Leading Word: Although the use of organic fertilizer for organic vegetables is higher than the cost of chemical fertilizers and the safety factor is also high, it still cannot fully guarantee the safety of food. The hidden dangers of organic vegetables are still at the source.
In recent years, the economic observation network has expanded the quality and safety of organic vegetables across the country. Even individual products contain highly toxic pesticide residues, which has caused some supermarkets to completely shut down organic vegetables.
At present, China's vegetables are divided according to quality standards and can be divided into ordinary vegetables, pollution-free vegetables, green vegetables, and organic vegetables. Organic vegetables are used, that is, chemical substances such as pesticides, chemical fertilizers, and growth regulators are not used at all in the production process, and genetic engineering technologies are not used. At the same time, they must undergo quality control and review of the entire organic food certification organization.
In China's vegetable quality certification system, organic vegetables are the products with the highest quality standards, and some vegetable prices even exceed ten times that of ordinary vegetables. However, the organic products with the highest standards and the most expensive prices have frequently encountered quality problems that endanger the consumer's food safety and life safety.
Although China's quality certification of organic vegetables is rather confusing, there are often cases of "organic" labels being stuck on it. Although China's market supervision system is not in place and there are often net fish leakages, the real cause for the crisis of organic vegetables is not downstream. Link, but lies in the field of organic vegetable cultivation.
Organic vegetables have a strict set of production technology standards throughout the planting process. These standards cover the relevant factors such as soil, water quality, and surrounding environment involved in vegetable cultivation. For example, in the soil, organic vegetables must measure the existing nutrient content in the soil, and then estimate the nutrient needed for the vegetable, so as to calculate the fertilizer that needs to be input. Otherwise, blind fertilization will cause the soil to be re-contaminated, not to mention organic vegetables. .
Recently, a land hospital expert in Shandong told such a story. Last year, he participated in the Shandong Agricultural Professional Cooperative Development Forum. At this forum, he met with the chairman of the cooperative, who claimed to be planting organic vegetables. When the land hospital expert asked them about the acidity and alkalinity of the soil and the content of nitrogen, phosphorus and potassium, none of them could answer. The land expert could not help but sigh, even the soil conditions are unknown, how can we ensure that the vegetables we grow meet the standards?
The fundamental difference between organic vegetable cultivation and conventional vegetables is the difference in fertilizer use. Planting organic vegetables without using chemical fertilizers allows the use of pure organic fertilizers produced by some fertilizer manufacturers, such as organic fertilizers made from chicken manure and pig manure.
The problem is that so-called organic fertilizers, such as pig manure and chicken manure, are sourced from large-scale pig farms and chicken farms. Chickens and pigs are used as chemical feeds in the farm. In one month's time, only one pig was only three or four months old. The resulting chicken manure, like pig manure, contains chemicals and heavy metals.
It is no wonder that industry experts have pointed out that although the use of organic fertilizers for organic vegetables is higher than the cost of chemical fertilizers and the safety factor is also high, it still cannot fully guarantee the safety of food. The hidden dangers of organic vegetables are still at the source.
In recent years, the economic observation network has expanded the quality and safety of organic vegetables across the country. Even individual products contain highly toxic pesticide residues, which has caused some supermarkets to completely shut down organic vegetables.
At present, China's vegetables are divided according to quality standards and can be divided into ordinary vegetables, pollution-free vegetables, green vegetables, and organic vegetables. Organic vegetables are used, that is, chemical substances such as pesticides, chemical fertilizers, and growth regulators are not used at all in the production process, and genetic engineering technologies are not used. At the same time, they must undergo quality control and review of the entire organic food certification organization.
In China's vegetable quality certification system, organic vegetables are the products with the highest quality standards, and some vegetable prices even exceed ten times that of ordinary vegetables. However, the organic products with the highest standards and the most expensive prices have frequently encountered quality problems that endanger the consumer's food safety and life safety.
Although China's quality certification of organic vegetables is rather confusing, there are often cases of "organic" labels being stuck on it. Although China's market supervision system is not in place and there are often net fish leakages, the real cause for the crisis of organic vegetables is not downstream. Link, but lies in the field of organic vegetable cultivation.
Organic vegetables have a strict set of production technology standards throughout the planting process. These standards cover the relevant factors such as soil, water quality, and surrounding environment involved in vegetable cultivation. For example, in the soil, organic vegetables must measure the existing nutrient content in the soil, and then estimate the nutrient needed for the vegetable, so as to calculate the fertilizer that needs to be input. Otherwise, blind fertilization will cause the soil to be re-contaminated, not to mention organic vegetables. .
Recently, a land hospital expert in Shandong told such a story. Last year, he participated in the Shandong Agricultural Professional Cooperative Development Forum. At this forum, he met with the chairman of the cooperative, who claimed to be planting organic vegetables. When the land hospital expert asked them about the acidity and alkalinity of the soil and the content of nitrogen, phosphorus and potassium, none of them could answer. The land expert could not help but sigh, even the soil conditions are unknown, how can we ensure that the vegetables we grow meet the standards?
The fundamental difference between organic vegetable cultivation and conventional vegetables is the difference in fertilizer use. Planting organic vegetables without using chemical fertilizers allows the use of pure organic fertilizers produced by some fertilizer manufacturers, such as organic fertilizers made from chicken manure and pig manure.
The problem is that so-called organic fertilizers, such as pig manure and chicken manure, are sourced from large-scale pig farms and chicken farms. Chickens and pigs are used as chemical feeds in the farm. In one month's time, only one pig was only three or four months old. The resulting chicken manure, like pig manure, contains chemicals and heavy metals.
It is no wonder that industry experts have pointed out that although the use of organic fertilizers for organic vegetables is higher than the cost of chemical fertilizers and the safety factor is also high, it still cannot fully guarantee the safety of food. The hidden dangers of organic vegetables are still at the source.
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