Citation | Sary, D.H. and R.T. Rashad. 2020. A comparative study on the impact of compost, humate, and silicate on the nutritional characteristics of calcareous soil cultivated by soybean. Sarhad Journal of Agriculture, 36(4): 1227-1235. DOI | http://dx.doi.org/10.17582/journal.sja/2020/36.4.1227.1235