Agricultural Sciences

A Textbook of Agronomy by B. Chandrasekaran; K. Annadurai; E.Somasundaram

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

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Extra resources for A Textbook of Agronomy

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Average farmers yield - Actual yield obtained by the farmer. Gap I - The latest technologies developed by the scientists are not completely transformed to the extension agency. The extension agency should fill up the gap by advocating the farmers by acquiring themselves with these improved methods of cultivation. Gap II - Here, there is no input constraints and only environmental constraints exist. Gap III - Variation in management of field and crop. Only few farmers get higher yield. Gap can be filled up by improving the socio-economic condition of the farmers.

135 million years ago OF INDIA 25 26 A TEXTBOOK OF AGRONOMY In the Jurassic period about 135 million years ago, Laurasia was still moving, and as it moved it broke up into the continents of North America, Europe and Asia (Eurasian plate). In the second stage, the Gondwana period continents separated from each other during the Jurassic and Cretaceous period. In the late Jurassic, South America separated from Africa. This created another narrow basin between these two continents. The eastern coast of North America separated from the Moroccan bulge of Africa.

The extension agency should fill up the gap by advocating the farmers by acquiring themselves with these improved methods of cultivation. Gap II - Here, there is no input constraints and only environmental constraints exist. Gap III - Variation in management of field and crop. Only few farmers get higher yield. Gap can be filled up by improving the socio-economic condition of the farmers. AN INTRODUCTION TO AGRICULTURE AND AGRONOMY 21 Constraints in Crop Production I. Ecological II. Production 1.

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