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Sökt på: gordon conway
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totalt 2 träffar
Unwelcome Harvest
inbunden,
2009,
Engelska,
ISBN 9781849710213
Agriculture Pollutes: pesticides can destroy wildlife and some are toxic to humans; some fungicides and herbicides cause cancer. Nitrates result in the contamination of drinking …
After the Green Revolution
inbunden,
2009,
Engelska,
ISBN 9781849710190
'The Green Revolution' of the 60's and 70's produced immense gains in food cereal production in the Third World. But there are huge problems in the 'post-revolutionary' era: …