1. Ahmed, O.H.
,
Husin, A.
and
Hanif, A.
(2008), “Ammonia volatilization and ammonium accumulation from urea mixed with zeolite and triple superphosphate”,
Acta Agriculturae Scandinavica Section B – Soil and Plant Science
, Vol 58 No. 2, pp. 182-186.
2. American College and University Presidents Climate Commitment
(2010), available at: http://acupcc.aashe.org/ (accessed 28 February 2011).
3. IPCC
(2010),
Assessment Report of the Intergovernmental Panel on Climate Change (IPCC)
, Cambridge University Press, Cambridge, UK.
4. Baligar, V.C.
and
Bennett, O.L.
(1986), “Outlook on fertilizer use efficiency in the tropics”,
Fertilizer Research
, Vol. 10 No. 1, pp. 83-96.
5. Betsill, M.M.
(2001), “Mitigating climate change in US cities: opportunities and obstacles”,
Local Environment
, Vol. 6 No. 4, pp. 393-406.