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Singh, J. S.
- Survival and Growth Pattern of Three Tropical Forest Plantations Raised on Coal-mine Spoils of Central India
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Indian Forester, Vol 130, No 4 (2004), Pagination: 376-384Abstract
The present paper deals with the height and diameter growth in young plantations of the three native tree species (Albizia lebbek, Albizia procera, Tectona grandis) planted on mine spoil situated in tbe eastern section of Jayant Block of Singrauli coalfield in Madhya Pradesh, India. Highest survival rate was observed in the case of A. procera and the lowest in the case of T. grandis. Maximum specific height growth rate and specific diameter growth rate was exhibited by T. grandis whereas A.lebbek registered the minimum specific rate of increase in height and diameter. Aalysis of mean specific growth rates both for height and diameter indicated a decline with age in all the three species. However, the decline in the specific height and diameter growth rate of T. grandis was faster than in A. lebbek and A. procera.- Influence of Mulching on Plant Growth Performance in Young Plantation Plots on Coal Mine Spoil
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Indian Forester, Vol 127, No 7 (2001), Pagination: 785-787Abstract
Plantation of Dendrocalamus strictus was raised on coal mine spoil at Jayant project, NCL, Singrauli in June 1993. Half and full dose of NPK fertilizer was applied. Full dose of NPK fertilizer was nitrogen as urea (60 kg ha-1), phosphorus as single superphosphate (30 kg ha-1) and potash as muriate of potash (40 kg ha-1). Half dose of NPK treatment increased the height growth more whereas full dose of NPK treatment enhanced markedly the number of culms/clump and diameter growth of D. strictus.- Evaluation of Direct Seeding of Tree Species as a Means of Revegetation of Coal Mine Spoils
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Indian Forester, Vol 126, No 11 (2000), Pagination: 1217-1221Abstract
The feasibility of direct seeding of tree species as a means of revegetating the flat (l.5 ha) and slopy areas (8 ha) of coal mine spoils was tested at Jayant Project, Northern Coal Fields Ltd., Singrauli. Direct seeding of tree species for 3-4 years with seeding of grasses and leguminous forbs is a potentially suitable technique for quick stabilization of flat and slopy areas of coal mine spoils. This technique is also beneficial in increasing the rate of recruitment of naturally colonizing plant species on mine spoils, which will ultimately restore the biodiversity and soil fertility of mine spoils, and will check the soil erosion from mine spoils.- Tree Canopy Development in Young Plantations Raised on Coalmine Spoil Affects the Growth of Herbaceous Vegetation
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Indian Forester, Vol 125, No 3 (1999), Pagination: 305-307Abstract
Pennisetum pedicellatum and Heteropogon contortus grasses were seeded in tree plantation plots on coal mine spoils at Jayant Project, NCL, Singrauli. After three year of raising of plantations the tree canopies affected the growth of seeded grasses. The dense canopy of D. strictus, P. pinnata and L. leucocephala completely eliminated the seeded grasses H. contortus and P. pedicellatum. Under the dense canopy for G. arborea only H. contortus grows well whereas P. pedicellatum was eliminated. Thus to increase the herbaceous plant biodiversity and for the establishment of stable plant communities thinning of plantation plots after 3-4 years is essential, and H. contortus should be preferred in ground seeding compared to P. pedicellatum.- Growth Performance of Certain Directly Seeded Plants on Mine Spoil in a Dry Tropical Environment, India
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Indian Forester, Vol 119, No 11 (1993), Pagination: 920-927Abstract
The growth performance of certain directly seeded leguminous trees, non-leguminous trees, leouminous forbs, grasses and crops were evaluated on 12 yr old flat surface coal mine spoil at Jhingurda Colliery, Northern Coal fields Ltd., Singrauli. Out of thirty plant species tried twenty four species showed satisfactory growth performance after one year of seeding. Cajanus cajon showed better growth performance on mine spoil than fertilized Agriculture Farm plots at Barkachha, Mirzapur. For quick revegetation of mine spoil seeding of plant species is a suitable method.- Nitrogen Release Pattern in Decomposing Oak and Pine Litter in Nainital Hills India
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Indian Forester, Vol 115, No 5 (1989), Pagination: 320-326Abstract
Nitrogen content in decomposing oak and pine leaf litter was investigated for Central Himalayan forests. Leaf litter placed at pine forest site decomposed slowly and that of oak decomposed faster. Release of N was slower in Pinus roxburghii compared to Quercus lanuginosa. However, the magnitude of N immobilization was greater in Pinus roxburghii compared to Quercus lanuginosa. The oak forest favour external cycling, maximising release of N, whereas pine forest favour internal cycling minimizing the loss to the environment.- Succession of Vegetation Types in the Tons Valley of the Garhwal Himalayas
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