CocoaThis text covers all aspects of cocoa production. Higher prices for cocoa have led to much new knowledge about the plant and changes to its methods of production. These are discussed, along with new problems that have occurred and the fresh research projects that have been needed. |
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Page 142
... normal spacings were compared with three different interplantings . The oil palms were planted at 10.0 × 7.0 m and 13.0 × 7.0 m , densities close to normal spacing ; cocoa was planted one year later . After four years the cocoa yields ...
... normal spacings were compared with three different interplantings . The oil palms were planted at 10.0 × 7.0 m and 13.0 × 7.0 m , densities close to normal spacing ; cocoa was planted one year later . After four years the cocoa yields ...
Page 178
... normal and deficient leaves . These have been summarised in Table 7.7 . Although the authors do not specify the age of the leaves , the figures and ratios between elements suggest Table 7.7 Nutrient concentrations in normal and ...
... normal and deficient leaves . These have been summarised in Table 7.7 . Although the authors do not specify the age of the leaves , the figures and ratios between elements suggest Table 7.7 Nutrient concentrations in normal and ...
Page 179
George Alan Roskruge Wood, R. A. Lass. Table 7.8 Concentrations of minor elements for normal and deficient leaves Fe ( iron ) Zn ( zinc ) B ( boron ) Normal range ( ppm ) Deficiency range ( ppm ) 65-175 50 30-65 15-20 25-75 8.5-11 SOURCE ...
George Alan Roskruge Wood, R. A. Lass. Table 7.8 Concentrations of minor elements for normal and deficient leaves Fe ( iron ) Zn ( zinc ) B ( boron ) Normal range ( ppm ) Deficiency range ( ppm ) 65-175 50 30-65 15-20 25-75 8.5-11 SOURCE ...
Contents
Botany types and populations H Toxopeus | 11 |
Environment G A R Wood | 38 |
Planting material H Toxopeus | 80 |
Copyright | |
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acid Agric Amazon Amelonado annum Anon application areas attack Bahia branches Brazil broom budding Bull Cameroon canker canopy capsids caused cent chupons clear-felling cocoa beans cocoa farms Cocoa Growers cocoa plants Cocoa Res cocoa swollen shoot Coconuts Colombia Conf Costa Rica Criollo crop cultivars damage dieback disease of cocoa dry season Ecuador effect Entwistle farmers fermentation fertiliser flavour forest fungicide fungus Ghana growth harvesting herbicides Itabuna Ivory Coast jorquette labour usage leaf losses Malaysia man-days mature cocoa mealybugs method mirids mistletoe Nigeria nursery nutrients old cocoa trees palmivora Papua New Guinea pathogen Peninsular Malaysia pesticides pests Phytophthora palmivora Phytophthora pod rot plantation Proc production pruning rainfall reduced rehabilitation removal replanting root Sabah seed seedlings shade trees soil SOURCE species spores spraying stem symptoms Table temperature Theobroma cacao tissue tonnes trials Trin Trinidad Turrialba vascular-streak dieback weed control West Africa wilt yield young cocoa