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In addition to other nitrogen sources, nitrogen emissions from agriculture pollute waters and other environmental media, both in Germany and in other ...Read more
Understanding ecological strategies of invasive species relative to the entire native community is important in understanding and managing both the me...Read more
Nitrogen fertilizer applied over three years to Corsican pine in Moray Forest increased the weight of needle fall, increased the levels of nitrogen an...Read more
Ratios of nitrogen to phosphorus (N:P) in plant foliage have been used to assess nutrient limitation in wetland ecosystems and to indicate nitrogen sa...Read more
Above-ground arthropod populations in field plots of barley receiving no nitrogen (barley 0), barley receiving 120 kg nitrogen per hectare per year (b...Read more
Root symbionts (rhizobia and arbuscular mycorrhizas) are often assumed to increase agricultural productivity consistently. However, rhizobial and myco...Read more
Fourteen grass swards which had been reclaimed from colliery spoil and urban clearance materials 1-7 years previously were dressed with nitrogen, phos...Read more
Above-ground yield and the production of senescent and dead tissue were measured in perennial and Italian ryegrasses, white and red clover and in mixt...Read more
In a field trial in the Drentsche A Nature Reserve in the Netherlands, a grassland reclaimed from a heathland in 1950 and taken out of agricultural pr...Read more