01081nam a2200145 a 450000100080000000500110000800800410001910000210006024500570008125000100013826000380014830000110018652007250019765000130092213270462013-05-23       1937    bl uuuu      00u1 u    #d1 aARMSTRONG, S. F.  aBritish grasses and their employment in agriculture.  a3.ed.  aCambridge: University Pressc1937  a350 p.  aThe morphology of grasses. General biology of grasses. Distribution of british grasses. Common british grasses grouped according to their vegetative characters. Common british grasses grouped according to their inflorescences and floral characters. Key to grass "seeds". Botanical description of species. Characters which determine the Use and relative value of grasses in agriculture. Commercial, indigenous and new strains. The agricultural and other economic uses of the more important species. Seeds mixtures. Laying land down to grass. Grassland management. The conservation of herbage. The improvement of poor grassland. Lawns and greens: their formation and maintenance. The valuation and purchase of grass seeds.  aPastagem