Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 24 references without a DOI — listed, not checked
no DOI — not checkedBabcock Institute. (2006). The dairy sector of India: A country study. Babcock institute discussion paper No. 2006-2. Madison, USA: The Babcock Institute for International Dairy Research and Development, University of Wisconsin–Madison.
no DOI — not checkedBeri, V., Sidhu, B. S., Gupta, A. P., Tiwari, R. C., Pareek, R. P., Rupela, O. P., et al. (2003). Organic resources of a part of Indo-gangetic plain and their utilization. NATP. Ludhiana: Dept of soils, PAU.
no DOI — not checkedBirthal, P. S., Taneja, V. K., & Thorpe, W. (2006). Smallholder livestock production in India: Opportunities and challenges. Nairobi, Kenya: NCAP/ICAR/ILRI.
no DOI — not checkedBlummel, M., & Parthasarathy Rao, P. (2006). Economic value of sorghum stover traded as fodder for urban and peri-urban dairy production in Hyderabad, India. International Sorghum and Millets Newsletter, 47, 97–100.
no DOI — not checkedByerlee, D., & Husain, T. (1992). Farming systems of Pakistan: Diagnosing priorities for agricultural research. Islamabad, Pakistan: Vanguard.
no DOI — not checkedDevendra, C., Thomas, D., Jabbar, M. A., & Zerbini, E. (2000). Improvement of livestock production in crop-animal systems in agro-ecological zones of South Asia. Nairobi, Kenya: ILRI.
no DOI — not checkedErenstein, O. (2009). Adoption and impact of conservation agriculture based resource conserving technologies in South Asia. In WCCA (Ed.), Proceedings 4th World Congress on Conservation Agriculture, February 4–7 2009, New Delhi, India (pp. 439–444). WCCA: New Delhi.
no DOI — not checkedErenstein, O., Hellin, J., & Chandna, P. (2007a). Livelihoods, poverty and targeting in the Indo-Gangetic plains: A spatial mapping approach. New Delhi: CIMMYT-RWC.
no DOI — not checkedErenstein, O., Thorpe, W., Singh, J., & Varma, A. (2007b). Crop-livestock interactions and livelihoods in the Indo-Gangetic Plains, India: A regional synthesis. Mexico, DF: CIMMYT.
no DOI — not checkedErenstein, O., Thorpe, W., Singh, J., & Varma, A. (2007c). Crop-livestock interactions and livelihoods in the trans-gangetic plains, India. Research report 10. Nairobi: ILRI.
no DOI — not checkedGupta, P. K., Sahai, S., Singh, N., Dixit, C. K., Singh, D. P., Sharma, C., et al. (2004). Residue burning in rice–wheat cropping system: Causes and implications. Current Science, 87, 1713–1717.
no DOI — not checkedHussain, D. (2009). Border rustling. Himal SouthAsian, 22(2), 56–59.
no DOI — not checkedMcDowell, R. E. (1988). Importance of crop residues for feeding livestock in smallholder farming systems. In J. D. Reed, B. S. Capper, & P. J. H. Neate (Eds.), Plant breeding and the nutritive value of crop residues. Addis Ababa: ILCA.
no DOI — not checkedMillennium Ecosystem Assessment. (2005). Ecosystems and human well-being: Synthesis. Washington, DC: Island Press.
no DOI — not checkedParthasarathy Rao, P., & Birthal, P. S. (2008). Livestock in mixed farming systems in South Asia. New Delhi & Patancheru, India: NCAP/ICRISAT.
no DOI — not checkedPearce, G. R., Lee, J. A., Simpson, R. J., & Doyle, P. T. (1988). Sources of variation in the nutritive value of wheat and rice straws. In J. D. Reed, B. S. Capper, & P. J. H. Neate (Eds.), Plant breeding and the nutritive value of crop residues. Addis Ababa: ILCA.
no DOI — not checkedRangnekar, D. V. (2006). Livestock in the livelihoods of the underprivileged communities in India: A review. Nairobi, Kenya: ILRI.
no DOI — not checkedSeth, A., Fischer, K., Anderson, J., & Jha, D. (2003). The rice–wheat consortium: An institutional innovation in international agricultural research on the rice–wheat cropping systems of the Indo-Gangetic plains (IGP). New Delhi: The Review Panel Report. RWC.
no DOI — not checkedSidhu, B. S., Rupela, O. P., Beri, V., & Joshi, P. K. (1998). Sustainability implications of burning rice- and wheat-straw in Punjab. Economic & Political Weekly, 33, 163–168.
no DOI — not checkedSingh, J., Erenstein, O., Thorpe, W., & Varma, A. (2007). Crop–livestock interactions and livelihoods in the Gangetic plains of Uttar Pradesh, India. Research report 11. Nairobi: ILRI.
no DOI — not checkedSingh, J., & Grewal, S. S. (1990). Socio-economic profile of migrant Gujjars in Punjab. PAU, Ludhiana: Department of Economics & Sociology.
no DOI — not checkedThorpe, W., Erenstein, O., Singh, J., & Varma, A. (2007). Crop-livestock interactions and livelihoods in the Gangetic plains of Bihar, India. Research report 12. Nairobi: ILRI.
no DOI — not checkedVarma, A., Erenstein, O., Thorpe, W., & Singh, J. (2007). Crop-livestock interactions and livelihoods in the Gangetic plains of West Bengal, India. Research report 13. Nairobi: ILRI.
no DOI — not checkedYadav, K. K., Lohan, O. P., Rathee, C. S., & Berwal, R. S. (1994). Effect of replacement of wheat straw with paddy straw feeding on milk yield and composition in buffaloes. Indian Journal of Dairy Science, 47(9), 796–798.
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