Groundnut its nutrition and fertilizer responses in IndiaJ SKanwarauthorH LNijhawanauthorS KRahejaauthorTHE cultivated groundnut Arachis l~ypogaea L, originated in South America and is now grown in 82 countries in the world and India is the largest producer of the crop. India, China, Nigeria, USA and Senegal account for four-fifths of the world's groundnut production. Groundnut was introduced in India in the 16th century. The area under the crop, however, was rather small till the beginning of the present century. being around one lakh hectares. It increased progressively to 6 lakh hectares by the end of the First World War and to 45 lakh hectares by 1950..........Groundnut1983Indian Council of Agriultural ResearchBook