S. K. DWIVEDI, et al. “IMPACT OF NATURAL ORGANIC FERTILIZER (SEAWEED SAPS) ON PRODUCTIVITY AND NUTRIENT STATUS OF BLACKGRAM (PHASEOLUS MUNGO L.)”. The Bioscan, vol. 9, no. 4, Oct. 2014, pp. 1535-40, https://thebioscan.com/index.php/pub/article/view/880.