OTAC | Research Papers

Recent Books, Monographs & Research papers

A. Books

1. Ghosh Hajra, N.	2006	Organic tea: Cultivation and Marketing. International Book Distributing Company, Lucknow, India, p 243.
2. Ghosh Hajra, N.	2006	Tea and Health – Science Behind the Myths. UBS Publisher’s Distributors Ltd., New Delhi, India, p 161.
3. Ghosh Hajra, N.	2001	Tea Cultivation: Comprehensive Treatise. International Book Distributing Company, Lucknow, India, p 520

B. Monograph

6. Ghosh Hajra, N., Sarkar, G. & Ghosh Hajra, A	1994	Environmental impact of pesticides and alternatives of pest control in tea (Camellia sinensis L.). ARTN, p34.
5. Ghosh Hajra, N.	1993	Botanical pest control an alternative for toxic pesticides: An overview. Advances in Plant Sciences, p34.

C. Research Paper

6. Ghosh Hajra, N., Sarkar, G. & Ghosh Hajra, A	2007	Biological control of tea pests. Green Farming, 3(1): 9-13.
7. Ghosh Hajra, N.	2007	Organic tea production vis-à-vis world market. Proc. National Workshop on ‘Organic Horticulture - Its Production, Processing, Marketing & Export for Sustainability. Invited talk. June 8-10, Bidhan Chandra Krishi Viswavidyalaya, Mohonpur, West Bengal
8. Ghosh Hajra, N., Sarkar, G. & Ghosh Hajra, A	2005	Organic tea growing in India: A case study in Darjeeling hills. National Workshop on Vision & Strategies for Tea Development in Hilly States. May 28-30, Uttaranchal Tea Development Board, Almora.
9. Ghosh Hajra, N., Sarkar, G. & Ghosh Hajra, A	2004	Biocontrol of insects, diseases, and weed pests in tea plantation. Proc. 15th International Plant Protection Congress. Beijing, China, May 11-16, 2004, 404.
10.Ghosh Hajra, N., Kumar, R	2004	Influence of environmental variables on gas & exchange and productivity of tea. Proc. International Conf. on O-Cha (tea) Culture and Science. Shizuoka, Japan, Nov. 4-6, 2004. 181-184
11. Ghosh Hajra, N.	2004	Organic tea: Cultivation, Marketing and Trade. State Level Seminar, Govt. of Nagaland, Dept. Agric., 4 -5 Oct. 2004. Kohima.
12. Ghosh Hajra, N.	2002	Physiology of tea productivity. J. Plantation Crops, 30(3):1-12.
13. Ghosh Hajra, N.	2002	Organic tea growing in Darjeeling hills: an overview. Pestology, XXVI (12): 11-26.
14. Ghosh Hajra, N. & R. Kumar	2002	Responses of young tea clones to subtropical climatic : effects on photosynthetic and biochemical characteristics. J. Plant Biol., 29(3): 257-264.
15. Bisen, J. S. & Ghosh Hajra, N	2002	Efficacy of some organic pesticides against blister blight disease of tea in Darjeeling hills. Pestology, XXVI (8):14-17.
16. Ghosh Hajra, N	2001	Advances in selection and breeding of tea - a Review. J. Plantation crops, 29(3): 1-17.
17. Bisen, J. S. & Ghosh Hajra, N	2001	Bioefficacy of some neem formulations and garlic extract against sucking pests of tea. Pestology, XXV (8): 12-15
18. Kumar, N., Rai, R. & Ghosh Hajra, N.	2000	Plucking cycle in relation to quality of Darjeeling teas. Intl. Conf. Plantation Crops Research and Development in the New Millennium (PLACROSYM XIV), 12-15 Dec., 2000, Hyderabad, India, 436-441.
19. Bisen, J. S. & Ghosh Hajra, N	2000	Persistence and degradation of some insecticides in Darjeeling tea. J. Plantation Crops, 28(2): 123-131
20. Ghosh Hajra, N. & Kumar, R	1999	Seasonal variations in photosynthesis and productivity of young tea. Expl. Agric. (UK), 35: 71-85
21. Bisen, J. S. & Ghosh Hajra, N	1999	Residues and persistence of some insecticides in Darjeeling tea. Proc. Symp. Darjeeling Tea, Darjeeling, April 12, 1999, pp. 61-69
22. Bisen, J. S. & Ghosh Hajra, N	1997	Testing Delphin with some commonly used insecticides to control flushworm in young Tea of Darjeeling. Pestology, 21(3): 12-14
23. Ghosh Hajra, N. Chhetri, P.	1997	Common diseases of tea in Darjeeling hills & their management. Proc. Natl. Symp. Disease Economically Important Plants of eastern India and their Management. North Bengal Univ., Siliguri, West Bengal, Feb. 6, 1997, 23-28.
24. Ghosh Hajra, N	1997	Green tea production in India. Tea & Coffee Trade Journal, 169(5): 90-98.
25. Kabir, S. E. & Ghosh Hajra, N	1996	Effect of plucking intervals on yield and quality of Darjeeling tea. J. Plantation Crops 24(S): 758-762
26. Bisen, J. S. & Ghosh Hajra, N	1995	Bioefficacy of neem products in controlling certain pests of tea (Camellia sinensis L.). Pestology, 21(10): 28-32
27. Ghosh Hajra, N	1994	Vermiculture and vermicasting in tea cultivation. ARTN, 83(5): 9-12
28. Kumar, N., Rai, R., Ghosh Hajra, N. & Chaudhuri, T. C.	1993	Improvement in quality of Darjeeling teas through blending during manufacture. J. Plantation Crops, 21(3): 385-389
29. Kumar, N., Rai, R., Ghosh Hajra, N. & Chaudhuri, T. C.	1993	Dry matter content of certain clones under the agroclimatic condition of Darjeeling. J. Plantation Crops, 21(3): 385-389
30. Kabir, S. E., Ghosh Hajra, N. & Chaudhuri, T. C.	1993	Comparison of methods of replanting old tea bushes. Trop. Agric. (UK), 70(3): 205-207
31. Kabir, S. E., Ghosh Hajra, N	1992	Analysis of growth components of Darjeeling tea clones. Phytobreedon, 6(1): 37-40
32. Kabir, S. E., Ghosh Hajra, N. & Chaudhuri, T. C.	1991	Training of young tea in Darjeeling. Tech. Bull. 6, Tea Board, p7
33. Reddy, K. S. P., Chaudhuri, T. C. & Ghosh Hajra, N.	1990	Infectivity of Bacillus thuringiensis var kurustaki against bunch caterpillar. Two and a Bud, 37(1): 15-16