References
- Antonovics , J. , Lovett , J. and Bradshaw , A. D. 1967 . “ The evolution of adaptations to nutritional factors in populations of herbage plants ” . In Isotopes in plant nutrition and physiology , 549 – 567 . Vienna : International Atomic Energy Agency . In
- Charles , A. H. 1971 . Ryegrass populations from intensively managed leys. II. Reaction to nitrogen and Poa trivialis L . Journal of Agricultural Science, Cambridge , 76 : 233 – 241 .
- Goodman , P. J. 1968 . “ Intra-specific variation in mineral nutrition of plants from different habitats ” . In Ecological aspects of the mineral nutrition of plants , Edited by: Rorison , I. H. 237 – 253 . Oxford and Edinburgh : Blackwell . In
- Lazenby , A. and Lovett , I. V. 1975 . Growth of pasture species on the Northern Tablelands of New South Wales . Australian Journal of Agricultural Research , 26 : 269 – 280 .
- Lucanus , Renate , Mitchell , K. J. , Pritchard , G. G. and Calder , D. M. 1960 . Factors influencing survival of strains of ryegrass during the summer . N.Z. Journal of Agricultural Research , 3 : 185 – 193 .
- Ross , M. A. and Harper , J. L. 1972 . Occupation of biological space during seedling establishment . Journal of Ecology , 60 : 77 – 88 .
- Snaydon , R. W. and Dayies , M. S. 1972 . Rapid population differentiation in a mosaic environment. II. Morphological variation in . Anthoxanthum odoratum. Evolution , 26 : 390 – 405 .
- Williams , R. Dorrington . 1970 . Tillering in grasses cut for conservation, with special reference to perennial ryegrass . Herbage Abstracts , 40 : 383 – 388 .