Geochemistry in Africa...by Michael Watts, Elliott Hamilton, Belinda Kaninga, Kenneth Maseka and Godfrey Sakala on January 11, 2017 Africa Centre for Environmental Geochemistry conservation agriculture Copperbelt University DFID Michael Watts Royal Society SEGH Victoria Falls Zambia ZARI +
Random variables and field sampling... by Murray Lark on February 06, 2015 Africa Copperbelt University Elliott Hamilton geostatistics inorganic Michael Watts Murray Lark soil geochemistry statistics University of Zimbabwe Zambian Agricultural Research Institute +