abstract arsenic (as) contamination of soils is a global problem. legumes are often used in remediation of contaminated sites because of their capacity to fix nitrogen. in the present study, the effects of inoculation of bean (by rhizobium leguminosarum bv. phaseoli) on plant uptake and tolerance to arsenic were investigated. an experiment with a factorial arrangement, two levels of inoculation...

With the growing levels of green house gases in the atmosphere, many people have shown increased interests to embrace the environmental-friendly mode of transportation, biking [5]. Incidentally, biking offers numerous other benefits, such as a means of daily exercise while commuting to work, which is both economical and saves time. Montana State University (MSU) strives to be one of the leaders...

The Arctic has a disproportionately large response to changes in radiative forcing of climate, and arctic lacustrine ecosystems respond sensitively to these changes. The goal of this research is to generate high-resolution climate records for the past two millennia using multiple proxies in order to place 20th and 21st century climate and environmental change into a long-term context. We use a ...

waterlogging is one of the problems of cotton-growing in rainy regions which affects adversely plant growth in the early stages. so that rainfall causes waterlogging in early to mid spring in the fields without proper drainage. also, rainfall declines soil and environment temperatures. to investigate the effects of waterlogging period duration and temperature on vegetative properties and glycol...

this study was carried out in zarabd, bardsir and sirjan in kerman province in 2002-2003. a number of 58 green-house owners, five wholesaller and 20 retalisaller selected by systemathic sampling method. the results showed that cost marketing service was from 196 to 620 rials and marketing net benefit was 375 rials for cucumber and 230 rials for tomato. retail marketing net benefit was 204 rials...

In order to mitigate the concentration of NH3 and greenhouse gases (GHGs: CO2, N2O, CH4) in livestock houses, two experiments, one determining ideal manure removal frequency by cleaning feces from a house once, twice, three, four times day, which microbial deodorant VenaZn were sprayed, conducted rabbit breeding house. The NH3, CH4 concentrations monitored continuously with an Innova 1512 photo...