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Paddy is one of the most important crops in many Asian countries, including India. It is not only a source of livelihood for millions of farming families but also a staple food for billions of people across the world. To obtain a good yield of paddy, farmers need to provide appropriate quantities of nutrients to the plants. Total fertilizer dose is an essential component of paddy cultivation that plays a significant role in achieving optimal crop growth and yield.
The total fertilizer dose in paddy consists of nitrogen (N), phosphorus (P), potassium (K), and other secondary and micronutrients. Generally, the ratio of N, P, and K in the total fertilizer dose for paddy is 4:2:1. Therefore, if a farmer intends to use 100 kg of fertilizer per acre, he or she should use 40 kg of nitrogen, 20 kg of phosphorus, and 10 kg of potassium, respectively.
However, farmers must apply the total fertilizer dose as per the soil’s fertility and nutrient requirements of the paddy variety. Soil testing can provide the necessary information on soil fertility to understand the fertility status of the soil. Besides, farmers can also consider the previous crop residue and necessary amendments like lime to maintain the optimal pH level in the soil, allowing plants to absorb nutrients efficiently.
In the initial growth stages, the paddy plants require an appropriate quantity of nitrogen and potassium. Applying a balanced ratio of N: K can boost vegetative growth and maintain good plant health. Besides, during the critical stages like the formation of panicles, a well-timed application of phosphorus fertilizer can produce good-quality grains and increase the harvest yield.
The total fertilizer dose can be applied in split doses, with a portion applied during the pre-sowing stage and the remaining in the sowing or subsequent top-dressings. This approach can help supply the necessary nutrient requirements of the plant regularly and maintain optimal soil health.
In conclusion, a well-planned total fertilizer dose in paddy cultivation is significantly crucial for obtaining optimal crop growth and yield. Proper application of N, P, K, and other secondary and micronutrients, as per the paddy variety and soil fertility status, can improve crop yield and quality. It’s always advisable for farmers to have expert advice in determining the total fertilizer dose, which can result in better yields, profits, and sustainable farming in the long run.