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Full text of "Man In The Modern World"


We could vastly increase the productive power of the world's grass-
lands by deliberately working for types of beast that make greater
demands on the grass, and types of grass that make greater demands
on the soil. We have only got to make sure that we can continue to
provide the soil with the necessary chemical ingredients. But to
achieve this result we need the services, not only of the farmer and the
scientific agriculturist, but of the plant and animal geneticist, the soil
chemist, the systematic botanist, and the ecologist; nature cannot be
improved upon without the amassing of a deal of knowledge and the
expenditure of a deal of pains.