Arizona Science

Arizona Science explores the latest scientific research and technological innovations taking place in Southern Arizona and at the University of Arizona. Catch Arizona Science each Friday during Science Friday on NPR 89.1.


Episode 193: Going global with farming methods

A University of Arizona agriculture scientist is trying to find out why a popular way to grow crops in the United States is not as effective in a part of the world where it is needed most. Jeff Michler is studying conservation agriculture in Zimbabwe. It is a technique that calls for farmers to use mulch and other remains from a previous year's harvest to feed the soil. The method has worked in North America and Brazil for 30 years. But Michler says its ineffectiveness in some sub-Saharan nations in Africa is a mystery.


 2019-08-02  5m