Many vegetable farmers used to water the seedlings right after transplanting them. However, with the introduction of nutrition cups, the process changed. Initially, farmers would fill the cups with soil and then press the roots of the seedlings into the mud using a 2.5 to 3 mm thick wire bent into a spoon shape, a technique commonly referred to as "hydroponics." Unfortunately, this method often led to cracks forming at the root compression site, making the seedlings more vulnerable to diseases. Additionally, the roots could easily be flipped upward, which hindered proper rooting and caused the seedlings to grow poorly.
To address these issues, the author recommends a more careful approach during transplanting. Instead of directly pressing the roots into the mud, farmers should first place 1/2 to 2/3 of the soil in the nutrition cup before inserting the seedling. After that, they should fill the cup with additional soil while gently raising the seedling slightly. This allows the roots to spread out naturally, reducing damage and promoting healthier growth. It's also important not to completely remove the soil around the roots but to leave some moisture to prevent excessive water loss in the seedlings. By following this method, farmers can avoid the problem of roots being forced into the mud with a wire during the "hydroponics" process, leading to stronger and more vigorous plants.
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