as original rice, and it is not as nutritious as original rice. These are completely eaten after being full. In the words of netizens, all problems will be solved with just a few hungry meals.
In fact, the food we eat now does not use modern technology. For example, the strawberries that everyone loves to eat, haploid, diploid, and triploid strawberries, are all the results of cultivation using technology.
Another example is that the dragon fruit, bananas, cherries, oranges, and peaches we eat do not use the achievements of modern technology. While many of our modern people enjoy the rich material resources brought by modern agricultural technology, they turn around and criticize and attack these modern agricultural technologies. This is really not the case.
Even in such a developed era, this traditional concept is still very strong, and changing it will not happen overnight.
This is why Professor Zhang Chengwang is so worried and suspicious, and it is not unreasonable.
As he said, it would be difficult to change people's common concepts by relying solely on their family's strength. It may take the entire industry or even the country to come forward to clarify relevant rumors, provide guarantees, and then slowly guide them to change this phenomenon.
The problem is that this is difficult. First of all, the entire industry may not be willing to stand up and explain and clarify, because no one is willing to cause trouble.
(End of chapter)
