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Reviews procedures for obtaining reliable information on animal populations, other ecological features and land use generally from low-flying aircraft by direct observation or conventional photography, with reference to types of sampling unit, and the relative merits of unstratified systematic an
Evaluates the usefulness of direct data collection from low-flying light aircraft for inventory & monitoring animal population & other rangeland features, viz. water bodies, vegetation structure & greenness and human settlements, for planning and management purposes.
Information on some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and toxicities and damage resulting from the misuse of herbicides are given in this manual.
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