Parliamentary Papers, Band 10H.M. Stationery Office, 1959 |
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Seite 101
... spraying with copper oxychloride at bud swelling gave good results . Similar spraying of unpruned trees was less effective . Soils 422. Detailed soil surveys were completed of 22,000 acres . In addition a reconnaissance survey of 320 ...
... spraying with copper oxychloride at bud swelling gave good results . Similar spraying of unpruned trees was less effective . Soils 422. Detailed soil surveys were completed of 22,000 acres . In addition a reconnaissance survey of 320 ...
Seite 221
... spraying . A more detailed study of the atypical funestus species and varieties occurring in the area is being made . Bed bugs and domestic culicines are now highly resistant to Dieldrin . The sixth and final cycle of spraying was ...
... spraying . A more detailed study of the atypical funestus species and varieties occurring in the area is being made . Bed bugs and domestic culicines are now highly resistant to Dieldrin . The sixth and final cycle of spraying was ...
Seite 271
... spraying with 5 per cent . gamma BHC in kerosene and four months later with 5 per cent . dieldrin . Both treatments reduced Glossina swynnertoni to a very low level for about two months , whilst the first resulted in a more rapid kill ...
... spraying with 5 per cent . gamma BHC in kerosene and four months later with 5 per cent . dieldrin . Both treatments reduced Glossina swynnertoni to a very low level for about two months , whilst the first resulted in a more rapid kill ...
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acres African Agriculture amount animals application assistance breeding British Guiana capital cattle cent cocoa coffee Colombo Plan Colonial Committee continued Corporation cotton Council countries crop D.Sc Dieldrin disease East Africa economic effect established expenditure experimental experiments export factors Federation fertiliser field finance Fisheries forest Forestry further Gambia Government grass growth haemoglobin important improvement increase industry infection insecticides Institute investigation investment irrigation isoniazid Jamaica Kenya Laboratory leprosy loans maize Malaya Medical Research ment method million Nigeria nitrogen Northern Rhodesia Nyasaland obtained Oil Palm organisation Pakistan pests plant plots problems production Professor programme progress projects protein Region Research Station Research Unit Rhodesia rice Sarawak Scheme season seed seedlings showed Singapore soil species spraying survey Swaziland Tanganyika territories tests tons treatment trees trials Trinidad Tropical Uganda United Kingdom vaccine varieties virus West yield