01084nam a2200169 a 450000100080000000500110000800800410001910000230006024500370008326000470012030000100016752006770017765000130085465000130086765300140088070000200089413223352000-01-31       1974    bl uuuu      00u1 u    #d1 aSPEDDING, C. R. W.  aSilver jubilee-report 1949-1974.  aHurley: Grassland Research Institutec1974  a186p.  aOrigins and development. Grassland survey. Leys in arable rotations. Evaluation of forage crops. Digestion in the ruminant. Digestibility of forage. The contribution of plant and crop physiology. The growth of the  grass plant. Growth of the crop. Aspects of the mineral nutrition of temporary grassland. Soil water and irrigation. Silage. Green crop drying. Grazing management. Parasites and the grazing sheep. The components of sheep production. Artificial rearing of lambs. The components of sheep production. Artificial rearing of lambs. The development of beef projduction systems. The componets of cattle production systems. A systems approach to grassland research.  aPastagem  aPesquisa  aRelatorio1 aWILLIAMS, R. D.