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Soils and environments for cassava production
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acid Agric amount application breeding bulbils carbohydrate cassava mosaic disease cassava plant chemical clones cocoyams control measure corm cultivars cultivation damage droplet dry matter dry season effective evaluation fertilizer materials field flour fufu genotypes germination Ghana growing grown growth Hahn harvest hectare herbicides humidity Ibadan IITA important increase inflorescence insects Ivory Coast kg/ha leaf area leaf spot leaves liters Manihot mature mealybug method mounds mulch nematodes Nigeria nodes nozzle nutrient pests petioles planting material pollination population potassium production propagation rainfall reduce resistance ridges ro ro ro rt rotundata row plots rt rt seed seedlings selected setts shoot soil temperature species spray sprayer sprouting stakes starch stem sterile storage root stored surface sweet potato symptoms Table tank tannia taro tons/ha triple superphosphate tuber crops tuber yield tuberous root upland urea varieties vine cuttings weed control weevil West Africa