1- Abbasi, F. and Sheiny Dashtegol, A., 2014. Evaluation of farrow irrigation systems in sugar cane agro-industries (Case study in Amir Kabir, Dehkhoda, Farabi and Karun Agro-Industries) Research Report, pp. 16-20 (In Persian).
2- Abd- All, A.E., Ashraf, E., E-Namas. and EL-Naggar, E.M., 2017. Effect of humic acid and foliar application of different potassium sources on yield, quality and water use efficiency of sweet potato grown under drip irrigation in sandy soil. Alexandria Science Exchange Journal, 38(3), pp. 543-553.
3- Anyia, A.O. and Herzog, H., 2004. Water-use efficiency, leaf area and leaf gas exchange of cowpeas under mid-season drought. European Journal of Agronomy, 20, pp. 327-339.
4- Bezerra, P.S.S., Prado, R.M. and Shigaki, F., 2015. Natural phosphate and humic substances applied in Quartzipsamment and Kandiudult cultivated with Sugar Cane. Journal of Agriculture and Environmental Sciences, 4(2), pp. 153-163.
5- Bouyoucos, G.J., 1961. Hydrometer method improved for making particle size analyses of soils. Agronomy Journal, 54, pp. 464–465.
6- Bruna, A., Marcos, R., Amin, S., Alan, E.R., Fernando, D.A. and Paulo, S.P., 2016. Biological and morphological traits of sugarcane roots in relation to phosphorus uptake. Journal of Soil Science and Plant Nutrition, 16(4), pp. 901-915.
7- Busato, J.G., Zandonadi, D.B., Dobbss, L.B., Façanha, A.R. and Canellas, L.P., 2010. Humic substances isolated from residues of sugar cane industry as root growth promoter. Scientia Agricola, 67(2), pp. 206-212.
8- Canellas, L.P. and Olivares, F.L., 2014. Physiological responses to humic substances as plant growth promoter. Chemical and Biological Technologies in Agriculture, 1:3.
9- Demattê, J.A.M., Silva, M.L.S., Rocha, G.C., Carvalho, L.A., Formaggio, A.R. and Firme, L.P., 2005. Variações espectrais em solos submetidos à aplicação de torta de filtro. Revista Brasileira de Ciência do Solo, 29, pp. 317-326.
10- Govindasmy, R. and Chandrasekaran, S., 2008. Effect of humic acids on the growth, yield and nutrient content of sugarcane. Science of the Total Environment, 117-118, pp. 575-581.
11- Jangpromma, N., Thammasirirak, S., Jaisil, P. and Patcharin, S., 2012. Effects of drought and recovery from drought stress on above ground and root growth, and water use efficiency in sugarcane (Saccharum officinarum L.). Australian Journal of Crop Science, 6(8), pp. 1298-1304.
13- Loeppert, H.L. and Suarez, D.L., 1996. Carbonate and gypsum. Methods of Soil Analysis. SSSA, Part III. Madison, WI, pp. 437-474.
14- Martinez, M.T., Romero, C. and Gaviu, N.J., 1984. Solubilization of phosphorus by humic acids from lignite. Soil Science, 138, pp. 257-261.
15- Miller, R.O., 1998. Determination of dry matter content of plant tissue: gravimetric moisture. Handbook of Methods for Plant Analysis. CRC Press.
16- Nelson, D.W. and Sommers, L.E., 1996. Total carbon, organic carbon and organic matter. Methods of Soil Analysis. Part III. SSSA. Madison, WI, pp. 961-1010.
17- Olsen, S.R., Cole, C.V., Watanabe, E.S. and Dean, L.A., 1954. Estimation of available phosphorus in soils by extraction with sodium bicarbonate. United States Department of Agriculture Circular, 939, pp. 1-18.
18- Pizzeghello, D., Francioso, O., Ertani, A., Muscolo, A. and Nardi, S., 2013. Isopentenyladenosine and cytokinin-like activity of different humic substances. Journal of Geochemical Exploration, 129, pp. 70-75.
19- Puglisi, E., Fragoulis, G., Del Re, A.A., Spaccini, R., Piccolo, A., Gigliotti, G., Said-Pullicino, D., Trevisan, M., 2008. Carbon deposition in soil rhizosphere following amendments with compost and its soluble fractions, as evaluated by combined soil–plant rhizobox and reporter gene systems. Chemosphere, 73, pp.1292–1299.
20- Puglisi, E., Fragoulis, G., Ricciuti, P., Cappa, F., Spaccini, R., Piccolo, A., Trevisan, M. and Crecchio, C., 2009. Effects of a humic acid and its size-fractions on the bacterial community of soil rhizosphere under maize (Zea mays L.). Chemosphere, 77, pp. 829–837.
21- Sellamuthu, K.M. and Govindaswamy, M., 2003. Effect of fertiliser and humic acid on rhizosphere microorganisms and soil enzymes at an early stage of sugarcane growth. Agronomy Series, No.9, Ed., C.A. Black. Madison, Wisconsin, pp, 1149-1178.
22- Šmejkalová, D. and Piccolo, A., 2008. Aggregation and disaggregation of humic supramolecular assemblies by NMR diffusion ordered spectroscopy (DOSY-NMR). Environmental Science & Technology, 42, pp. 699–706.
23- Sund, K. and Clements, H., 1974. Production of sugarcane under saline desert conditions in Iran. University of Hawai
24- Tennant, D., 1975. A test of a modified line intercepts method of estimating root length. Journal of Ecology, 63, pp. 995-1001.
25- Vahap Katka, A., Çelik, H., Murat, A.T. and Asik, B.B., 2009. Effects of soil and foliar applications of humic substances on dry weight and mineral nutrients uptake of wheat under calcareous soil conditions. Australian Journal of Basic and Applied Sciences, 3(2), pp. 1266-1273.
26- Vaezi, A.R., Homaee, M. and Malakoti., M.J., 2002. Effect of fertigationon fertilizer use efficiency and water use efficiency on forage corn. Journal of Soil and Water Sciences, 158(2)(In Persian).
27- Vafabakhsh, J., Nassiri Mahallati, M., Koocheki, A. and Azizi, M., 2009. Effects of water deficit on water use efficiency and yield of Canola cultivars (Brassica napus L.). Iranian Journal of Field Crops Research 7(1), pp. 280-292. (In Persian).
28- Wang, X.J., Wang, Z.Q. and Li, S.G., 1995. The effect of humic acids on the availability of phosphorus fertilizers in alkaline soils. Soil Use and Management, 11, pp. 99-102.
29- Zandonadi, D.B., Santos, M.P., Dobbss, L.B., Olivares, F.L., Canellas, L.P., Binzel, M.L., Okorokova-Facanha, A.L., Facanha, A.R., 2010. Nitric oxide mediates humic acids-induced root development and plasma membrane H+-ATPase activation. Planta, 231, pp. 1025–1036.