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Showing items 6733 through 6741 of 6793.
Received for publication April 21, 2006. Increasing consumer demand for organic products has created a need for certified organic research sites. Our objective is to discuss the lessons learned from evaluating alternate cropping systems to establish a certified site in western Iowa.
Objective scientific characteristics of present reclamation systems of Belarus have been done. Structure of reclamation lands has been analyzed. Distribution of reclaimed lands according to the types of irrigation and drainage systems has been presented.
Farmland birds have suffered a severe decline in recent years throughout Europe including Ireland. Agricultural intensification is believed to be the main cause and this has led to the introduction of agri-environmental schemes, of which set-aside is a part.
Cheatgrass (Bromus tectorum L.) is a highly invasive species in the Northern Great Basin that helps decrease fire return intervals. Fire fragments the shrub steppe and reduces its capacity to provide forage for livestock and wildlife and habitat critical to sagebrush obligates.
Excessive nutrients transported from the Mississippi River Basin (MRB) have created a hypoxic zone within the Gulf of Mexico, with numerous negative ecological effects. Furthermore, federal expenditures on agricultural conservation practices have received intense scrutiny in recent years.
Modern agriculture suffers from its dependence on chemical inputs and subsequent impacts on health and environment. Alternatively, protecting crops against pests can be achieved through the reinforcement of regulation ecological services.
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