Certainly, here is an article on fertilizer requirements in paddy:
Fertilizer Requirement in Paddy
Paddy, also known as rice, is an important staple crop in many parts of the world. In order to achieve a high yield of paddy, it is essential to provide the crop with the right combination of nutrients through fertilizers. Proper fertilization improves crop growth and development, leading to higher yields of paddy.
Types of Fertilizers
There are two main types of fertilizers used in paddy cultivation: Organic and Inorganic. Organic fertilizers are derived from natural substances such as animal manure, green manure, compost or crop residues. Inorganic fertilizers, on the other hand, are synthesized chemically using various elements such as nitrogen (N), phosphorus (P), and potassium (K).
Fertilizer Requirement
Paddy requires all three major plant nutrients, nitrogen, phosphorus, and potassium in different proportions throughout the growth stages. During the vegetative phase (tillering stage), paddy requires higher nitrogen and phosphorus for shoot growth and root development, respectively. During the reproductive stage, paddy requires higher phosphorus and potassium for the grain development and yield.
Application of Fertilizers
The amount of fertilizer required depends on various factors such as soil fertility, soil type, crop variety, and growth stage. Before planting, a basal dose of fertilizers such as 40-60 kg nitrogen per hectare, 40-60 kg phosphorus per hectare, and 40-60 kg potash per hectare is recommended. It is advised to apply nitrogen in three to four splits during the vegetative growth phase at regular intervals. During the reproductive phase, the application of nitrogen is minimal, whereas phosphorus and potassium are applied at least twice.
Other Factors
Farmers should also keep in mind that applying more fertilizers than required can lead to leaching, runoff, and soil nutrient imbalance. Hence, it is important to conduct soil testing and consult agricultural experts for appropriate fertilization schedules and practices suitable for the type of crop, soil, and environment.
Conclusion
In conclusion, fertilization plays a crucial role in the growth and development of paddy. Organic and inorganic fertilizers can be used to provide the necessary plant nutrients required for rice growth. The amount of fertilizer required should be based on a range of factors, including soil conditions, crop species, growth stage, and environmental factors. Sustainable fertilization practices can improve the quality and quantity of grain yield, conserve soil fertility, and protect the environment.