AC Greenfix is a new annual legume in the United States, developed as a fertilizer alternative to supply green manure Nitrogen for both organic and conventional growers. In only 8-10 weeks of growth an average of 80-100 lbs N/acre can be produced. This plant is drought tolerant, moisture efficient, resistant to many insects and diseases, and suitable for a variety of climates and soil types. It has been found to markedly enhance all major components of soil biological quality and boost soil fertility. AC Greenfix should be of interest to every farmer who wants to increase soil fertility and improve yields and soil conservation.

AC Greenfix is a variety of chickling vetch (Lathyrus sativus L.) also known as a grass pea or grassy peavine, bred at the Semiarid Prairie Agricultural Research Centre in Swift Current, Saskatchewan, Canada, by Dr. V. O. Biederbeck.