Aulakh MS, Singh B (1997) Nitrogen losses and fertilizer N use efficiency in irrigated porous soils. Nutr Cycl Agroecosys 7:1–16
Google Scholar
Banerjee B, Pathak H, Aggarwal PK (2002) Effects of dicyandiamide, farmyard manure and irrigation on ammonia volatilization from an alluvial soil in rice (Oryza sativa L.)-wheat (Triticum aestivum L.) cropping system. Biol Fertil Soils 36:207–214
Article
CAS
Google Scholar
Bhatia A, Pathak H, Aggarwal PK (2004) Inventory of methane and nitrous oxide emissions from agricultural soils of India and their global warming potential. Curr Sci 87(3):317–324
CAS
Google Scholar
DES (1998) Directorate of Economics and Statistics, Govt. of India, New Delhi, India
Dobermann A, Fairhurst T (2000) Rice: nutrient disorders and nutrient management. International Rice Research Institute, The Philippines
Google Scholar
FAI (2000–2007) Fertilizer statistics. Fertilizer Association of India, New Delhi
Frolking S, Yeluripati JB, Douglas E (2006) New district-level maps of rice cropping in India: a foundation for scientific input into policy assessment. Field Crops Res 98:164–177
Article
Google Scholar
IPCC (Intergovernmental Panel on Climate Change) (2006) Guidelines for national greenhouse gas inventories, IGES, Japan (www.ipcc.ch)
Jain MC, Kumar S (1995) Recycling of animal wastes in agriculture. In: Tandon HLS (ed) Recycling of crop, animal, human and industrial wastes in agriculture. Fertilizer Development and Consultation Organization, New Delhi, India, pp 50–67
Google Scholar
Joshi PK, Acharya SS, Chand R, Anjani K (2009) Agricultural sector: status and performance. In: Rai M (ed) State of Indian agriculture. National Academy of Agricultural Sciences, New Delhi, pp 1–34
Google Scholar
Krishna Prasad V, Badarinath KVS (2006) Soil surface nitrogen losses from agriculture in India: a regional inventory within agroecological zones (2000–2001). Inter J Sustain Dev 13:173–182
Google Scholar
Krishna Prasad V, Badarinath KVS, Yonemura S, Tsuruta H (2004) Regional inventory of soil surface nitrogen balances in Indian agriculture (2000–2001). J Environ Manage 73:209–218
Article
PubMed
Google Scholar
Ladha JK, Dawe D, Pathak H, Padre AT, Yadav RL, Singh B, Singh Y, Singh P, Kundu AL, Sakal R, Ram N, Regmi AP, Gami SK, Bhandari AL, Amin R, Yadav CR, Bhattarai EM, Das S, Aggarwal HP, Gupta RK, Hobbs PR (2003) How extensive are yield declines in long-term rice-wheat experiments in Asia? Field Crops Res 81:159–180
Article
Google Scholar
Ladha JK, Pathak H, Krupnik TJ, Six J, van Kessel C (2005) Efficiency of fertilizer nitrogen in cereal production: retrospect and prospects. Adv Agron 87:85–156
Article
CAS
Google Scholar
Lesschen JP, Stoorvogel JJ, Smaling EMA, Heuvelink GBM, Veldkamp A (2007) A spatially explicit methodology to quantify soil nutrient balances and their uncertainties at the national level. Nutrient Cycl Agroecosys 78:111–131
Article
Google Scholar
Motsara MR, Bhattacharya P, Srivastava V (1995) Bio-fertilizer technology, marketing and uses. FDCO, New Delhi
Google Scholar
Murugan AV, Dadhwal VK (2007) Indian agriculture and nitrogen cycle. In: Abrol YP, Raghuram N, Sachdev MS (eds) Agricultural nitrogen use, its environmental implications. IK International Publishing House Pvt. Ltd, New Delhi, pp 9–28
Google Scholar
Panda D, Samantaray RN, Misra AK, Senapati HK (2007) Nutrient balance in rice. Indian J Fertil 3:33–38
CAS
Google Scholar
Parashar DC, Kulshreshtha UC, Sharma C (1998) Anthropogenic emissions of NOx, NH3 and N2O in India. Nutr Cycl Agroecosys 52:255–259
Article
CAS
Google Scholar
Paroda RS, Kumar P (2000) Food production and demand situations in South Asia. Agric Econ Res Rev 13(1):1–24
Google Scholar
Pathak H, Aggarwal PK, Roetter R, Kalra N, Bandyopadhaya SK, Prasad S, Van Keulen H (2003) Modelling the quantitative evaluation of soil nutrient supply, nutrient use efficiency, and fertilizer requirements of wheat in India. Nutr Cycl Agroecosys 65(2):105–113
Article
CAS
Google Scholar
Pathak H, Li CS, Wassmann R (2005) Greenhouse gas emissions from Indian rice fields: calibration and upscaling using the DNDC model. Biogeosciences 2:113–123
CAS
Article
Google Scholar
Pathak H, Li C, Wassmann R, Ladha JK (2006a) Simulation of nitrogen balance in the rice-wheat systems of the Indo-Gangetic plains. Soil Sci Soc Am J 70:1612–1622
Article
CAS
Google Scholar
Pathak H, Singh R, Bhatia A, Jain N (2006b) Recycling of rice straw to improve crop yield and soil fertility and reduce atmospheric pollution. Paddy Water Environ 4:111–117
Article
Google Scholar
Planning Commission, India (1998) Agro-climatic regional planning unit., 1998. ARPU Working Paper No. 19, August 1998. Agro-climatic regional planning. Recent developments. Planning Commission of India, New Delhi
Rastogi N, Sarin M (2006) Atmospheric abundances of nitrogen species in rain and aerosols over a semi-arid region, sources and deposition fluxes. Aerosol Air Quality Res 64:406–417
Google Scholar
Regmi AP, Ladha JK, Pathak H, Pasuquin E, Dawe D, Hobbs PR, Joshy D, Maskey SL, Pandey SP (2002) Analyses of yield and soil fertility trends in a 20-year rice–rice–wheat experiment in Nepal. Soil Sci Soc Am J 66:857–867
CAS
Google Scholar
Sheldrick W, Syers JK, Lingard JA (2002) Conceptual model for conducting nutrient audits at national, regional and global scales. Nutr Cycl Agroecosys 62:61–72
Article
CAS
Google Scholar
Smaling EMA, Fresco LO (1993) A decision support model for monitoring nutrient balances under agricultural land use, NUTMON. Geoderma 60:235–256
Article
Google Scholar
Statistical Abstract of Haryana (1999) Economic and statistical organization, planning department, Government of Haryana, India
Subrian P, Annadurai K, Palaniappan SP (2000) Agriculture facts and figures. Kalyani Publishers, New Delhi, pp 133–134
Google Scholar
TERI (2001) Energy data directory and year book, 2000–01. The Energy and Resources Institute (TERI), New Delhi
Google Scholar
Tiwari KN (2003) India’s soil and crop need for potassium. Better Crops Inter 17:26–29
Google Scholar
Witt C, Dobermann A, Abdulrachman S, Gines HC, Guanghuo W, Nagarajan R, Satawathananont S, Son TT, Tan PS, Van Le T, Simbahan G, Olk DC (1999) Internal nutrient efficiencies in irrigated lowland rice of tropical and subtropical Asia. Field Crops Res 63:113–138
Article
Google Scholar
World Bank (2003) India: sustaining reform, reducing poverty. World Bank, Washington DC
Google Scholar