Biochar-modified polyurethane coated urea

217-day nitrogen release

Biochar hydroxyl groups tune coating crosslinking for prolonged nutrient release and enhanced nitrogen use efficiency

Chen, Yufeng · Ding, Chunxia · Zhao, Juan · Wu, Fangfang · Zhong, Mei'E E.

Environmental Research 2026

Specifications

氮素利用率提高

{'zh': '15.55', 'en': ''} %

烟草叶干重增加

{'zh': '12.95', 'en': ''} %

Biochar hydroxyl contents

{'zh': '', 'en': '1.96'} mmol/g

Advantages

Nutrient release longevity of 217 days