Values and Services of Nitrogen-Fixing Alder Based Cardamom Agroforestry Systems in the Eastern Himalayas - Smallholder Tree Growing for Rural Development and Environmental Services - page 392

Sharma R and Purohit AN (1996) Seedling growth and nitrogenase activity of Alnus and Albizia
in Sikkim. Journal of Hill Research 9(2): 233-241
Sharma R, Sharma E and Purohit AN (1997) Cardamom, mandarin and nitrogen fixing trees in
agroforestry systems in India's Himalayan Region. I. Litterfall and decomposition. Agroforestry
Systems 35(3): 239-253
Sharma R, Sharma G and Sharma E (2002) Energy efficiency of large cardamom grown under
Himalayan alder and natural forest. Agroforestry Systems 56(3): 233-239
Smith NJ (1977) Estimates of Aboveground Biomass, Net Primary Production and Energy Flows
in 8 to 10 year Old Red Alder ( Alnus rubra Bong.) Ecosystems. Master of Forestry thesis, The
University of British Columbia, Canada
Srinivasa HS (2006) Large Cardamom Cultivation in India. Spices Board, Regional Office,
Gangtok, Sikkim, India
Sundriyal RC, Sharma E, Rai LK and Rai SC (1994) Tree structure, regeneration and woody
biomass removal in a sub-tropical forest of Mamlay Watershed in the Sikkim Himalaya.
Vegetatio 113: 53-63