ENVIRONMENT AND ECOLOGY 1998 Vol.16 No.1

1..Effect of Weed Management and Pruning on Jute Seed Production∥ P.　 Dey 　 et al...-p1 2...Thysanolaena agrostis Nees - A Promising Cash Crop of Darjeeling Hills. 　　∥D.B..Basnet and P. Lama..-p5 3..Pattern of Consumption and Savings of Urban and Rural　Tribals　of　West 　 Tripura∥B.K..De et al...-p11 4..Improvement of Sporophore Yield of Oyster　Mushroom　( Pleurotus　sajor 　 -caju) by Leaf and Oilcake Amendments of Cultivation Substrate∥A..K.　 　 Patra et al...-p15 5..Chemical Composition of Sand　in　the　Vertisols　of　Middle　and　Lower 　 Narmada Valley of Central India∥D.S..Thakur et al.-p19 6..Intercropping in Pigeonpea (Cajanus　cajan)　 at　Rainfed　Condition　in 　 Umerkote Zone of Orissa∥D..Rout et al...-p23 7..Sewage Sediment Recycling through Pot Culture∥M.R..Rajan and S.P. Raj. 　　-p26 8.Limnological Studies on Lake Sinchal， a Mountain Lake in Darjeeling∥D. 　　Chakrabarty..-p31 9..Comparative　Studies　of　Three　Traditional　Methods　of　Seed　Rhizome 　 Storage of Ginger (Zingiber officinale Roscoe) Practiced in Sikkim　and 　 Darjeeling Hills∥S..Rai and M. Hossain..-p34 10..Seasonal Variation　in　Reproductive　Potentiality　of　the　Pond　Snail 　 Bellamya bengalensis (Lamark)∥A..Panigrahi..-p37 11..Biochemical Analysis of the Pollen of Ricinus communis∥L..S.　Parui　et 　 al...-p40 12..Biocontrol of Macrophomina Infection of Jute∥A.K..Chowdhury..-p44 13..Population Infestation and Nature of Attack of Wild Plants by　the　Slug 　 Laevicalis alte (Ferussac)(Gastropoda: Soleolifera)∥A..Panigrahi..-p46 14..Fertility Status of Some Hilly Soils　of　Arunachal　Pradesh ∥ A. K.　 　 Sannigrahi and R. Pandey..-p49 15..Nutrient Uptake， Moisture Use and Economics of Indian　Mustard　Brassica 　 juncea(L.))Czerj..& Cosson Varieties at Rainfed Conditions∥J.K.　　Singh 　 et al...-p54 16..Characterization of the Egg of Mierenecta scutellaris∥M..Sarala and P. 　 Venkatesan..-p58 17..Physico-Chemical Characterististics of Some Rootstocks of　Citrus　Grown 　 in Laterite Soil of West Bengal∥S.N..Ghosh and K. Besra..-p65 18..Performance and Character Association of Pigeonpea Against Major　Insect 　 Pests in North-Eastern Ghat Zone of Orissa∥N.C..Mishra et al...-p67 19..Influence of Organic　and　Inorganic　Fertilizers　in　Maximizing　Wheat 　 Yield at Irrigated Conditions∥B.S..Azad et al...-p71 20..Incidence of　Spiral　Borer　Agrilus　acutus　Thunb.　　( Buprestidae:　 　 Coleoptera) on Mosta (Hibiscus cannabinus Linn.)∥N.C..Pandit..-p74 21..Analysis of Fish Catch Statistics in Thekera Beel of　Nagaon　District， 　 Assam∥P..Sharma and S. Ahmed..-p77 22..Influence of　Zinc　and　Mercury　on　Blood　Parameters　of　the　Fish 　 Heteropneustes fossilis∥V..Banerjee..-p79 23..Seepage in Small Irrigation Channels∥B..Panigrahi et al...-p85 24..Quality Studies of Textured Protein　Concentrate　Prepared　from　Lizard 　 Fish Saurida tumbil∥P..Sharma et al.-p89 25..Selection of Mulberry (Morus sp) Verieties Based on Yield，　 Nutritional 　 Elements and ItsBearing Upon Bivoltine Silkworm (Bombyx mori L. )　　for 　 Terai Region∥N.Ray et al.-p91 26..Enumeration of Aquatic Angiosperms of Purulia District， West Bengal∥N. 　　　Mondal et al.-p95 27..Relative Abundance and Biology of European Red Mite　Panonychus　ulmi　 　 (Koch)(Acari: Tetranychidae) Infesting Mulberry Cultivars∥K..Karmakar et al.-p101 28..Chemical Composition of Saturation Extract of Two Soils of Two Soils　of Middle and Lower Narmada Valley of Central India∥D.S..Thakur and D.D. Dubey..-p105 29..Combined Effect of Fertilizer Levels and Sucrose on Rearing　Performance 　 of Bivoltine Silkworm(Bombyx mori L.) at Terai Region of West Bengal∥N. 　　Ray et al.-p108 30..Evaluation of Some Substitute Crops　for　Kharif　Rice　for　the　Upland 　 Situation of Drought Prone Tracts of West Bengal∥R.N..Nayak and S.R. Mandal..-