Spray with appropriate insecticides Regular weeding Early harvesting Use of resistant crop varieties Shooting with gun where possible Use of traps
(c) Factors to be considered in siting a crop farms
Soil fertility/soil type Topography of the land Accessibility Proximity to source of water Proximity to market Orientation of the farmland Availability/cost of labour
(d) Ways of maintaining survey equipment
Clean or wash and dry properly after use before storage Grease or oil the metal parts Paint the metal parts when necessary Make sure graduated measurements are not cleaned off Keep prismatic compass away from magnetic field Store in a cool dry place Use the equipment for appropriate operation
