A person has a disability if he/she has a physical or mental impairment that substantially limits one or more major life activities, a record of such impairment, or is regarded as having such impairment (EEOC, 1992).
The natural herbicide that resulted from his research (made from corn gluten meal) is now patented, and is licensed for use in turf and home gardens as an alternative to weed and feed products. Corn gluten meal is a powdery byproduct of the corn milling process. Used for years as a supplement in hog feed, this natural protein is very effective for lawns and gardens as a plant food as well as a weed supressor. As a plant food, corn gluten has a N-P-K ratio of 9-1-0, or 10% nitrogen by weight.
It is a food cooked from plain maize or corn meal or maize flour known as mealie-meal among Zambians. The price of corn meal and ultimately nshima, is a crucial matter in urban Zambian political and economic life. The government suddenly raising the price of corn meal sparked the political riots of June 1990 in the Zambian Capital City of Lusaka.