ਝੋਨੇ ਦੀ ਕਿਸਮ ਅਨੁਸਾਰ ਯੂਰੀਆ ਪਾਓ ● Nitrogen management in rice crop as per variety duration.

#paddy #rice #crop #soil #jatt #jhona Nitrogen (N) is a crucial nutrient for rice (paddy) growth, with paddy soils playing a significant role in supplying it. Nitrogen use efficiency (NUE) in paddy farming is often low, leading to environmental issues like water and air pollution. Effective nitrogen management is vital for improving rice yield and minimizing negative environmental impacts. Here's a breakdown of nitrogen's role in paddy cultivation: 1. Importance of Nitrogen: Essential Nutrient: Nitrogen is the most important nutrient for rice plants, significantly impacting yield and quality. Soil Supply: Paddy soils contribute significantly to the nitrogen supply for rice, with mineralization of soil nitrogen exceeding that from fertilizer. Critical Growth Stages: Rice needs nitrogen most during the early vegetative and panicle initiation stages. Tillering: Early nitrogen application promotes tillering, leading to higher yields. Grain Production: Nitrogen application at panicle initiation or early booting stages helps produce more and heavier grains. 2. Nitrogen Management Practices: Balancing Nitrogen Application: Optimizing nitrogen application rates is crucial to maximize yield and minimize losses. Soil Total Nitrogen: Increasing both total nitrogen and available nitrogen in the soil is important for improved plant uptake. Organic Matter Incorporation: Incorporating rice straw or cow dung compost can enhance soil nitrogen content. Controlled-Release Fertilizers: Using controlled-release fertilizers can help reduce nitrogen leaching and runoff, improving NUE. Water Management: Proper water management, including water depth management in large paddy fields, is important for nitrogen retention and minimizing runoff. 3. Nitrogen Use Efficiency (NUE): Low NUE: A significant challenge in paddy cultivation is the low NUE (20-40%), meaning a large portion of applied nitrogen is not absorbed by the plants.