Pollution-free vegetable production should use high-efficiency, low-toxicity and low-residue pesticides for pest control. After use, pesticide residues in vegetables should be controlled within permissible limits. Attention should be paid to the following issues:
1. The correct choice of agents. According to the type of pests and diseases, and the nature of the pesticides, the pesticides used should be low-toxicity and low-residue pesticides such as malathion, carbendazim, thiophanate-methyl, zesin-zinc, mancozeb, chlorothalonil, b-aluminium, Triadimefon, Rhizoctonia, etc. Do not use counterfeit pesticides that have not been registered and have no production license.
2. It is forbidden to use highly toxic and high residue pesticides. Such as phorate, parathion, carbofuran (carbofuran), insecticidal lice, omethoate and so on.
3. Use strictly according to pesticide interval. The vast majority of pesticide species have a shelf life, and they must be used strictly in accordance with the instructions. Pesticides that are allowed to be used in limited quantities in vegetable production are subject to limited use.
4. Formulate a comprehensive plan for chemical control based on the local occurrence of pests and diseases. Do not cure diseases where multiple pests and diseases can be treated. Do not use common cure to treat diseases, prevent multiple controls at once, and reduce the use of chemical pesticides.
5. Use pesticides alternately. Do not use a single pesticide for a long time to avoid plant resistance to pesticides.
Food additives are substances added to food. Some additives have been used for centuries. With the advent of processed foods in the second half of the twentieth century, many more additives have been introduced, of both natural and artificial origin.
The advantages of food additives are these followed:
1. Improve the appearance of food.
2. Keep and enhance the nutrition value of food.
3. Increase the variety and conveniences of food.
4. Miantain freshness and prolong shelf life.
5. Provide leavening or control acidity and alkalinity.
Food Additives,Natural Food Additives,Food Additives Preservatives
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