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Effect of extensification on yield and botanical composition of grassland on dry sandy soil


Grassland management and nature conservation: Proceedings of a joint meeting between the British Grassland Society and the British Ecological Society held at Leeds University 27-29 September 1993: 217-222
Effect of extensification on yield and botanical composition of grassland on dry sandy soil
An area of grassland was sown with Lolium perenne, Phleum pratense and Trifolium repens in 1966 and treated for 5 years with 300 kg N/ha annually and P and K as required. In 1971 the area was divided into 2 parts, (a) no fertilizer, and (b) 20 kg/ha P2O5 and 40 kg/ha K2O. These plots were further subdivided for grazing and hay production. Annual DM production declined within 5 to 10 years from 10 t/ha to <4 t under grazing and 1 t/ha under cutting in the (a) plots.


Accession: 002355545



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