Singh, K.M.; Meena, M.S.; Kumar, Abhay; Singh, R.K.P. - Volkswirtschaftliche Fakultät, … - 2013
Agriculture occupies a key position in the Indian economy providing a source of livelihood for a majority of the population. Successes in agricultural front with high production levels, especially in food grains have indeed been achieved. But more energy in the form of mineral fertilizers,...