1、Nitrogen management in rice under crop rotation and nitrogen level

Agronomic practices improved rice biomass and nitrogen accumulation, promoting sustainable agricultural productivity. Positive correlations were found between root traits and nutrient absorption rates, emphasizing root development's role.

2、Localized nitrogen management strategies can halve fertilizer use in

Using a localized nitrogen management model for wheat, maize and rice, this study estimates the environmental and economic benefits of improving nitrogen use efficiency at the county level.

3、Optimizing Nitrogen Fertilizer Management Enhances Rice Yield, Dry

In recent years, many scholars have proposed strategies to optimize N fertilizer management and conducted experiments on field production, such as N fertilizer management at specific locations, integrated soil–crop system management, and chasing spike fertilizer.

4、Frontiers

By clarifying the impact of different N fertilizer optimization practices on crop productivity and N loss, rational N fertilizer management strategies can be adopted to achieve stable crop yields and reduction in N application rates.

5、Optimizing Nitrogen Fertilization Managements Under Mechanical Deep

The two-year field experiment was conducted to access the effects of optimal nitrogen fertilization including reducing tiller-fertilizer, increasing panicle-fertilizer, with the method of mechanical deep placement on grain yield and its physiological traits of rice, in 2019 and 2020.

Improving Nitrogen Use Efficiency in Rice for Sustainable Agriculture

For sustainable agriculture, improving the nitrogen use efficiency (NUE) to decrease N fertilizer input is imperative. In the present review, we firstly demonstrate the role of N in mediating root architecture, photosynthesis, metabolic balance, and yield components in rice.

Application and Management of Nitrogenous Fertilizer in Rice Field: A

Surface runoff, denitrification, ammonium volatilization and leaching should all be managed in order to reduce the nitrogen loss from rice fields. Sustainable and environmentally friendly...

Improving nitrogen use efficiency of rice crop through an optimized

In recent years, many N management strategies for increasing grain yield and NUE in rice production have been developed by researchers and adopted by farmers, such as balanced fertilization, integrated nutrient management, soil testing and formulated fertilization, site-specific nutrient management, deep and side application of N fertilizer ...

Effects of optimized nitrogen fertilizer management on the yield

Direct-seeded rice has been developed rapidly because of labor savings. Changes in rice cultivation methods put forward new requirements for nitrogen (N) fertilizer management practices.

Nitrogen fertilization application strategies improve yield of the rice

In this study consisted of no N fertilizer and four N fertilization strategies, a panicle weight type (PWT) rice cultivar, Dongfu 114 (DF114) and a panicle number type (PNT) rice cultivar,...

Glutinous rice (also known as fragrant rice) is a critical food crop, and its cultivation and nitrogen management are essential for improving yield and quality. Below are detailed recommendations for nitrogen management methods and technical requirements for glutinous rice:

I. Importance of Nitrogen Management in Glutinous Rice

1. Nitrogen is a Key Element for Plant Growth: Nitrogen is vital for plant development, participating in protein synthesis and being particularly crucial for the growth of glutinous rice. Proper nitrogen management enhances both yield and quality.
2. Excess or Deficiency of Nitrogen Affects Growth: Over-application leads to excessive vegetative growth, weak stems, and reduced lodging resistance. Insufficient nitrogen slows growth, reduces tillering, and lowers yield. Thus, rational nitrogen use is critical for normal growth.

II. Nitrogen Management Methods for Glutinous Rice

1. Determine Appropriate Nitrogen Dosage: Based on soil fertility, climate, and rice variety, test and adjust the nitrogen application rate, typically between 5–10 kilograms per mu (0.067 hectares).
2. Implement Split Application Techniques: Apply nitrogen during key stages—seedling establishment, jointing, booting, and heading—to ensure adequate supply throughout growth phases. Avoid "burning seedlings" from excess nitrogen.
3. Balance Nitrogen with Phosphorus and Potassium: Combine nitrogen with phosphorus and potassium fertilizers to promote root development and disease resistance. Adjust ratios based on soil tests and crop needs.
4. Integrate Organic and Inorganic Fertilizers: Use organic matter (e.g., compost) to improve soil structure and fertility while reducing environmental impact from chemical fertilizers.

III. Technical Requirements for Nitrogen Management

1. Scientific Timing of Fertilization: Apply nitrogen during jointing to booting stages, when demand is highest. Jointing-stage fertilization boosts tillering, while booting-stage applications increase grain weight.
2. Precise Application Methods: Use deep placement, concentrated banding, or furrow application to ensure even distribution. Limit fertilizer depth to ≤20 cm to avoid waste.
3. Account for Weather Conditions: Increase nitrogen during hot, dry periods due to higher crop demand. Reduce applications in cool, rainy seasons to prevent excess nitrogen loss.
4. Regular Soil Fertility Testing: Monitor soil nutrients (N, P, K) to assess crop status and soil health, enabling timely adjustments to fertilization plans.

nitrogen management for glutinous rice requires a systematic approach. By combining scientific methods and technical precision, farmers can effectively boost yields and quality, supporting agricultural productivity.