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Singh, J. P.
- Nutrient Cycling through Litter Production of Shortrotation Trees and its Effect on Herbage and Oil Yield of Aromatic Plants under Agroforestry System
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Indian Forester, Vol 133, No 6 (2007), Pagination: 794-804Abstract
Higher herbage and oil yield was recorded in pure fields of Mentha crops than their crops grown under Poplar and Eucalyptus stands. The first harvest of each crop of Mentha spp., yielded higher fresh herbage as well as oil in comparison to second harvest, both in pure as well as intercropped with Poplar and Eucalyptus stands. Maximum herb and oil yield was produced by M. arvensis and minimum by M. piperita, both in pure as well as intercropped stands. The trees intercropped with M. arvensis produced higher quantity of litter and minimum was in M. piperita. The quantity of litter production was higher in poplar than Eucalyptus. The concentration of nutrients (NPK) in the litter decreased with increasing age of stands. It was higher in Poplar than Eucalyptus. The total addition of nutrients was also recorded higher in Poplar than Eucalyptus.- Study of Lac Production Growth in Jharkhand: District-wise and Crop-wise Analysis
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Indian Forester, Vol 137, No 11 (2011), Pagination: 1309-1312Abstract
Status of lac production in lac growing districts of Jharkhand has been assessed with parameters like minimum, maximum, average production and simple growth rate for the period 2006-07 to 2009-10. A comparison of growth rate in three years period (2006- 07 to 2008-09) with those in four years period (2006-07 to 2009-10) has also been made for understanding the status of change in production. The analysis of data showed that Ranchi district has highest production of lac to the tune of 28.9 per cent of total lac production of the state followed by Simdega (24.5 per cent) and Gumla (17.9 per cent). The positive growth rate in lac production was recorded in Gumla, West Singhbhum and Simdega to the tune of 21.6, 6.32 and 28.9 per cent per annum respectively during last four years. Highest negative growth rate was recorded in Latehar (-69.3 per cent) district. Comparative analysis of last three and four years period growth rate showed that Gumla district recorded positive growth with slight reduction (24.9 to 21.6 per cent). Simdega district reported very good improvement (-21.2 to 28.9 per cent) and another district which recorded good improvement was West Singhbhum (- 17.3to 6.3 percent).Keywords
Lac Production, Growth Rate, Jharkhand, 'Rangeeni ' Lac And 'kusmi' Lac- Record of Syngamia abruptalis Wlk.(Lepidoptera:Pyralidae) on Japanese Mint in Tarai Area
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Indian Forester, Vol 93, No 3 (1967), Pagination: 180-180Abstract
no abstract- Growth Analysis of Lac Production in Madhya Pradesh
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Indian Forester, Vol 139, No 5 (2013), Pagination: 448-452Abstract
District-wise and crop-wise status of lac growing districts of Madhya Pradesh have been assessed with parameters like minimum, maximum, average production and simple growth rate (SGR) for four years (2006-07 to 2009-10). The study reported that the state contributes 16 per cent production of the country; however, the growth rate during the study period was negative and to the tune of 10.1 per cent per annum. Seoni district contributed maximum in lac production (41.6 per cent) followed by Balaghat (30.6 per cent), Hosangabad (8.4 per cent) and Mandla (7.0 per cent). Strain-wise growth rate for the whole state showed that both rangeeni and kusmi lac production attained a negative growth of 5.2 and 32.1 per cent per annum. Crop-wise growth rate for the state showed that rangeeni-summer attained positive growth (12.1 per cent per annum) while rangeeni-rainy registered negative growth(37.5per cent). Similarly,both kusmi-winter and kusmi-summer crop registered negative growth rate of 34.0 and 29.9 per cent per annum respectively.Major reduction in lac production was due to loss of rangeeni-rainy crop which caused less availability of broodlac for next season.Thus less production in one season indirectly affected production of succeeding season crops also.Keywords
Lac production, Growth rate, Schleichera oleosa, Rangeeni and Kumi Lac- A Review of Lac Production in India during Xi Plan
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Authors
A. K. Jaiswal
1,
J. P. Singh
2
Affiliations
1 Division of Transfer of Technology Indian Institute of Natural Resins and Gums, Ranchi 834 010
2 Division of Transfer of Technology Indian Institute of Natural Resins and Gums, Ranchi 834 010, IN
1 Division of Transfer of Technology Indian Institute of Natural Resins and Gums, Ranchi 834 010
2 Division of Transfer of Technology Indian Institute of Natural Resins and Gums, Ranchi 834 010, IN