Thus data we have collected from maize density experiments suggest that smaller densities are used for this crop in relatively dry North-east Rhodesia than in relatively moist central England ...

Southern Rhodesia. Branch of Tsetse and Trypanosomiasis Control. Catalogued from incomplete set; description is based on Annual Report for 1968. Copy 1. Donor: The family of Brian Sydney Hursey, via ...

At head of title : Issued by authority of the Minister of Agriculture and Lands. Reprinted from: Rhodesia agricultural journal. Copy 1. Donor: The family of Brian Sydney Hursey, via the University of ...