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Looks at how an unarmed police force copes in modern Britain, with over 160,000 burglaries in 1994 in London alone and a rising drugs problem, by following a police constable in an inner London area and a...
Looks at companies and organisations involved in the sport of horse racing and the breeding of thoroughbred horses, examing what is necessary to achieve excellence in this area. Features the British...
Cinemicrography aided by explanatory animated diagrams and scanning electron micrographs, provides views of the exploration, probing and feeding movements of adult and larval cereal thrips ‘Limothrips...
Tells the story of black miners and their families in Doncaster, Leeds and Nottingham. Black miners have now established themselves within most jobs in the industry although, until relatively recently, some...
Describes an experiment in the International Biological Programme to estimate the amount of atmospheric nitrogen fixed by lucerne (alfalfa). Infection of root hairs by nodule bacteria and the development of...
Describes the normal processes of infection of clover root hairs by root-nodule bacteria and subsequent nodule formation. Shows the root-hair surface using scanning electron microscopy, the initiation of...
'Solanum berthaultii’, an insect-resistant wild potato from Bolivia, has abundant sticky-tipped hairs on the foliage to which small insects and mites get stuck. In contrast, the foliage of cultivated...
A field crop of potatoes stunted by attack from ‘Heterodera rostochiensis’ (now Globodera) exemplified the economic importance of this group of nematode pests. By means of high-power cinemicrography,...
The stem nematode ‘Ditylenchus dipsaci’ causes serious yield losses in temperate regions. Being resistant to drought it is often distributed on seed. Control with chemicals is expensive, but the use of...
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