IFEU - Institute for Energy and Environmental Research Heidelberg, since 1978 ... Biotope network: arable land. Extensive grassland. Energy crops: erosion hazard land ...
To administer this study MRC Respiratory symptoms questionnaire 1986 was used. ... Significance of Reported Symptoms and PEF with Socio-econmic Variables ...
Cars. Cattle. feedlot. Value-added. products ... can replace 20-40% of cattle rations ... instead of burning fossil fuels in cars (increasing GHG) the use of ethanol ' ...