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The smart use of rice to grow "flowers from crops, all relying on fertilizers" has become a common practice today. Fertilization plays a crucial role in boosting agricultural production in recent years. However, farmers still face several challenges when it comes to fertilizing—such as using too little nitrogen and phosphorus, overusing chemical fertilizers, neglecting organic options, and failing to adapt to local conditions. These issues lead to unnecessary waste and hinder productivity improvements. When combined with microbial fertilizers, such as bacterial or bio-fertilizers, the results can be more efficient, increasing yield and income with better economic returns.
There are several general fertilization methods commonly used:
1. **"Pre-promotion" method**: This approach involves applying all the fertilizer early in the rice growth cycle, with heavy base fertilizer and early flooding. Typically, 70-80% of the total fertilizer is applied at this stage, with the rest added after the green-up phase.
2. **"Pre-promotion, mid-control, post-supplementation" method**: This focuses on early fertilization, emphasizes nitrogen supply during the middle stage, and ensures adequate nutrients in the late stage. The base manure usually makes up 80-90% of the total, while ear and grain fertilizers account for 10-20%. It’s ideal for longer growing periods, especially for hybrid rice varieties.
3. **"Pre-stable, mid-push, post-protection" method**: This reduces early nitrogen application, applies heavier panicle fertilizer in the middle stage, and uses granular fertilizer later. Basic and barley fertilizer accounts for 50-60%, while spike and grain fertilizer takes up 40-50%.
Another effective technique is the **Kappa fertilization method**:
1. **Seed dressing**:
- Live field: Mix 0.5-1 kg of gold field microbial fertilizer with germinated rice seeds and apply it in the evening.
- Seedling stage: Soak rice seeds with 0.3 kg of gold baby bacterial fertilizer before planting to strengthen seedlings.
2. **Base application**: Before transplanting, mix the fertilizer with fine soil and spread it in the field. If organic fertilizer is available, combine it and let it sit for 3-4 days. Apply it before transplanting or mix it into the soil. Use 2-3 kg of goldfish fertilizer per mu.
3. **Spraying**: During the middle and late stages of rice growth, spraying is effective for reducing fertilizer use and correcting nutrient deficiencies. Apply 0.3 kg of solution per mu. For more details, visit the official website or consult an expert.
By adopting these scientifically sound fertilization techniques, farmers can optimize resource use, improve yields, and ensure sustainable farming practices.
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