Parliamentary Papers, Nide 11H.M. Stationery Office, 1961 |
Kirjan sisältä
Tulokset 1 - 3 kokonaismäärästä 85
Sivu
... caused by Ceratocystis paradoxa , and the presence of this disease has now been confirmed at three sites in Western Nigeria . The results of the surveys indicate that new causes of the disease and recovery from the disease occur ...
... caused by Ceratocystis paradoxa , and the presence of this disease has now been confirmed at three sites in Western Nigeria . The results of the surveys indicate that new causes of the disease and recovery from the disease occur ...
Sivu
... caused by the shoot borer , D. abbreviatus , was slight . Improved cultivation practices and a shorter ratoon period appear to have reduced attacks by the cane root mealybug , Rhizoecus sp . The locally - known Jumping Borer ...
... caused by the shoot borer , D. abbreviatus , was slight . Improved cultivation practices and a shorter ratoon period appear to have reduced attacks by the cane root mealybug , Rhizoecus sp . The locally - known Jumping Borer ...
Sivu
... caused the death of many old trees . 336. In Uganda the " new " , undescribed disease of robusta coffee has been further studied . Spread has been more marked in 1960 than in previous years , differentially timed copper sprays showing ...
... caused the death of many old trees . 336. In Uganda the " new " , undescribed disease of robusta coffee has been further studied . Spread has been more marked in 1960 than in previous years , differentially timed copper sprays showing ...
Sisältö
ii Colonial Development and Welfare Research Schemes | |
Allocations for Research under the Colonial Development | |
CONTENTS | |
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31st March acres African Agriculture amount animals breeding British Guiana British Honduras capital cattle cent cocoa Colonial Committee completed continued Corporation cost crop Department Development Co Ltd dieldrin disease East Africa economic effect established Estate experimental experiments factory Federal field Fiji finance forest further Gambia Government grass growth Hotel Housing increased industry infection insecticides Institute interest investigation irrigation isolated Jamaica Kenya laboratory leaf loan London maize Malaya Medical Research ment methods Nigeria North Borneo Northern Rhodesia nutrition Nyasaland obtained Oil Palm Organisation overseas parasites pest planted plots problems production Professor profit programme projects protein Regional Report Research Council Research Unit rinderpest Sarawak schemes seed seedlings shares showed Sierra Leone soil species spraying Station sugar survey Swaziland Tanganyika territories tests tion tons trees trials Trinidad Tropical Trypanosomiasis tsetse Tsetse Fly Uganda vaccine varieties virus visited West yields