SCIENCE OF SOIL
ROOM FOR PRODUCTIVITY IN WORLD. (Rec. 5.5 p.m.) Washington, June 17. Professor Albrecht Penck, of Holland, addressing the International Congress on soil science, said the limit of population with all the cultivatable land tilled, was approximately eighty billion. There were still vast areas to be drawn into the service of man and also, in the greater part of the world, productivity per unit could be very much increased. Many denied that the white man could exist in moist tropics for more than one generation or so. He believed the white man could acclimatise himself if he migrated step by step and very slowly from the high border regions into the moist plains.—A. and N.Z.
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Southland Times, Issue 20208, 20 June 1927, Page 7
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117SCIENCE OF SOIL Southland Times, Issue 20208, 20 June 1927, Page 7
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