Available online
Description
Some of the efforts used to increase the supply of nitrogen compounds on which crops depend for their growth.
Some of the efforts used to increase the supply of nitrogen compounds on which crops depend for their growth.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 29 |
| First transmission date: | 22-09-1977 |
| Published: | 1977 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
| + Show more... | |
| Producer: | Barrie Whatley |
| Contributors: | David Smith; Paul Vaughan; Peter Dart; John Postgate; Joseph Chatt; Ray Richards |
| Publisher: | BBC Open University |
| Keyword(s): | Bacterial symbiants; Fertilizer; Micro-organisms; Nutrients |
| Footage description: | Footage - Market. Caterpillars. Time lapse film of beans sprouting (0'12"-0'46") - Bacteria (0'52"-1'06") - Animation of nitrogen cycle (1'38"-2'35") - Starvation & disease. Barren land. Harvester. Chemical plant. Oil rig. Fertilizer (2'53"-4'44") - Arabian market. Root nodules (5'39"-6'06") - Convoluta flatworm (6'32"-8'18") - Rothamsted. Wheat field (8'37"-9'52") - Rice field. Cows (9'59"-10'37") - Animation of gut bacteria. Bacteria dividing & multiplying (11'37"-12'48") - Root nodules. Root hair being invaded by bacteria (13'19"-14'14") - Beans being treated with bacteria before planting (14'38"-15'05") - Agricultural Research Council, Sussex University. Culturing bacteria on a large scale to isolate an enzyme (15'57"-16'37") - Gene tranfer. Making nitrogen fixing bacteria (18'16"-18'49") - Reduction of dinitrogen to ammonia (22'10"-22'43"). |
| Master spool number: | 6HT/72508 |
| Production number: | 00525_1237 |
| Videofinder number: | 911 |
| Available to public: | no |
