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Thakur, N. S.
- Performance of Clonal Eucalyptus in Different Agroclimatic Zones of Punjab, India
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Indian Forester, Vol 135, No 11 (2009), Pagination: 1455-1464Abstract
Three experiments were laid at Forest Divisions, Ludhiana (Baddowal, site-I), Gurdaspur (site-II) and Tarn-Taran (site-III) to estimate the productivity of Bhadrachalam Eucalyptus clones. The data was also collected from different private farms. At Ludhiana, clone 413 gave the maximum MAI (mean annual increment) of 28.80 m3/ha/year, over bark and 23.49 m3/ha/year, under bark, at an age of 3 years. The clone 526 performed better at Gurdaspur with maximum MAI (productivity) of 21.15 m3/ha/year, over bark and 17.25 m3/ha/year, under bark. Whereas, at Amritsar, clone 413 was most productive with MAI of 36.07 m3/ha/year, over bark and 29.42, m3/ha/year, under bark, at the age of 2.5 years. The present study revealed that the clone 413 gave outstanding productivity over bark ranging from 28.80 m3 to 36.07 m3/ha/year. However clones like 526, 2045, 2070, and 285 also performed well. The analysis of data from private farms revealed that clone 288 gave MAI of 48.79 m3/ha/year over bark, followed by clone 316 with MAI to the tune of 33.70 m3/ha/year (Private farm at Hoshiarpur) at the age of 4 and 5 years, respectively. Though other clones under study had less productivity nevertheless their productivity was significantly higher than seed route plants. The clonal Eucalyptus gave 2 to 6 times more volume per hectare as compared to the seed origin plants. However, the growth and productivity of clones 407 (Site-III) and 72 (Site-II and III) was at par to the seed route plants, hence should not be recommended for plantations.Keywords
Eucalyptus, Clones, Volume, Mean Annual Increment, Productivity, Punjab
- Impact of Exceptionally High Rain and Snowfall on Chir Pine Plantations in Chamba District of Himachal Pradesh
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Indian Forester, Vol 135, No 12 (2009), Pagination: 1737-1742Abstract
No abstract- Allelopathic Effect of Leaf Leachates of Pinus roxburghii Sargent on Seeds of some Grasses
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Indian Forester, Vol 133, No 7 (2007), Pagination: 997-1000Abstract
No abstract- Effect of Irrigation and Chemical Fertilizer on Growth and Productivity of Teak (Tectona grandis L.) in Punjab
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Indian Forester, Vol 137, No 12 (2011), Pagination: 1357-1362Abstract
An experiment was conducted in July, 2005 at Kharkan Research Station, Hoshiarpur to find out the effect of irrigation regimes viz., no irrigation (I0), irrigation after 10 days (I10), irrigation after 20 days (I20) and irrigation after 30 days (I30), and fertilizer (Urea) doses viz., no fertilizer (F0), 50 g/tree in July (F1), 25 g two times during July and August (F2), 16 g three times during July, August and September (F3), 100 g in July (F4), 50 g two times during July and august (F5), 33.3 g three times during July, August and September (F6), 150 g in July (F7), 75 g two times during July and August (F8) and 50 g urea/tree, three times during July, August and September (F9). Fertilizer dose in the 8 9 second and third year was increased by 50 per cent to the quantity applied during previous year. During first year irrigation regimes had no significant effect on collar girth and height of teak, however, fertilizer dose of 33.3 g Urea/tree, three times in July, August and September, gave maximum collar girth (2.43 cm). The interaction, 33.3 g Urea/tree and no irrigation gave higher collar girth (2.89 cm) and tree height (1.13 m), up to the age one year. Summarized results indicate that irrigation regime I10 for first and second year and I20 during third year were better for growth of teak trees. The fertilizer dose 33.3 g applied three times, during July, August and September, every year resulted in higher diameter and height growth and hence the maximum volume and MAI.- People's Participation in Forest Management
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Indian Forester, Vol 137, No 8a (2011), Pagination: 70-75Abstract
The effective and meaningful involvement of local communities has been attempted under the Joint Forest Management System in India by linking socia-economic incentives and forest development. Now it is realized that, true participation may lead to more effective conservation of forest resources. Based on the information from States as of March 2006, 106,482 committees are protecting 22.01 million ha of forests. People's participation in forest management brought some of the positive changes like Change in attitude and relationship, improvement in the condition of the forest, reduction in encroachment rate, increase in the income, etc. Effort should be made to reduce the conflicts and need to plan forthe long future.Keywords
Socio-economic Incentives, Forest Development, Local Communities, Forest Resources. Conflicts And Constraints- Growth Performance of Twelve New Clones of Populus deltoides in Punjab, India
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Indian Forester, Vol 138, No 12 (2012), Pagination: 1077-1080Abstract
Height, diameter growth and volume production of 12 clones of poplar were evaluated at Kharkan Research Station Hoshiarpur, Research Circle Hoshiarpur, Punjab Forest Department at the age of 3 years. The results of evaluation revealed that among the poplar clones under study, the clone WSL - 39 achieved the best growth and maximum volume production, attaining diameter of 14.74 cm; height 14.42 m and volume 0.1040 m3/tree at the age of 3 years. The clone WSL-39 outperformed for growth and volume since the beginning. However, the volume production of clone Udai was at par with WSL - 39 at 2 and 3 years of age. On the basis of present results WSL-39 and Udai clones can be included for plantation to broaden the genetic base and more importantly for productivity enhancement.Keywords
Poplar clones, Growth, Volume, Mean annual increment, Punjab- Evaluation of Variation in Physical Properties of Wood among some Tropical Tree Species of South India
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Affiliations
1 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
2 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
3 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
4 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
1 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
2 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
3 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
4 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, IN
Source
Indian Forester, Vol 140, No 1 (2014), Pagination: 70-75Abstract
The paper deals with the variation in wood properties of ten tree species namely Adenanthera pavonina, Artocarpus heterophyllus, Bridelia retusa, Ceiba pentandra, Hydnocarpus wightiana, Hymenodictyon excelsum, Peltophorum pterocarpum, Pterocarpus santalinus, Samadera indica and Tectona grandis grown in the College of Forestry, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala. Stem discs of one inch width were cut at the base, middle and at the top of stem from a randomly selected ten trees of each species for the estimation of physical properties and the specific gravity of wood. Study reveals that, the discs of Adenanthera pavonina recorded highest proportion of heartwood in basal portions followed by Tectona grandis while sapwood percentage was maximum for Samadera indica and Peltophorum pterocarpum. The highest heartwood sapwood ratio was for Tectona grandis in case of disc from the base. The specific gravity of wood of various tree species ranged from 0.14 in Pterocarpus santalinus to 0.96 in Hymenodictyon excelsum.Keywords
Heartwood, Sapwood, Wood Properties, Specific Gravity, Stem Disc.References
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