1. Alain, R., Paula, F., Jacques, A., and Robert, H. 2012. Plant species diversity for sustainable management of crop pests and diseases in agroecosystems: a review. Agronomy for Sustainable Development 32(1): 273-303.
2. Altieri, M.A. 1999. The ecological role of biodiversity in agroecosystems. Journal of Agriculture, Ecosystems and Environment 74: 19-31
3. Asman, K., Ekbom, B., and Ramert, B. 2001. Effect of intercropping on oviposition and emigration of the leek moth (Lepidoptera: Acroplepiidae) and the diamondback moth (Lepidoptera: Plutellidae). Environmental Entomology 30: 288–294.
4. Altieri, M.A. 1999. The ecological role of biodiversity in agroecosystems. Journal of Agriculture, Ecosystems and Environment 74: 19-31.
5. Bajwa, M.A. 1995. wheat research and production in Pakistan. In: Wheat for more tropical environments. Villarel, L. (Ed.). Proceedings of an International symposium CIMMIT, Mexico, pp. 68-72.
6. Brookfield, H., and Stocking, M. 1999. Agro diversity: definition, description and design. Journal of Global Environmental Change 9: 77-80.
7. Buckland, S.T., Magurran, A.E., Green, R.E., and Fewster, R.M. 2005. Monitoring change in biodiversity through composite indices. Philosophical Transactions of the Royal Society B 360: 243–254.
8. DiFalco, S., and Perrings, C. 2003. Crop genetic diversity, productivity and stability of agroecosystems. A theoretical and empirical investigation. Scottish Journal of Political Economy 50: 207–216.
9. Di Falco, S., and Chavas, J. 2008. Rainfall shocks, resilience and the effects of crop biodiversity on agroecosystem productivity. Land Economics 84(1): 83–96.
10. Lamb, E.G., Bayne, E., Holloway, G., Schieck, J., Boutin, S., Herbers, J., and Haughland, D.L. 2009. Indices for monitoring biodiversity change: Are some more effective than others? Ecological Indicators 9: 432–444.
11. Finckh, M.T., and darpenstein-Machan, M. 2002. Intercropping for Pest Management Encyclopedia of Pest Management. http:// www. Informaworld.com
12. Griffiths-GJK, Holland, J.M., Bailey, A., and Thomas, M.B. 2008. Efficacy and economics of shelter habitats for conservation biological control. Biological Control 45: 200–209.
13. Helenius, J. 1998. Enhancement of predation through within-field diversification. In: Pickett, E., and Bugg, R.L. (Eds.). Enhancing biological control. University of California Press, Berkeley, CA, USA, pp. 121–160.
14. Jackson, L.E., Pascual, U., and hodgkin, T. 2007. Utilizing and conserving agrobiodiversity in agricultural landscapes. Journal of Agriculture, Ecosystems and Environment 121: 196.
15. Jones, G., and Sieving, K.E. 2006. Intercropping sunflower in organic vegetables to augment bird predatorsn of arthropods. Agriculture, Ecosystems and Environment 117:171–177.
16. Kirit, K.P. 2008. Cultivating diversity on farm: agrobiodiversity in a tribal region of western India. PhD Thesis, India. 446 pp.
17. Koocheki, A. Nassiri Mahllati, M.R., Asgharipoor, M., and Khodashenas, A. 2003. Biodiversity of fruits and vegetables in Iran. Iranian Journal of Field Crops Research 2: 80-86. (In Persian woth English Summary)
18. Koocheki, A., Nassiri Mahllati, M., Zarea Fizabadi, A., and Jahanbin, G. 2004. Diversity of cropping systems in Iran. Pajouhesh and Sazandegi 63: 70-83. (In Persian woth English Summary)
19. Koocheki, A., Nassiri, M., Glissman, S.R., and Zarea, A. 2008. Agrobiodiversity of field crops: A case study for Iran. Journal of Sustainable Agriculture 32(1): 95-122.
20. Long, J., Cromwell, E., and Gold, K. 2000. On-farm management of crop diversity: an introductory bibliography. The Schumacher Center for Technology and Development. Http:// www.oneworld.org/odi/
21. Lopez, B., Montes, C., and Benayas, J. 2007. The non-economic motives behind the willingness to pay for biodiversity conservation. Biological Conservation 139: 67–82.
22. Loreau, M., Naeem, S., Inchausti, P., Bengtsson, J., Grime, J.P., Hector, A., Hooper, D.U., Huston, M.A., Raffaeli, D., Schmid, B., Tilman, D., and Wardle, D.A. 2002. Biodiversity and ecosystem functioning: Current knowledge and future challenges. Science 294: 804–808.
23. Malezieux, E., Crozat, Y., Dupraz, C., Laurans, M., Makowski, D., Ozier-Lafontaine, H., Rapidel, B., de Tourdonnet, S., and Valantin-Morison, M. 2009. Mixing plant species in cropping systems: concepts, tools and models: a review. Agronomy for Sustainable Development 29: 43–62.
24. Margalef, R.D. 1958. Information theory in ecology. General Systems 3: 36–71.
25. Nassiri, M., Koocheki, A., and Mazaheri, D. 2005. Diversity of crop species in Iran. Desert 10(1): 33-50. Nielsen, S.E., Bayne, E.M., Schieck, J., Herbers, J., and Boutin, S. 2007. A new method to estimate species and biodiversity intactness using empirically derived reference conditions. Biological Conservation 137: 403–414.
26. Omer, A., Pascual, U., and Russell, N.P. 2007. Biodiversity conservation and productivity in intensive agricultural systems. Journal of Agricultural Economics 58: 308–329.
27. Pimentel, D.A., Stachow, U., Takacs, D.A., Brubaker, H.W., Dumas, A.R., Meaney, J.J., Oneil., J.A.S., Onsi., D.E., and Corzilius, D.B. 1992. Conserving biological diversity in agricultural and forestry systems. Journal of BioScience 42: 354-364.
28. Pimentel, D., Wilson, C., Maccullum, C., Huang, R., Dwen, P., Flack, J., Tran, Q., Saltman, T., and Cliff, B. 1997. Economic and environmental benefits of biodiversity. Journal of Bioscience 47: 747-757.
29. Smale, M., Hartell, J., Heisey, P.W., and Senauer, B. 1998. The contribution of geneticresources and diversity to wheat production in the Punjab of Pakistan. American Journal of Agricultural Economics 80(3): 482-493.
30. Smith, J., Potts, S.G., Woodcock, B.A., and Eggleton, P. 2008. Can arable field argins be managed to enhance their biodiversity, conservation and functional value for soil macrofauna? Journal of Applied Ecology 45: 269-278.
31. Smith, A.K., Chewings, V.H., Bastin, G.N., Ferrier, S., Manion, G., and Clifford, B. 2004. Integrating historical datasets to priorities areas for biodiversity monitoring? In: Australian Rangelands Society 13th Biennial Conference: “Living in the outback”, Alice Springs, Northern Territory.
32. Vandermeer, J., Van Noordwijk, M., Anderson, J., and Ong, C. 1998. Global change and multi-species agroecosystems: Concepts and issues. Journal of Agriculture, Ecosystems and Environment 67: 1-22.
33. Vandermeer, J., Perfecto, I., and Liere, H. 2009. Evidence for hyperparasitism of coffee rust (Hemileia vastatrix) by the entomogenous fungus, Lecanicillium lecanii, through a complex ecological web. Plant Pathology 58: 636–641.