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A native Montana grassland was exposed to 3-monthly median SO2 concentrations (52, 131 and 228 mu g/m3) and to N, S and N + S fertilization. Leaf area...
Read moreThe suitability of pulverized refuse fines (PRF) as a topsoil substitute in the reclamation of colliery spoil and urban clearance areas was studied in...
Read moreA low input approach to the establishment of vegetation on mine and coal ash wastes is illustrated by application to a pulverized fuel ash (PFA) dam i...
Read moreIn view of the use of salt marshes along the southern shores of Hudson Bay as breeding grounds and feeding areas by lesser snow geese and Canada geese...
Read moreIn mine spoil reclamation, the establishment of a sustainable plant cover requires the improvement of limiting conditions and the re-initiation of car...
Read moreIn field trials at Kjettslinge near Uppsala in 1980-85, annual C and N budgets were calculated for the following systems: (a) barley without fertilize...
Read moreA 3-year field study designed to monitor the detailed population dynamics of Anisantha sterilis in winter wheat, and to explore the consequences of ch...
Read moreThe extent to which the weed Cirsium arvense (creeping thistle) may be controlled by manipulating interspecific competition and herbivory was examined...
Read moreClimate change is expected to bring fewer, larger rainfall events and prolonged droughts (i.e. increased rainfall variability). Concurrently, the burn...
Read moreAbove-ground arthropod populations in field plots of barley receiving no nitrogen (barley 0), barley receiving 120 kg nitrogen per hectare per year (b...
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