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Agri-environment schemes were first launched in England, UK, in 1987. A number of schemes are now operated by the Ministry of Agriculture, Fisheries a...
Read moreBy adopting the Habitats Directive (Directive 92/43 of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora) in 1992, the g...
Read moreSprings are the major source of freshwater in many small mountainous watersheds within the Himalayan region. In recent years, their flow rates have di...
Read moreEarthworm populations were estimated in topsoil stored during opencast mining for coal and in replaced soil. Soil from the surface of storage heaps wa...
Read moreA survey of the botanical resource of rich-fen sites in England and Wales showed 464 plant species which were subdivided into (1) principal fen specie...
Read moreSeed collected from natural stands of P. menziesii growing at (a) 250, (b) 520 and (c) 880 m alt. in Oregon, and from a cross between trees in (a) and...
Read moreRelationships between red-winged blackbirds (Agelaius phoeniceus) and the chrysomelid Diabrotica longicornis were studied in field maize in Cayuga Cou...
Read moreThe authors present a model simulating the effects of the acridid Melanoplus sanguinipes on the yield of spring wheat planted in infested stubble. The...
Read moreThe density and distribution of Nectria galligena were determined on all 16 combinations of 4 cvs (Summerland Red McIntosh, Harrold's Delicious, Spart...
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