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The Resources Available for Agriculture

The physical resources of earth, air, fire (energy) and water are large but are essentially fixed. The biological and social resources, however, are far from being pressed to the limit

By Roger Revelle

The Requirements of Human Nutrition

Environmental, dietary and physiological factors all interact to set nutritional needs of individuals and populations. Recommended energy and nutrient allowances are thus statistical approximations

By Nevin S. Scrimshaw and Vernon R. Young

The Plants and Animals that Nourish Man

Over the past 10,000 years man has chosen a relatively small number of plants and animals for domestication. The process made the domesticated species and man mutually dependent

By Jack R. Harlan

The Dimensions of Human Hunger

The number of people who are poorly nourished or undernourished can only be roughly estimated, but they probably represent an eighth of the human population. Most of them are found in Asia and Africa

By Jean Mayer

The Cycles of Plant and Animal Nutrition

Energy and inorganic nutrients are processed for human consumption by plants, animals and microorganisms. Modern agriculture ensures man's food supply by subsidizing the growth of these other species

By Carl H. Noller, Charles L. Rhykerd and Jules Janick

The Amplification of Agricultural Production

The new technology of the green revolution brings larger harvests from a given area of farmland. The foundation of this technology is the breeding of crops adapted to the needs of intensive agriculture

By Peter R. Jennings

The Agriculture of the U.S.

Its high productivity is a result of two centuries of development policy: low prices for land and other things needed for farming, stable prices for farm products and the promotion of innovation

By Earl O. Heady

The Agriculture of India

The nation has done much better in feeding its great population than most outsiders realize. Increasing farm output still more may force hard choices among strategies of agricultural and industrial growth

By John W. Mellor

Food and Agriculture

Introducing an issue about the world food problem. The situation is hopeful, with one proviso: that the development efforts of agrarian countries be concentrated less on industry and more on agriculture

By Sterling Wortman

Agricultural Systems

They are established by a combination of ecological, economic and cultural factors. The problem today is how the developing countries can promote high-yielding systems based on cereals

By Robert S. Loomis

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