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The role of low-intensity farming in sustainable management of European landscapes and biotypes of high nature conservation value is discussed. More t...
Read moreSwards dominated by western wheatgrass (Agropyron smithii) at 2 sites in SE Montana were continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-M...
Read moreA native grassland in SE Montana dominated by Agropyron smithii was continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-May until Oct. 1975 an...
Read moreLolium perenne cv. S23, Trifolium repens cv. S184 and T. repens cv. Olwen were grown in the glasshouse as monocultures and as mixtures. Drought condit...
Read moreThe results of the first 4 years of an experiment which has involved frequent applications of ammonium sulfate within a 1-km2 tract of nitrogen-poor d...
Read moreThe effects of applications of locust insecticides on birds were studied in the savannah of northern Senegal in 1989. The insecticides studied were fe...
Read moreCrassula helmsii (Australian swamp stonecrop or New Zealand pygmyweed) was first recorded growing on Mile Cross Marsh in Norwich, Norfolk, UK before 2...
Read moreThe levels of blood urea, Ca, P, Na and K in the lechwe (Kobus leche kafuensis) blood sera were determined and compared with a standard. Blood urea wa...
Read moreThe input and output of water, Na, K, Ca, P and N were measured over a 14 month period in a 45 m2 watercress bed containing 6927 kg of a soil/gravel m...
Read moreThe soil seed bank and seedling recruitment of the weed vegetation were monitored over 9 years at two fixed plots (a shallowly ploughed plot and a dee...
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