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By B. Chandrasekaran; K. Annadurai; E.Somasundaram

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The available ancient literature includes the four Vedas, nine Brahnanas, Aranyakas, Sutra literature, Susruta Samhita, Charaka Samhita, Upanishads, the epics Ramayana and Mahabharata, eighteen Puranas, Buddhist and Jain literature, and texts such as Krishi-Parashara, Kautilya’s, Artha-sastra, Panini’s Ashtadhyahi, Sangam literature of Tamils, Manusmirit, Varahamihira’s Brhat Samhita, Amarkosha, Kashyapiya-Krishisukti and Surapala’s Vriskshayurveda. C. D. The information related to the biodiversity and agriculture (including animal husbandry) is available in these texts.

The food problem is not any more one of shortage or of high prices but how to enable the lower income groups to purchase the available food grains and how to make use of the huge food stocks to help accelerate the process of economic growth. The food for work programme has been designed since 1977–78 to provide work for the rural poor, the unemployed and the famine stricken people and at the same time create durable community assets. The Government is also implementing a scheme to provide food grains to the weaker sections, especially in the tribal areas at a price well below the already subsidized price in the public distribution system.

The position of the continents of Antarctica was far north of its current position; Australia sipped sideways and far west of its current position and the subcontinent of India was hundreds of miles from Asia. North American continent was located much farther south and east of its position today. North 24 A TEXTBOOK OF AGRONOMY America was in or near the tropics. Fossils of tropical plants and animals found in cold regions like North Dakota and Greenland. A. 180 million years ago About 180 million years ago the super continent Pangea began to break up in the Mesozoic Era.

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