Bulletins of Indian Industries & Labour. No. 42 India’s Resources in Mineral Fertilisers August 1929

These conditions are fulfilled in various parts of India typically in the Bihar section of the Gangetic plain where the population in some parts reaches the high figure of over 600 to the square mile ; this Bihar. [...] The Salpetre industry in India flourished especially during the days of the American Civil War when the salt was an essential ingredient of all explosives and when India practically held a monopoly of its production.-[ The houses of Indian villages consist for the most part of mud and as a consequence frequently tumble down and have to be renewed. [...] The accumulations in some of the old village sites are the result of hundreds of years. [...] The typical conditions for the formation of nitrate in the Bihar plain are repeated in the Punjab and the United Provinces. [...] The following are the outputs of sulphate of ammonia by the Tata Iron and Steel Co.