Slow release urea is a high efficiency nitrous fertilizer, it produced by adding slow release agent to common urea in the production. The rate of utilizable nitrogen increased by 10 percentages.

• 缓释尿素是一种高效氮肥，氮素利用率提高10个百分点，通过在尿素生产过程中加入环境友好的缓释剂而成。