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Caiculating yields and productivity
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African animals aphids attack bacteria banana bark bean beds bitter leaf branches buds bush greens cabbage cassava caterpillars cause centimetres centimetres long Chapter chemical chillies colour compost cooking crop cucurbits cultivated plants cultural cycle damage develop disease dried dry season eaten effects eggplant environment example farm farmer fertilizers figure flowers foliage fruits fungi fungus garden germination grafting grains of paradise green manure ground groundnut grow growth harvested holes infiltration insecticides insects irrigation larvae leaves legume maize method metres microorganisms mineral salts mixture moisture mulch nightshade nursery okra palm pesticides picked practice produce Propagation protect pruning pure stand rain removed rhizomes ripe rows sauces Scientific Name scion seedlings seeds shade shea butter shoots Solanum gilo sometimes sowing sown species spraying spread stem stock plants substances suckers surface sweet potato taproot tomato transplanted tree trunk tubers varieties vegetable waste weeds wilt wood young