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Looks at the causes of flowering, examining factors such as day length and night length. Shows how this information is used by commercial growers of chrysanthemums. Also discusses crops such as celery where...
A review of our knowledge of how plants utilise sunlight, including the research that led to the 1988 Nobel Prize for chemistry. Plants produce oxygen when exposed to light, and produce starch. The green...
Examines the Plant Health and Seed Inspectorate’s concern with horticulture, agriculture and the environment, including the work being done on import and export, as well as plant health requirements.
When does biology seem to outstrip simple physics? Ordinary air pressure can only raise a column of water up ten metres, but a giant redwood tree can raise it more than 100 metres. The film demonstrates how...
Dust from the Chernobyl nuclear accident reached Britain in April 1986, but some areas of the Cumbrian uplands were still radioactive in the autumn of 1990. This runs counter to the early predictions: what...
An archaeologist and a botanist discuss the 18th-century practice of planting trees on prehistorical mounds and what happens when such trees become too old to survive.
Looks at attempts to create food products through biotechnology. Genetic engineers claim that food shortages in the developing countries could be overcome by transferring genes from plants which can survive...
Shows how Western scientists are drawing on the knowledge of the native inhabitants of tropical rain forests to examine new species of plants previously unknown to them - plants that could provide new...
Documentaries and studio discussions on European agriculture addressing the crucial debate about the future of farming practice and agricultural science in Europe. The series examines the purposes,...
An interactive video programme, with back-up data and pictures from a nature reserve. It combines 4000 still photographs, 160 film sequences together with sound, and 100k of computer software and statistical...
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