The efficiency of urea coating and the controlled release of urea from the cross-linked kojacmannan gel were studied and the results showed a satisfactory character of the gel.

• 试验了交联魔芋葡甘聚糖水凝胶对尿素的包裹率;以及包裹尿素的交联魔芋葡甘聚糖水凝胶缓释尿素的效果。