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Fertilizers play a crucial role in the growth and development of paddy crops. However, improper use of fertilizers can cause environmental damage and yield losses. Therefore, it is important to apply fertilizers in the recommended doses based on soil and crop requirements. In this article, we will discuss the recommended doses of fertilizers for paddy crops.
Paddy crops require three main nutrients for growth and development: nitrogen, phosphorus, and potassium. These three nutrients are commonly referred to as NPK. Other micronutrients such as zinc, iron, and manganese are also essential for optimum growth and yield.
Nitrogen: Nitrogen is a primary nutrient required for paddy growth and development. It is important for chlorophyll formation, protein synthesis, and the overall growth of the plant. The recommended dose of nitrogen for paddy crops is generally 120 kg/ha for irrigated areas. However, for rainfed areas, the rate may vary from 60 to 80 kg/ha depending on the soil type and rainfall.
Phosphorus: Phosphorus is required for root development, flowering, and seed formation. The recommended dose of phosphorus for paddy crops is generally 40 kg/ha. However, soil testing is recommended to confirm the actual requirement of phosphorus based on soil availability.
Potassium: Potassium is necessary for maintaining the water balance in plants and for the development of grains. The recommended dose of potassium for paddy crops is generally 40 kg/ha. However, soil testing is recommended to confirm the actual requirement of potassium based on soil availability.
Micronutrients: Micronutrients such as zinc, iron, and manganese are also important for paddy crop growth and development. The micronutrients can be applied through foliar application or soil application. The recommended dosages for zinc, iron, and manganese are generally 10 kg/ha, 5 kg/ha, and 10 kg/ha, respectively.
In conclusion, proper application of fertilizers is essential for the growth and development of paddy crops. Overuse or underuse of fertilizers can result in yield losses, environmental damage, and increased costs. Farmers should follow the recommended doses of NPK and micronutrients based on soil analysis and crop requirement. This will help optimize production and reduce environmental damage.