Rao, O. P., Pradyuman Singh, R. J. Gupta, and S. K. Verma. 2017. “Growth and Yield Performance of Wheat (<I>Triticum aestivum< I>) at Different Crop Distance from Tree Base under <I>Populus deltoides< I> Bartr. Ex. Marsh. Based Agri Silviculture System”. Indian Forester 143 (6):577-80. https://doi.org/10.36808/if/2017/v143i6/115843.