Abbas T, 2017, ECOTOX ENVIRON SAFE, V140, P37, DOI 10.1016/j.ecoenv.2017.02.028; Adekayode F. O., 2010, Journal of Soil Science and Environmental Management, V1, P40; Ali S, 2017, ENVIRON SCI POLLUT R, V24, P12700, DOI 10.1007/s11356-017-8904-x; Ameloot N, 2013, SOIL BIOL BIOCHEM, V57, P401, DOI 10.1016/j.soilbio.2012.10.025; Anonymous], BIOCHAR ENV MANAGEME; Atkinson CJ, 2010, PLANT SOIL, V337, P1, DOI 10.1007/s11104-010-0464-5; Blake GR, 1984, METHOD SOIL ANAL 1, P363; Cantrell KB, 2012, BIORESOURCE TECHNOL, V107, P419, DOI 10.1016/j.biortech.2011.11.084; Chan KY, 2007, AUST J SOIL RES, V45, P629, DOI 10.1071/SR07109; Downie A., 2009, BIOCHAR ENV MANAGEME, P13, DOI 10.4324/9781849770552; El-Naggar A, 2018, GEODERMA, V332, P100, DOI 10.1016/j.geoderma.2018.06.017; Glaser B., 2002, 12 ISCO C BEIJ, P421, DOI 10.1007/S00374-002-0466-4; Igalavithana AD, 2017, CRIT REV ENV SCI TEC, V47, P2275, DOI 10.1080/10643389.2017.1421844; Kloss S, 2012, J ENVIRON QUAL, V41, P990, DOI 10.2134/jeq2011.0070; Lehmann J., 2006, Mitigation and Adaptation Strategies for Global Change, V11, P403, DOI 10.1007/s11027-005-9006-5; Lehmann J, 2011, SOIL BIOL BIOCHEM, V43, P1812, DOI 10.1016/j.soilbio.2011.04.022; Liu XH, 2012, INT J AGRIC BIOL, V14, P745; Malik Z, 2018, ARAB J GEOSCI, V11, DOI 10.1007/s12517-018-3863-1; Masulili A., 2010, Journal of Agricultural Science (Toronto), V2, P39; Nelson D.W., 1996, SOIL SCI SOC AM, P961, DOI 10.2134/AGRONMONOGR9.2.2-D.C29; OLSEN STERLING R., 1954, U S DEPT AGRIC CIRC, V939, P1; Rehman MZU, 2018, CHEMOSPHERE, V199, P468, DOI 10.1016/j.chemosphere.2018.02.030; Rehman MZU, 2017, ENVIRON POLLUT, V227, P560, DOI 10.1016/j.envpol.2017.05.003; Rehman MZU, 2016, ECOTOX ENVIRON SAFE, V133, P218, DOI 10.1016/j.ecoenv.2016.07.023; Rehman MZ., 2018, ARAB J GEOSCI, V11, P1, DOI 10.1007/s12517-017-3236-1; Rizwan M, 2016, ENVIRON SCI POLLUT R, V23, P1414, DOI 10.1007/s11356-015-5351-4; RYAN J, 2001, SOIL PLANT ANAL LAB; Schulz H, 2012, J PLANT NUTR SOIL SC, V175, P410, DOI 10.1002/jpln.201100143; Shaheen SM, 2015, ECOL ENG, V74, P319, DOI 10.1016/j.ecoleng.2014.10.024; Siemonsma J. S., 1982, La culture du gombo (Abelmoschus spp.), legume-fruit tropical (avec reference speciale a la Cote d'Ivoire).; SIMS JR, 1971, SOIL SCI SOC AM PRO, V35, P603, DOI 10.2136/sssaj1971.03615995003500040035x; Steel R. G. D., 1980, Principles and procedures of statistics, a biometrical approach.; Steiner C, 2007, PLANT SOIL, V291, P275, DOI 10.1007/s11104-007-9193-9; UECKERT DN, 1978, J RANGE MANAGE, V31, P420, DOI 10.2307/3897199; Verheijen F., 2009, 24099 EUR EN; William K., 2015, J BIORESOURCE MANAGE, V2, P41