Abstract
In general, distribution of nutrients in soils is governed by soil forming factors and process crops grown and external supply. The continuous mining of the nutrients under intensive cropping system is of serious concern. The large tract of Eastern Uttar Pradesh is witnessing the deficiency of most of the nutrients and Ballia district is not an exception (Singh et al. 2017; Gupta et al. 2019). Singh et al. (2020) have characterized some of the rice growing soils of Eastern Uttar Pradesh and reported depth-wise distribution of some fertility parameters. Although horizon-wise distribution of nutrients in shrink-swell soils of other part of the country have been reported (Jagdish Prasad and Gajbhiye 1999; Karthikeyan et al. (2014) but it is lacking in Eastern Uttar Pradesh and particular in pulse-growing black soil of Ballia district and hence present investigation was carried out.
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