Agriculture Reference
In-Depth Information
Sherchan, D.P., C.J. Pilbeam, and P.J. Gregory. 1999. Response of wheat-rice and maize/mil-
let systems to fertilizer and manure applications in the mid-hills of Nepal.
Experimental
Agriculture
35:1-13.
Sohi, S.P. 2012. Carbon storage with benefits.
Science
338:1034-1035. Published online by
AAAS,
http://www.sciencemag.org/cgi/collection/ecology,
accessed January 10, 2013.
Sombroek, W.G., F.O. Nachtergaele, and A. Hebel. 1993. Amounts, dynamics and sequester-
ing of carbon in tropical and subtropical soils.
Ambio
22:417-426.
Tacio, H.D. 1993. Sloping agricultural land technology: A sustainable agroforestry scheme for
the uplands.
Agroforestry Systems
22(2):145-152.
Thapa, G.B., and G.S. Paudel. 2002. Farmland degradation in the mountains of Nepal: A
study of watershed 'with' and 'without' external interventions.
Land Degradation and
Development
13:479-493.
The Royal Society. 2009.
Reaping the Benefits: Science and the Sustainable Intensification of
Global Agriculture
. Royal Society, London, 72 pp.
Thomas, W.L., C.O. Sauer, M. Bates, and L. Mumford (eds.). 1956.
Man's Role in Changing
the Face of the Earth
. Chicago University Press, Chicago, IL.
Thorne, P.J., and J.C. Tanner. 2002. Livestock and nutrient cycling in crop-animal systems in
Asia.
Agricultural Systems
71:111-126.
Tilman, D., C. Balze, J. Hill, and B.L. Befort. 2011. Global food demand and the sustainable
intensification of agriculture.
PNAS
108(50):20260-20264.
Tiwari, K.R., B.K. Sitaula, R.M. Bajracharya, and T. Borresen. 2009. Effects of soil and crop
management practices on yields, income and nutrient losses from upland farming systems
in the Middle Mountains region of Nepal.
Nutrient Cycling in Agroecosystems
86:241-
253. Published online,
http://link.springer.com/article/10.1007/s10705-009-9289-0.
Tripathi, B.P., and J.K. Tuladhar. 2000. Sustaining wheat productivity and maintaining soil
fertility in maize-wheat system.
Nepal Agriculture Research Journal
4:31-36.
Tripathi, J., A.P. Regmi, M.R. Bhatta, U. Adhikari, and N. Shakya. 2005. Zero Tillage: A
Resource Conserving Technology. NARDF 233/2004/05. Nepal Agric. Res. Council,
National Wheat Crop Research Program. Bhairahwa, Rupandei, Nepal, 26 pp.
Turner, B.L., and A.M. Shajaat Ali. 1996. Induced intensification: Agricultural change in
Bangladesh with implications for Malthus and Boserup.
Proceedings of the National
Academy of Sciences of the United States of America
96:14984-14991.
Wan, S., and Y. Kang. 2006. Influence of drip-irrigation frequency on radish (
Raphanus sati-
vus
L.) growth and water use.
Irrigation Science
24:161-174.
West, P.C., H.K. Gibbs, C. Monfreda et al. 2010. Trading carbon for food: Global comparison
of carbon stocks vs. crop yields on agricultural land.
PNAS
107(46):19645-19648.
Xu Y., W. Chen, and Q. Shen. 2007. Soil organic carbon and nitrogen pools impacted by
long-term tillage and fertilization practices.
Communications in Soil Science and Plant
Analysis
38:347-357.
Zhu, B., M. Gao, G. Liu, J. Zhang, S. Chen, and X. Zhang. 2002. Soil degradation and soil
productivity restoration and maintenance in hilly land of southern China.
Archives of
Agronomy and Soil Science
48:311-318.