Root parasitic plants cause as much as US$10 billion in agricultural damage in their native sub-Saharan Africa each year, and a solution to protect crop fields against such invasions has been elusive.
Researchers have used distinct markers from human subpopulations to trace back to our common African root in a giant human "tree." However, a “trellis” model might be more appropriate.
executive director of the Paper Manufacturers Association of South Africa (PAMSA). Wood is made up of cellulose, hemicellulose, lignin and an array of waxes, resins and sugars. The properties of ...
David's Woodturning Transforming South African Wood into an Orange Urn Posted: December 13, 2024 | Last updated: December 13, 2024 Woodturning an extraordinary vibrant orange urn out of some South ...