Sure, here is an article on fertilizer dose in PR rice:
Rice is one of the most important staple crops in the world, and the Philippines is one of the top producers of rice globally. In the Philippines, rice is grown in many regions, including the lowland regions, where it is known as irrigated rice, and the upland regions, where it is known as rain-fed rice.
For Philippine rice farmers, managing fertilizers is a critical component of growing high-quality and high-yielding rice. One approach that has gained prominence in the Philippines is the use of the partial root-zone drying (PRD) method. This method involves alternating the watering of two halves of a rice field, such that one half’s roots are partially dried while the other half is irrigated.
Using the PRD method, Philippine rice farmers have been able to reduce fertilizer application rates by up to 50%. This approach has not only led to cost savings for farmers but has also resulted in more sustainable and eco-friendly agriculture practices.
When using the PRD method, farmers typically apply fertilizers at a rate of 120 kg N/ha, 30 kg P/ha, and 30 kg K/ha. However, fertilizer requirements may vary based on soil type, crop variety, and other factors.
Some of the fertilizer management practices that farmers can adopt when using the PRD method include top-dressing urea fertilizer at the panicle initiation stage, applying phosphorous fertilizer in the soil before planting, and using organic fertilizer as a supplement to chemical fertilizers.
In conclusion, the PRD method is a sustainable and effective approach to fertilizer management in Philippine rice farming. With the proper application of fertilizers and other best practices, Philippine rice farmers can continue to produce high-quality rice that meets both domestic and international demand.