These criteria, developed into ethnographic decision trees, can be used by researchers and extension agents to design and test more appropriate and successful improved fallow systems, and by policy makers to help improve the soil fertility options available to farmers.
(These criteria; developed; into ethnographic decision trees) (These criteria, developed into ethnographic decision trees; can be used; by researchers and extension agents)
These criteria These criteria, developed into ethnographic decision trees
developed can be used
into ethnographic decision trees
by researchers and extension agents