For many years, vegetable farmers have commonly used ditches to apply fertilizer in a single dose for green onions. This method is not scientifically sound. Not only does it risk damaging the delicate roots of the green onions, but it can also lead to over-concentration of nutrients, which may burn the young roots and cause issues such as dry tips and yellowing or dying leaves. These problems negatively impact the quality of the green onions and ultimately reduce overall yield.
The proper way to fertilize green onions is to follow the principle of "eating small meals more frequently." Instead of applying a large amount of fertilizer at once, farmers should spread it out over 3 to 4 applications, starting from the time the green onions are established until harvest. This helps prevent late growth delays and ensures steady development throughout the growing season.
Each time, the fertilizer should be evenly distributed on the surface around the root area, then lightly covered with soil. This practice reduces nutrient loss due to volatilization and encourages better root development, leading to stronger, taller, and more resilient plants. Two days after each fertilization, it's important to water the field thoroughly. This helps dissolve the fertilizer into the soil, speeds up its decomposition, and promotes healthy, vigorous growth of the green onions.
In addition, consistent watering and proper fertilization practices not only improve the appearance of the green onions but also increase their resistance to wind and disease. By adopting these improved techniques, farmers can achieve higher yields and better-quality produce, making their farming efforts more sustainable and profitable in the long run.
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