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Rai, A. M.
- Significance of Tree Crown Diameter in Forest Mensuration
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Indian Forester, Vol 124, No 12 (1998), Pagination: 1001-1009Abstract
Mean crown diameter showed significant correlation with mean tree volume in man-made (Teak and Sal) and natural (dry and moist deciduous) forests. The value of correlation coefficient ("r") between mean crown diameter and mean tree volume was close to the value of "r" between DBH and mean tree volume. Regression equations were also developed and the predictive performance of the equations evaluated. It was concluded that mean crown diameter may be used to estimate mean tree vol ume in the above type of forests, as the growth of the tree is also reflected in the growth of the crown spread. Hence, it may be a good measure to estimate tree volume. It is therefore suggested that mean crown diameter may also be considered an important parameter in forest mensuration.- Biological Method of Flyash Stabilisation through Afforestation on Ash Dump Yards near Thermal Power Station, Panki (Kanpur)
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Indian Forester, Vol 121, No 2 (1995), Pagination: 81-87Abstract
Rehabilitation offlyash dump yards through biological means has been tried at Panki Thermal Power Station, Kanpur. Ten tree species (Six nitrogen fixing and four non-nitrogen fixing) were tried under treated (50% soil of the pits replaced with normal soil and 2.0 kg of Farm Yard Manure + 150 gms of DAP) and untreated (control) conditions. Survival per cent, height and diameter were recorded every year. The results obtained in the third year show that the top performing species Udder treated conditions are Leucaena leucocephala, Acacia nilotica, Albizia lebbek and Pithecolobium dulce. The overall best performer under treatment was Leucaena leucocephala and without any treatment (Control) was Acacia nilotica. The top four performers under these two conditions happen to be nitrogen fixing. Therefore, it is suggested to rehabilitate the flyash dump yards with such type of nitrogen fixing tree species. It is further suggested to try more nitrogen fixing tree species so as to broaden the generalisation made in the present study.- Role of Emerging Technologies for Conservation of Biodiversity
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