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Crop rotation, tillage and crop residue management for wheat and maize in the sub-humide tropical highlands. Ii. Maize and system performance
(ELSEVIER SCIENCE BV, 2002)
Cropping systems in the sub-humid tropical highlands are characterised by continuous cultivated cereal monoculture, leading to serious erosion and fertility decline. There is a lack of information on improved agronomy, in ...
Genetic Analysis Of Archeological Maize From The Site Of San Lorenzo (Azapa, Chile): A Contribution To The Prehispanic Maize Problem
(2015)
We report the first genetic analysis of archeological maize specimens from the site of San Lorenzo (1,500-700 BP) (Azapa valley, Arica, Chile). Ancient DNA was successfully isolated from 11 archeological maize grains. The ...