Ahmad, M. D., Turral, H., Masih, I., Giordano, M. and Masood, Z. (2007). Water saving technologies: Myths and realities revealed in Pakistan's rice-wheat systems. IWMI Research Report 108. Colombo, Sri Lanka: International Water Management Institute.
Byerlee, D., Ali, M. and Siddiq, A. (2003). Sustainability of the rice-wheat system in Pakistan's Punjab: how large is the problem? In Improving the Productivity and Sustainability of Rice-Wheat Systems: Issues and Impacts, ASA Special Publication Number 65, 96–96 (Eds Ladha, J. K., Hill, J. E., Duxbury, J. M., Gupta, R. K. and Buresh, R. J.). Madison, Wisconsin, USA: ASA-CSSA-SSSA.
CIMMYT (1993). The Adoption of Agricultural Technology: A Guide for Survey Design. Economics Program. Mexico, D.F.: CIMMYT.
Erenstein, O., Farooq, U., Malik, R. K. and Sharif, M. (2007a). Adoption and impacts of zero tillage as a resource conserving technology in the irrigated plains of South Asia. Comprehensive Assessment of Water Management in Agriculture – Research Report 19. Colombo, Sri Lanka: IWMI.
Erenstein, O., Farooq, U., Malik, R. K. and Sharif, M. (2008). On-farm impacts of zero tillage wheat in South Asia's rice-wheat systems. Field Crops Research 105: 240–252.
Erenstein, O., Malik, R. K. and Singh, S. (2007b). Adoption and impacts of zero tillage in the irrigated rice-wheat systems of Haryana, India. Research Report. New Delhi, India: CIMMYT and RWC. (available online at http://www.rwc.cgiar.org/Pub_Info.asp?ID=187, accessed November 6, 2008)
Erenstein, O. and Farooq, U. (2008). A Cross-border Analysis of Rice-Wheat Systems in the Irrigated Plains of South Asia. New Delhi: CIMMYT.
Erenstein, O. and Laxmi, V. (2008). Zero tillage impacts in India's rice-wheat systems: A review. Soil and Tillage Research 100: 1–14.
Erenstein, O., Thorpe, W., Singh, J. and Varma, A. (2007c). Crop-livestock interactions and livelihoods in the Indo-Gangetic Plains, India: A regional synthesis. Crop-livestock Interactions Scoping Study – Synthesis. New Delhi, India: CIMMYT-ILRI-RWC.
Farooq, U., Sharif, M. and Erenstein, O. (2007). Adoption and impacts of zero tillage in the rice-wheat zone of irrigated Punjab, Pakistan. Research Report. New Delhi, India: CIMMYT and RWC. (available online at http://www.rwc.cgiar.org/Pub_Info.asp?ID=188, accessed November 6, 2008)
Feder, G., Just, R. E. and Zilberman, D. (1985). Adoption of agricultural innovations in developing countries: A survey. Economic Development and Cultural Change 33: 255–298.
Franke, A. C., McRoberts, N., Marshall, G., Malik, R. K., Singh, S. and Nehra, A. S. (2003). A survey of Phalaris minor in the Indian rice-wheat system. Experimental Agriculture 39: 253–265.
Gupta, R. and Sayre, K. (2007). Conservation agriculture in South Asia. Journal of Agricultural Science 145: 207–214.
Hobbs, P. R. and Gupta, R. K. (2003). Resource-conserving technologies for wheat in the rice-wheat System. In Improving the Productivity and Sustainability of Rice-Wheat Systems: Issues and Impacts, ASA Special Publication Number 65, 172–172 (Eds Ladha, J. K., Hill, J. E., Duxbury, J. M., Gupta, R. K. and Buresh, R. J.). Madison, Wisconsin, USA: ASA-CSSA-SSSA.
Jehangir, W. A., Masih, I., Ahmed, S., Gill, M. A., Ahmad, M., Mann, R. A., Chaudhary, M. R. and Turral, H. (2007). Sustaining crop water productivity in rice-wheat systems of South Asia: A case study from Punjab Pakistan. IWMI Working Paper 115. Colombo, Sri Lanka: International Water Management Institute.
Kumar, P., Jha, D., Kumar, A., Chaudhary, M. K., Grover, R. K., Singh, R. K., Singh, R. K. P., Mitra, A., Joshi, P. K., Singh, A., Badal, P. S., Mittal, S. and Ali, J. (2002). Economic analysis of total factor productivity of crop sector in Indo-Gangetic Plain of India by district and region. Agricultural Economics Research Report 2. New Delhi, India: Indian Agricultural Research Institute.
Laxmi, V., Erenstein, O. and Gupta, R. K. (2007). Impact of Zero Tillage in India's Rice-Wheat Systems. New Delhi: CIMMYT and RWC.
Malik, R. K., Gupta, R. K., Singh, C. M., Yadav, A., Brar, S. S., Thakur, T. C., Singh, S. S., Singh, A. K., Singh, R. and Sinha, R. K. (2005). Accelerating the Adoption of Resource Conservation Technologies in Rice-Wheat System of the Indo-Gangetic Plains, Proceedings of the Project Workshop June 1–2, 2005. Hisar, Haryana, India: Directorate of Extension Education, CCS HAU.
Ortiz-Monasterio, J. I., Dhillon, S. S. and Fischer, R. A. (1994). Date of sowing effects on grain yield and yield components of irrigated spring wheat cultivars and relationships with radiation and temperature in Ludhiana, India. Field Crops Research 37: 169–184.
Tahir, M. A. and Younas, M. (2004). Feasibility of dry sowing technology of wheat in cotton growing districts and impact evaluation of zero tillage technology in rice growing districts. Publication No. 364. Lahore: Punjab Economic Research Institute (PERI).
Timsina, J. and Connor, D. J. (2001). Productivity and management of rice-wheat cropping systems: issues and challenges. Field Crops Research 69: 93–132.