International Journal of Environment and Bioenergy
ISSN: 2165-8951 (online)Search Article(s) by:
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Current Issue: Vol. 9 No. 3or Keyword in Title:
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Table of Content for Vol. 9 No. 3, 2014

Impact of Sugar Mill Effluent on Photosynthetic Pigment Content and Biochemical Constituents Variance of Cluster Bean (Cyamopsis tetragonaloba (L) Taub)
Kaliyamoorthy Jayakumar, Rajesh. M and T.M. Sathees Kannan
      
 PP. 143 - 160
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ABSTRACT: The present study was carried to find out the impact of sugar mill effluent on photosynthetic pigment content and biochemical constituents variance of Cluster Bean (Cyamopsis tetragonaloba (L) Taub). All the photosynthetic Pigment content; such as chlorophyll-a, chlorophyll-b, total chlorophyll, carotenoid content and biochemical constituents, such as, starch, amino acid, protein, reducing and non-reducing sugar content were increased at 10 % sugar mill effluent concentration of cluster bean plants. The above parameters were decreased at higher (25, 50, 75 and 100 %.) concentrations of sugar mill effluents.


Nitrogen and Phosphorus Resorption Efficiency in Some Native Tropical Trees Planted on a Mine Spoil in Singrauli Coalfields, India
Arvind Singh
      
 PP. 161 - 170
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ABSTRACT: A study was conducted to explore the nitrogen and phosphorus resorption efficiencies in eight native tropical trees planted on a mine spoil. Of the eight investigated species Acacia catechu, Albizia lebbeck, Dalbergia sissoo and Pongamia pinnata were represented by leguminous tree species while Azadirachta indica, Gmelina arborea, Tectona grandis and Terminalia bellerica were represented by non-leguminous tree species. All the tree species have shown higher nitrogen and phosphorus resorption efficiencies on nitrogen and phosphorus deficient mine spoil. Non-leguminous species had shown greater efficiency for nitrogen resorption than the leguminous species. However, no such trend emerged for phosphorus resorption efficiency between both groups of plants.


Biomass Energy
Askari Mohammad Bagher
      
 PP. 171 - 195
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ABSTRACT: To many people, the most familiar forms of renewable energy are the wind and the sun. But biomass (plant material and animal waste) is the oldest source of renewable energy, used since our ancestors learned the secret of fire. Until recently, biomass supplied far more renewable electricity or “biopower” than wind and solar power combined (Washington, 2008). If developed properly, biomass can and should supply increasing amounts of biopower. In fact, in numerous analyses of how many countries can transition to a clean energy future, sustainable biomass is a critical renewable resource (Rachel, 2009a). Biomass is a renewable energy source not only because the energy it comes from the sun, but also because biomass can re-grow over a relatively short period of time. Through the process of photosynthesis, chlorophyll in plants captures the sun"s energy by converting carbon dioxide from the air and water from the ground into carbohydrates complex compounds composed of carbon, hydrogen, and oxygen.