Bangarwa, K., 2014. Potential role of exotic poplar in increasing tree cover as an alternative for forest restoration in India. Word Congress on Agroforestry, 10-14 Feb, Delhi.
Chandra, J.P., 2011. Development of poplar-based agroforestry system. Indian Journal of Ecology, 38: 11-14.
Chaturvedi, A.N., 1992. Optimum rotation of harvest for poplars in farmlands under agroforestry. Indian Forester, 118(2): 81-88.
Chaudhry, A.K., Khan, G.S., Siddiqui, M.T., Akhtar, M. and Aslam, Z., 2003. Effect of arable crops on the growth of poplar (Populus deltoides) tree in agroforestry system. Pakistan Journal of Agricultural Sciences, 40(1-2): 82-85.
Chauhan, S.K., Dhillon, W.S., Singh, N. and Sharma, R., 2013. Physiological behavior and yield evaluation of agronomic crops under agri-horti-silviculture system. International Journal of Plant Research, 3(1): 1-8.
Chavan, S.B. and Dhillon, R.S., 2019. Doubling farmers’ income through Populus deltoides-based agroforestry systems in northwestern India: an economic analysis. Current Science, 117(2): 219-226.
Dhiman, R.C., 2008. Evolution of poplar- based agroforestry in India. 23rd session of International Poplar Commission. 27-30 October 2008, Beijing, China, 52p.
Efhami, D., karimi, A., Pourtahmasi, K., Tagheyari, H.R. and Asadi, F., 2010. The Effects of agroforestry practices on vessel properties in Populus nigra Var. betulifolia. The IAWA Journal, 31(4): 481487.
Haque, M., 2014. Highest wood production by poplar (Populus deltoides) clones under agroforestry systems in Punjab state of India- a case study. Word Congress on Agroforestry. 10- 14 Feb, Delhi.
Jaswal, S.C., Mishra, V.K. and Verma, K.S., 1993. Intercropping ginger and turmeric with poplar (Populus deltoides G-3 Marsh.). Agroforestry Systems, 22: 111-117.
Jiang, Y. and Qin, G., 2007. Effect of tree-crop intercropping on a young Populus tomentosa plantation. Frontiers of Forestry in China, 2(2): 174–178.
Moreno, G., Obrader, J.J. and Garcia, A., 2007. Impact of evergreen oaks on soil fertility and crop production in intercropped dehesas. Agriculture, Ecosystems & Environment, 119(3-4): 270-280.
Raj, A.J., Lal, S.B., Sameer, D. and Vitala, G., 2010. Intercropping of lemon grass with poplar (Populus deltoides Bartr. Ex Marsh) in Eastern Uttar Pradesh. Indian Journal of Agroforestry, 12(1): 13-17.
Rajiv, K., Sinha, K.R., Bhatia, S. and Vishnoi, R., 2003. Desertification control and rangeland management in the Thar desert of India. The Environmentalist, 23(3): 219- 227.
Ranasinghe, O.M.S.H.K. and Mayhead, G.J., 1990. The effect of Intercropping Populus ' RAP' With Beans. Forestry, 63(3): 271-277.
Rani, S., Rajasekaran, A., Benbi, D.K. and Chauhan, S.K., 2015. Cost benefit analysis and yield performance of agricultural crops under poplar and fruit crop in north western zone of Punjab, India. International Journal of Scientific Research, 4(6): 791-793.
Rivest, D., Coglisatro, A. and Olivier, A., 2009. Tree based intercropping systems increase growth and nutrient status of hybrid poplar: A case study from two Northeastern American experiments. Journal of Environmental management, 91: 432-440.
Schroth, G., Fonseca, G.A.B. Harvey, C.A., Gascon, C., Vasconcelos, H.L. and Izac, A.M.N., 2004. Agroforestry and biodiversity conservation in tropical landscapes. Island Press, Washington, D.C., 523p.
Stamps, W.T. and Linit, M.J., 1999. The problem of experimental design in temperate agroforestry. Agroforestry Systems, 44: 187-196.
Tagheyari, H.R., Efhami, D., karimi, A. and Pourtahmasi, K., 2011. Study on the effect of initial spacing on gas permeability of Populus nigra betulifolia. Journal of Tropical Forest Science, 23(3): 305-310.
Taghiyari, H.R. and Efhami, D., 2011. Diameter increment response of Populus nigra var. betulifolia induced by alfalfa. Austrian Journal of Forest Science, 128(2): 113–127.