Broadleaf P4 is a high performance, long lasting, hydrophilic (water and nutrient storing) polymer which has been specifically developed for agricultural and horticultural applications. P4 provides proven paybacks in an extremely wide range of applications. In plain English, P4 is an environmentally safe, non-toxic organic compound that has been specifically engineered to store extremely large quantities of water and nutrients. About Broadleaf P4 | Application & Technical Information | FAQ | Contact Broadleaf Copywright 2000, Broadleaf Industries Inc.