First, it's essential to apply basic fertilizers, primarily organic ones along with phosphorus and potassium, which play a vital role in ensuring a good wheat harvest. However, some farmers rely heavily on chemical fertilizers instead of using organic options. This approach is not scientifically sound. While it might boost yields in the short term, it often leads to unstable production, especially during dry seasons when soil health becomes critical.
Second, applying the right amount of nitrogen and phosphorus at the right time is crucial for promoting early growth and developing strong seedlings. For wheat fields with high soil fertility, over-application of nitrogen can lead to a condition known as "Akihaw," where plants become too lush and weak. On the other hand, sufficient phosphorus during the seedling stage helps winter wheat survive the cold season more effectively and prevents the occurrence of "small old seedlings," which are weak and unproductive.
Third, topdressing with nitrogen fertilizer is necessary, but the timing and quantity should be adjusted based on the seedling's condition. For weak seedlings that have insufficient stem numbers and poor population development, it's important to apply green nitrogen fertilizer as early as possible to encourage tillering during the spring. In contrast, for wheat fields with excessive growth and dense populations, nitrogen application should be delayed, and the focus should shift to applying joint fertilizer to support healthy development without overstimulating growth.
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