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Field-grown soyabeans were exposed to 3 levels of SO2 to determine the effects of the exposure upon photosynthesis and stomatal resistance. In plots w...
Read moreDuring the summer of 1976, population levels of various herbivores and all predators and parasites in fields in USA were monitored by three sampling m...
Read moreThe spatial heterogeneity of predator populations is an important component of ecological theories pertaining to predator-prey dynamics. Most studies ...
Read moreWe examine the economic effectiveness of conjunctive water management with on-farm reservoirs and tail-water recovery to address groundwater scarcity ...
Read moreBolivia's forest resources are of global importance, its main forest areas are located in subtropical and tropical regions. There is severe deforestat...
Read moreThe long-term sustainability of human water consumption is being challenged by climate change, population growth, socioeconomic development and intens...
Read moreAgricultural landscapes provide the essential ecosystem service of food to growing human populations; at the same time, agricultural expansion to incr...
Read morePrograms that help farmers manage risk are a major component of the Federal Government's support to rural America. Changes to this risk-and thus to th...
Read moreThe amount of semi-natural habitat surrounding farm fields is a common but inconsistent predictor of natural enemy populations and predation services....
Read moreGenetically modified (GM), herbicide-tolerant crops have been adopted extensively worldwide, resulting in increased homogenization of agricultural pra...
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