Afyuni, M, Schulin, R., Rezaeinejad, Y., 2006. Extractability and plant uptake of Cu, Zn, Pb and Cd from a sludge - amended Haplargid in central Iran. Arid Land Research Management 20(1): 29 – 41.
Ahmad, M., Rajapaksha, A.U., Lim, J.E., Zhang, M., Bolan, N., Mohan, D., Vithanage, M., Lee, S.S., Ok, Y.S., 2014. Biochar as a sorbent for contaminant management in soil and water: a review. Chemosphere 99: 19-33.
Amonette, J.E., Joseph, S., 2009. Physical properties of biochar. London Sterling, VA, In: Lehmann, J., Joseph, S. (Eds.), Biochar for Environmental Management, 13-29 pp.
Baran, A., Cayci, G., Kutak, C., Hartmann, R., 2001.The effect of grape mare as growingmedium on growth of hypostases plant. Bioresource Technology, 78: 103-106.
Beesley, L., Marmiroli, M., Pagano, L.,Pigoni, V., Fellet, G., Fresno, T., Vamerali, T., Bandiera, M., Marmiroli, N., 2013. Biochar addition to an arsenic contaminated soil increases arsenic concentrations in the pore water but reduces uptake to tomato plants (solanum lycopersicum L.). Science of the Total Environment 454-455: 598-603.
Bian, R., Chen, D., Liu, X., Cui, L., Li, L., Pan, G., Xie, D., Zhang, X., Zhang, J., Chang, A., 2013. Biochar soil amendment as asolution to prevent cd-tainted rice from china: results from a cross-site field experiment. Ecological Engineering. 58: 378-383.
Boostani, H. R., Ronaghi, A., 2011. Comparison of sewage sludge and chemical fertilizer application on yield and concentration of some nutrients in spinach (Spinosa olerace L.) in three textural classes of a calcareous soil. Journal of Water and Soil 2: 65-74. (In Persian).
Bouyoucos, G. J., 1962. Hydrometer method improved for making particle-size analysis of soils. Agronomy Journal, 54(5): 464-465
Bremner, J. M., 1965. Total Nitrogen.In C. A. Black et al. (ed.) Methods of Soil Analysis.American Society of Agronomy, Madison, WI. 1149-1178 pp.
Chang A.C., Hyun, H., page, A.L., 1997. Cadmium uptake for swiss chard grown on composted sewage sludge treated field plots: plateau or time bombo. Journal of Environmental Quality, 26: 11-19.
Egan, M., 2013. Biosolids management strategies: an evaluation of energy production as an alternative to land application. Environmental Science Pollution Research 20: 4299–4310.
Gu, X.Y., Wong, J.W.C., Tyagi, R.D. 2017. Bioleaching of heavy metals from sewage sludge for land application. In: Wong, J., Tyagi, R., Pandey, A.,(Eds.),Curreent Development in Biotechnology and Bioengineering Solid Waste Management, 241-265 pp.
Gwenzi, W., Muzava, M., Mapanda., F., Tauro., T.P., 2016. Comparative short-term effects of sewage sludge and its biochar on soil properties, maize growth and uptake of nutrients on a tropical clay soil in Zimbabwe. Journal of Integrative Agriculture, 15: 1395-1406.
Hodgson, J. F., Lindsay, W. L., Trierweiler, J. F., 1966. Micronutrient cation complexing in soil solution: ІІ complexing of zinc and copper in displaced solution from calcareous soils. Soil Science Society of America Proceedings, 30: 723-726.
Hosseinpour, R., Sepanlou, M. G., Salek Gilani, S., 2016. The Effects of Sewage Sludge and Chemical Fertilizers on Concentration of Some Microelements in Soil and Lettuce (Lactuca Sativa L.). Journal of suistainable Agriculture and Production Science, 26: 31-43. (In Persian).
Houdaji, M., Abedi, M.J., Afyuni, M., Mousavi, S.F., 2003. Effect of sewage sludge and cadmiumapplication on cadmium concentrations in cress, lettuce and spinach, Journal of Agricultural Sciences, 9: 57-72 (In Persian).
Jeffery, S., Verheijen, F.G.A., van der Velde, M., Bastos, A.C., 2011. A quantitative review of the effects of biochar application to soils on crop productivity using meta-analysis. Agriculture, Ecosystems & Environment, 144: 175-187.
Karami, M., Afyuni, M., Rezaee Nejad, Y., Khosh Goftarmanesh, A., 2009. Cumulative and Residual Effects of Sewage Sludge on Zinc and Copper Concentration in Soil and Wheat. JWSS - Isfahan University of Technology. 12 (46): 639-654. (In Persian).
Lehmann, J. 2007. Bio-energy in the black. Frontiers in Ecology and the Environment. 5: 381–387.
Lehmann, J., Joseph, S., 2015. Biochar for environmental management; an introduction. In: Lehmann, J., Joseph, S. (Eds.), biochar for environmental management: Science and Technology. Earthscan, Londan.
Lindsay, W. L., Norvell, W. A., 1978. Development of a DTPA soil test for zinc, iron, manganese, and copper. Soil Science Society of America Journal. 42: 421-428.
McBride, M. B., 2002. Cadmium uptake by crops estimated from soil total Cd and pH. Soil Science, 167: 62-67.
Melo, L.C.A., Coscione, A.R., Abreu, C.A., Puga, A.P. Camargo, O.A., 2013.Influence of pyrolysis temperature on cadmium and zinc sorption capacity of sugar cane straw derived biochar. Bioresources 8: 4992-5002.
Naeem, A. M., Muhammad, K., Muhammad, A., Ghulam., A., Muhammad., T., Muhammad. A., Behzad., M., Aizheng. Y., Saqib Saleem, A., 2017. Effect of wheat and rice straw biochar produced at different temperatures on maize growth and nutrient dynamics of a calcareous soil. Archives of Agronomy and Soil Science. 63: 2048-2061.
Nazari, M. A., Shariatmadari, H., Afyuni, M., Mobli, M., Rahili, Sh., 2006.Effect ofIndustrial Sewage-Sludge and Effluents Application on Concentration of SomeElements and Dry Matter Yield of Wheat, Barley and Corn. JWSS - IsfahanUniversity of Technology, 10: 97-111. (In Persian).
Neilsen, G.H., Hogue, E.J., Neilsen, D. Zebarth, B. J., 1998. Evaluation of organic wastes as soil amendments for cultivation of carrot and chard on irrigated sandy soils. Canadian Journal Soil Science, 78: 217-225.
Nelson, D. W., Sommers, L. E., 1960. Total Carbon and Organic Matter. In D. L. Sparks et al. (eds) Methods of Soil Analysis. Part III. 3rd ed. Soil Science Society of America Journa, American Society of Agronomy. Madison, WI. 961-1010
Oleszczuk, P., Hale, S.E., Lehmann, J., Cornelissen, G., 2012. Activated carbon and biochar amendments decrease pore-water concentration of polycyclic aromatic hydrocarbons (PAHs) in sewage sludge. Bioresource Technology 111, 84-91
Park, J.H., Choppala, G.K., Bolan, N.S., Chung, J.W., Chuasavathi, T., 2011. Biochar reduces the bioavailability and phytotoxicity of heavy metals. Plant Soil, 348: 439-451.
Puga, A.P., Abreu, C.A., Melo, L.C.A., Beesley, L., 2015. Biochar application to a contaminated soil reduces the availability and plant uptake of zinc, lead and cadmium. Journal of Environmental Management. 159: 86-93.
Rajabi, H., 2014. Effect of pistachio residue biochar, sewage sludge, and chemical fertilizer on the bioavailibility and uptake of nitrogen and phosphorus by spinach. Faculty of Agriculture, Soil Science, Shiraz University, Iran. (In Persian).
Rees, F., Simonnot, M.O., Morel, J.L., 2014. Short-term effects of biochar on soil heavy metal mobility are controlled by intra-particle diffusion and soil pH increase. European Journal of Soil Science, 65: 149-161.
Ronaghi, A., Ghasemi-Fasaei, R., 2008. Field Evaluations of Yield, Iron-Manganese Relationship, and Chlorophyll Meter Readings in Soybean Genotypes as Affected by Iron-Ethylenediamine Di-o-hydroxyphenylacetic Acid in a Calcareous Soil. Journal of Plant Nutrition, 31: 81–89.
Schultz, H., Bruno, G., 2012. Effects of biochar compared to organic and inorganic fertilizers on soil quality and plant growth in a greenhouse experiment. Journal of Plant Nutrition and Soil Science, 175: 410–422.
Suciu, N.A., Lamastra, L. Trevisan, M., 2015. PAHs content of sewage sludge in Europe and its use as soil fertilizer. Waste Management, 41: 119-127.
Tang, J., Zhu, W., Kookana, R., Katayama, A., 2013. Characteristics of biochar and its application in remediation of contaminated soil. Journal of Bioscience and Bioengineering, 116: 653-659.