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[See individual programme entries for synopses.]
Looks at how nitrate gets into the soil, and its progress thrgh it. Uses Hatton catchment area as an examples and examines the opposing views of the Rothamsted Experimental Station and the Water Research...
Examines the flow of energy throughout the world of living things. In six 10-minute segments: The Concept of Energy Flow, Photosynthesis; energy Flow in the Ecosystem; Energy Flow at the Cellular Level;...
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