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. |
From inside the book
Results 1-3 of 65
Page 166
... light intensity , temperature and air movement and it affects rela- tive humidity and soil moisture . Reduction in light intensity , or rather radiation , is a very important effect , as radiation is one of the main factors governing ...
... light intensity , temperature and air movement and it affects rela- tive humidity and soil moisture . Reduction in light intensity , or rather radiation , is a very important effect , as radiation is one of the main factors governing ...
Page 167
... light saturation at about 15 per cent full midday sunlight . Leaves from seedlings and young plants showed a decline in photosynthetic rate at higher light intensity , but leaves from vigorous trees in the field showed little or no ...
... light saturation at about 15 per cent full midday sunlight . Leaves from seedlings and young plants showed a decline in photosynthetic rate at higher light intensity , but leaves from vigorous trees in the field showed little or no ...
Page 168
... light yields are low and fertilisers have little effect . Up to 50 per cent light the yield and response to fertilisers increases , but at light intensitites above this level yield falls in the absence of fertilisers and increases with ...
... light yields are low and fertilisers have little effect . Up to 50 per cent light the yield and response to fertilisers increases , but at light intensitites above this level yield falls in the absence of fertilisers and increases with ...
Contents
Botany types and populations H Toxopeus | 11 |
Environment G A R Wood | 38 |
Planting material H Toxopeus | 80 |
Copyright | |
49 other sections not shown
Other editions - View all
Common terms and phrases
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