The favourable harvest yields of past years in developing countries have in Europe evoked the rumour of a "green revolution". But the problems with which developing countries are confronted have by no means been solved by the, mainly technological, changes. In view of this development it is now...

Until the middle of 1972, general optimism in assessing food supplies for the world was widespread. But since then, a more conservative view and a certain uncertainty in forecasting prospects have replaced the former high hopes. One of the crucial reasons for this change have been developments...