Agricultural and Biological Sciences
8 years ago

Controlled-Release Urea Boosts Rice Yield, Cuts Pollution in China.

Communications in Soil Science and Plant Analysis
Application of Controlled-Release Urea in Rice: Reducing Environmental Risk While Increasing Grain Yield and Improving Nitrogen Use Efficiency
Guo Chen, Pengfei Li, Jianwei Lü, Tao Ren, Rihuan Cong, Xiaokun Li

Paper Summary

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Using controlled-release urea (CRU) in rice production can increase grain yield and nitrogen use efficiency while reducing environmental risks. In a study conducted over three years, CRU-treated rice plants had higher grain yields and nitrogen accumulation in both straw and grain compared to conventional urea-treated plants. The best CRU fertilizers were CRU-3 and CRU-6, showing significant improvements in nitrogen use efficiency. Overall, CRU outperformed conventional urea in rice production in Jianghan Plain, China.