Parliamentary Papers, Band 9H.M. Stationery Office, 1957 |
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Seite 66
... shown to be of prime importance . Pre - emergence herbicides mainly PCP and petroleum fractions have had limited success while the use of weed smothering crops e.g. sugar cane and sweet potatoes , in rotations holds considerable promise ...
... shown to be of prime importance . Pre - emergence herbicides mainly PCP and petroleum fractions have had limited success while the use of weed smothering crops e.g. sugar cane and sweet potatoes , in rotations holds considerable promise ...
Seite 96
... shown wide differences in nutrient uptake on different soils . Very large differences in ash content occur between palms grown on coastal clays and upland soils and five - fold differences in man- ganese uptake between coastal clays and ...
... shown wide differences in nutrient uptake on different soils . Very large differences in ash content occur between palms grown on coastal clays and upland soils and five - fold differences in man- ganese uptake between coastal clays and ...
Seite 71
... shown since 1953 , one of 60 per cent in four years . Most of the territories showed increases between 1956 and 1957 of 10 per cent or more , important changes being Trinidad and British Guiana imports of machinery and transport ...
... shown since 1953 , one of 60 per cent in four years . Most of the territories showed increases between 1956 and 1957 of 10 per cent or more , important changes being Trinidad and British Guiana imports of machinery and transport ...
Inhalt
INTRODUCTORY | 6 |
Actual issues in respect of Research Schemes 19401957 | 18 |
CONTENTS | 140 |
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acid acre Aden African Agriculture animals appointed breeding British Guiana carried cattle cent cocoa Colonial Development Committee continued crop Cyprus D.Sc Department Development and Welfare dieldrin Director disease East Africa economic effect experimental experiments exports Federation of Malaya fertility fever fish Fisheries Research forest Forestry Gambia Ghana Government grass haemoglobin Hong Kong important increase infection insecticides Institute investigation Islands Jamaica Kenya Laboratory larvae Locust London maize malaria Medical Research ment methods microfilariae mosquitoes Nigeria Northern Rhodesia Nyasaland obtained Organisation overseas pests plant problems production Professor programme progress projects Region Report Research Unit rice Rift Valley fever samples Sarawak Scheme School season Secretary seed Service sickle-cell Sierra Leone Singapore soil species spraying Station strains survey Tanganyika territories tested tion treatment trials Trinidad Tropical Trypanosomiasis Uganda United Kingdom University College vaccine varieties vector virus viruses visited West Indies yield