(1) Watering. In general, watering should be based on the condition of the soil, the seedlings, and the overall situation. First, check the soil. The first thing to consider is that Dihuatong (a specific irrigation technique) should be applied when returning to Qing Shui (a stage in wheat growth). Second, assess the feeling of the soil—when it's seriously dry, you should water it promptly. If it's just slightly dry, you can adjust the timing according to the field's needs. To protect good wheat fields from water shortage, it may be appropriate to delay or even skip watering if necessary.
B. Check the seedlings. For general wheat, early watering is usually recommended. However, for high-yield fields, it’s better to delay watering. Follow the order of watering based on the seedling condition: yellow or weak seedlings should be watered early in the Qing period; generally weak seedlings can be watered at the early Qing stage; late-developing seedlings should be watered during the mid-green phase; strong seedlings should be watered later, after jointing. If there's a lot of fertilizer applied, watering should be done after the jointing stage to avoid overwatering.
C. Consider the conditions. If the soil has sufficient moisture, water it as needed. If the soil is dry, start watering earlier than usual.
(2) Fertilization issues. For yellow or weak seedlings, it's important to catch the early recovery stage and manage them carefully to help them turn green again. For strong and healthy wheat fields, it's acceptable to delay fertilization slightly. This helps optimize resource use and ensures the plants get the nutrients they need at the right time.
Overall, proper watering and fertilization depend on careful observation and timely decision-making. By understanding the condition of the soil, the health of the seedlings, and the environmental factors, farmers can make more informed choices that lead to better yields and healthier crops.
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