Plant physiology and herbage production, 7-9 April 1981 held at the University of Nottingham : proceedings of a symposium / organised by the British Grassland Society ; editor, C.E. Wright. (Occasional symposium)
Plant physiology and herbage production, 7-9 April 1981 held at the University of Nottingham : proceedings of a symposium / organised by the British Grassland Society ; editor, C.E. Wright.