Crops are sick or grow bugs, often resulting in loss of agricultural production. In order to ensure a bumper crop yield, in addition to planting resistant varieties, strengthening fertilizer and water management, and adopting biological and agricultural control measures, spray spraying has always been a necessary emergency control measure. However, the misunderstanding of the misuse of pesticides “see insects and fight them†means that farmers should spray pesticides several times or even more than ten times in each growing season. This will not only cost money but also pollute the environment and agricultural and sideline products.
First of all, the idea of ​​"see pests, fight them, and treat them when they are diseased" is inconsistent with reality. Because the vast majority of agricultural production is open, even agricultural facilities such as greenhouses and plastic greenhouses cannot be isolated from the natural environment. It is unrealistic to completely eliminate certain pests and diseases.
Second, as an industry, agricultural production must abide by certain economic laws. The basic principle is that output is greater than input. Obviously, if the number of diseases and insect pests is not large, there will be no loss or little damage. In this case, the prevention and treatment by laborers will cost money. Therefore, some pest and disease prevention and control indicators are now stipulated. Only when a certain degree of pest occurrence is higher than this index can prevention and control be economically more cost-effective.
Many so-called diseases, pests, and weeds simply because they happened at the wrong time and place. They are not so bad in themselves, and they are even indispensable members of the ecological environment. Like Setaria viridis is the ancestor of human cultivated millet; mosaic color mosaic virus can form variegated tulips, increasing ornamental value; human attitude to them needs to change from hostility to tolerance, change from prevention to management. This puts forward appropriate measures to prevent and allow the retention of a certain number of pests.
Controlling according to economic thresholds and prevention and control indicators is a kind of progress in agricultural production and plant protection. It should be supported and coordinated by society and consumers. In order to reduce pesticide residues in vegetables and fruits, consumers should not require that agricultural products be absolutely free of insects. In individual cases, pick out the pests and throw them away.
RP International Ltd is top Vanillin Supplier and Manufacturer in China.
Vanillin is a phenolic aldehyde, which is an organic compound with the molecular formula C8H8O3. Its functional groups include aldehyde, hydroxyl, and ether. It is the primary component of the extract of the vanilla bean. Synthetic vanillin is now used more often than natural vanilla extract as a flavoring agent in foods, beverages, and pharmaceuticals.Vanillin and ethylvanillin are used by the food industry; ethylvanillin is more expensive, but has a stronger note. It differs from vanillin by having an ethoxy group (–O–CH2CH3) instead of a methoxy group (–O–CH3).
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