Land References
· Brar, M.S., Malhi, S.S., Singh, A.P., Arora, C.L. and Gill, K.S.
2000. Effect of sewage effluent on heavy metal content in light textured
soils of
Punjab. Canadian J. Soil Sci. 80: 461-465.
·
Geography of
Punjab
by Manku, D. S. (2002).
· Kukal, S.S., Sur, H.S. and Gill, S.S. (2007). Factors responsible
for soil erosion hazard in sub-mountain
Punjab,
India, Soil use and management 7 (1): 38-44.
· Lang, Susan S. (March
20, 2006). 'Slow, insidious' soil erosion threatens human health and
welfare as well as the environment, Cornell study asserts as cited on
www.chronicalonline.com
· Manku, D. S. (2002). In: Geography of
Punjab,
Kalyani Publishers, Ludhiana.
· Tiwana,
N.S. and Jerath, N. (1998): Soil Pollution. Source Book on Environmental
Issues in Technical Education. Ed. Jearth, N. Published by Punjab State
Council for Science and Technology,
Chandigarh,
Pp. 22-231.
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