1. Campbell, W. H. (1999). Nitrate reductase structure, function and regulation: bridging the gap between biochemistry and physiology. Annual Review of Plant Physiology Plant Molecular Biology 50: 227-303. https://doi.org/10.1146/annurev.arplant.50.1.277
2. Chaukiyal, S.P. (2008 a). Standardization of in-vivo nitrate reductase activity in Clitoria ternatea leaves. Indian For. 134 (2): 250-254
3. Chaukiyal. S.P. (2008 b). Standardization of in-vivo nitrate reductase activity in Mucuna pruriens (L.) DC. Leaves. Ann. of For. 16 (2): 251-254
4. Chaukiyal. S.P. (2008 c). Standardization of in-vivo nitrate reductase activity in Rhynchsia minima (L.) DC. Leaves. Indian For. 134 (8): 1067-1070
5. Chaukiyal. S.P. (2008 d). Standardization of in-vivo nitrate reductase activity in Crotalaria burhia leaves. Indian For. 135 (7): 965-969
6. Chaukiyal. S.P. (2008 e). Standardization of in-vivo nitrate reductase activity in Mimosa hamata Willd. leaves. Indian J. of For. 32 (2): 239-242
7. Chaukiyal, S.P., Khatri, N., Bhatia, P., and Pokhriyal, T.C. (2013). Standardization of in-vivo nitrate reductase activity and its pattern in the individual leaf blades of Myrica esculenta Buch. Ham. ex. D.Don. (Sent for publication in Indian Journal of Plant Physiology). https://doi.org/10.1007/s40502-014-0096-5
8. Chaukiyal, S.P. and Mir, R.A. (2010). Assessment of nitrate reductase activity in the leaves of Terminalia chebula Indian For. 136 (9): 1213-1217
9. Chaukiyal, S. P. and Pokhriyal, T. C. (2005). Nitrogen fertilization vis-a-vis nitrate assimilation in different plant parts of Pongamia pinnata Pierre seedlings. Ann. of For. 13 (1): 31-43
10. Evans, H.J. and Nason, A. (1953). Pyridine nucleotide nitrate reductase from extracts of higher plants. Plant Physiology. 28 : 233-254. https://doi.org/10.1104/pp.28.2.233
11. Graham, P.H. and Vance, C.P. (2000). Nitrogen fixation in perspective: an overview of research and extension needs. Field Crop Res. 65 : 93–106. https://doi.org/10.1016/S0378-4290(99)00080-5
12. Hageman, R.H., Long, E.R. and Dudley, J.W. (1967). A biochemical approach to plant breeding. Adv. Agronomy, 19: 45-86. https://doi.org/10.1016/S0065-2113(08)60732-4
13. Klepper, L., Flesher, D. and Hageman, R. H. (1971). Generation of reduced nicotenamide adenine dinucleotide for nitrate reduction in green leaves. Plant Physiology, 48: 580-590. https://doi.org/10.1104/pp.48.5.580
14. Mulvaney, R.L. and Khan, S.A.. (2001). Diffusion methods to determine different forms of nitrogen in soil hydrolysates. Soil Sci. Soci. of America J. 65:1284–1292. https://doi.org/10.2136/sssaj2001.6541284x
15. Nair, T.V.R. and Abrol, Y.P. (1977). Studies of nitrate reducing systems in developing wheat ears. Crop Sci.. 17: 428-442. https://doi.org/10.2135/cropsci1977.0011183X001700030024x
16. Parrotta, J.A. (1987). Albizia procera (Roxb.) Benth. Silvics of Forest Trees of the American Tropics. Rio Piedras, Puerto Rico USA: USDA Forest Service, International Institute of Tropical Forestry
17. Pokhriyal, T.C. and Raturi, A.S. (1984). Nitrate assimilation in leaf blades of Eucalyptus. Indian For. 110 (2): 202-208
18. Pokhriyal, T.C. and Raturi, A.S. (1985). A study of nitrate reductase activity in the Populus deltoides leaves. Indian For. 111 (2): 82-89
19. Pokhriyal, T.C. and (1988). Standardization of nitrate reductase activity in Albizia lebbeck, Acacia nilotica and Dalbergia sissoo. Indian For., 114 (3): Research Notes (I).
20. Potter, L., Angove, H., Richardson, D. and Cole, J. (2001). Nitrate reduction in the periplasm of Gram-negative bacteria. Adv. Microbial Physiology, 45: 51–112. https://doi.org/10.1016/S0065-2911(01)45002-8
21. Rautela, P.S., Semwal, P. and Chaukiyal,S.P. (2013). Nitrate reductase activity in the leaf blade of Castanospermum austral. (Sent for publication in Indian For.).
22. Semwal, P., Rautela, P., and Chaukiyal, S.P. (2013). Nitrate reductase activity in the leaf blade of Grewia optiva (Bhimal) (Sent for publication in Annals of Forestry).
23. Socolow, R.H. (1999). Nitrogen management and the future of food: lessons from the management of energy and carbon. Proc. of the National Academy of Sci. USA 96: 6001–6008. https://doi.org/10.1073/pnas.96.11.6001
24. Stewart, J. L. and Dunsdon, A. L. (2000). The potential of some neotropical Albizia species and close relatives as fodder resources. Agrofor. Systems, 49: 17–30. https://doi.org/10.1023/A:1006326729201
25. Venkataramany, P. (1968). Silvicuture of genus Albizia and species. Silviculture of Indian Trees., No.22.Government of India, Delhi, India