1. Abrol I, Nambiar K (1997) Fertility management of Indian soils-A historical perspective. Adv Geoecology 29:293–310
2. Alexandratos N, Bruinsma J (2012) World agriculture towards 2030/2050: the 2012 revision. FAO, Rome
3. Annonymos (1959) The Sub-continent of South Asia: Afganistan, Cylon, Indian, Nepal, Pakistan. In: Affairs BoP (ed) US Department of State Publication No 6839, Near and Middle East Series 41, vol 41. Uinited State Department of State Bulletin-Nepal, Washington DC, pp 48–62
4. Baveye P, Jacobson AR, Allaire SE, Tandarich JP, Bryant RB (2006) Whither goes Soil Science in the United States and Canada? Soil Sci 171:501–5188
5. Blume HP (2014) Die Wurzeln der Bodenkunde. In: Handbuch der Bodenkunde, pp 1–32