Agricultural productivity and the nitrogen cycle
During the past 30 years agricultural production in the U.K. has consistently increased as the result of a number of technological changes. For example, cereal yields have doubled and milk yields from dairy cows have increased by one and a half times. Livestock numbers have also increased, particula...
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Veröffentlicht in: | Philosophical transactions of the Royal Society of London. Series B, Biological sciences Biological sciences, 1982-01, Vol.296 (1082), p.303-314 |
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