pollution of water resources by various pollutants is nowadays a global environmental issue. among the different type of water pollutants, dye represents a major polluting group. in this study, azolla filiculides roots have been used for adsorption of malachite green (mg), a cationic dyed from aqueous solution. in this study, effects of operating parameters such as initial concentration of dye ...

About 170 species of Commelina are known from tropical and subtropical regions of the world. Nepal contributes 6 species of Commelina to the world flora. In the present work, taxonomy of all the six species of Commelina reported from Nepal (C. benghalensis, C. caroliniana, C. diffusa, C. maculata, C. paludosa and C. suffruticosa) was studied. Voucher specimens were collected from Central and Ea...

Objective: to evaluate the historical trends of clam fishery in Alvarado, Veracruz, determine current state its populations and promote incorporation aquaculture activities, conserve resource reduce negative impact fishery.
 Design/methodology/approach: data were obtained through CONAPESCA on arrival notices production from offices Veracruz. After analyzing this information, graphs trends,...

Visible Patterns of Sound: RALPH K. PoTTER .i............ 463 M. SELLE. Concerning the Term "Race Differences " and the Concept " Culture ": DR. C. W. Obituary: WEIANT . ... ..... 484 Walter Bradford Cannon: DL CEcm K. DRINKER. Deaths and Memorials ................ 470 Scientific Books: Mainsprings of Civillation: Dli. WARRAIN S. Scientific Events: THOMPSON. Physical Geology: DR. HARRY S. Nucle...

In order to investigate the effect of growth media and nutrition method on the growth of Bellis perennis L. and nutrients uptake, a factorial experiment was conducted with two factors: growth media (municipal waste compost, Azolla compost, tea wastes compost) and nutrition method (without fertilizer, soil application, foliar spray) in comparison to the control medium (60% soil + 20% manure + 10...