Good effect of spraying vinegar on vegetables
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Vinegar can be an effective and natural tool for enhancing vegetable quality, boosting yield, and managing pests. When applied to crops, it not only improves their nutritional value but also promotes healthier growth by stimulating chlorophyll production and enhancing photosynthesis. This leads to stronger, more resilient plants that are better equipped to resist diseases and pests.
In addition to its acetic acid content, vinegar contains amino acids, glycerol, and other beneficial compounds. These substances are absorbed through the leaves, improving nutrient uptake and metabolic activity in the plant. As a result, vegetables become more vigorous, with improved color, texture, and overall quality.
The acidic nature of vinegar on the surface of vegetables helps to inhibit the growth of pathogens and pests that thrive in neutral or alkaline environments. For example, a 200-times diluted vinegar solution has shown over 65% effectiveness in controlling soft rot in Chinese cabbage, while a similar solution can reduce tomato virus disease by 56-74%. A 300-times dilution is effective against pepper virus disease, achieving up to 90% control. Spraying a 300-times solution on cabbage can also reduce aphid infestations by 47% within a day. Combining vinegar with insecticides like dimethoate can further enhance their effectiveness by around 10%.
Using vinegar can significantly increase crop yields. For eggplants, spraying a 300-times solution once every 7-10 days for 3-5 times after transplanting can boost production by over 10%. Tomatoes may see a yield increase of 12-35%, while vitamin C levels in fruits also rise. For cucumbers, applying 0.5 kg of vinegar mixed with 50 kg of water before flowering can improve yields by 18-20%. In Chinese cabbage, using 0.5 kg of vinegar in 100 kg of water can increase yield by 8-10%. Similar benefits have been observed in spinach, watermelon, pumpkins, and potatoes when sprayed regularly from the seedling stage.
It’s important to follow some key guidelines when using vinegar: first, avoid mixing it with alkaline substances such as detergents, pesticides, or ash, as this can neutralize its effects. Second, adjust the concentration based on temperature—use a 100-300 times dilution in cooler weather and a 500 times dilution when it's hot. Spray every 7-10 days, repeating 2-5 times. Lastly, apply vinegar early in the growing cycle and prefer sunny days for best results. By following these practices, farmers can maximize the benefits of vinegar while maintaining healthy and productive crops.