00564nam a2200169ua 4500003001000000005001700010008004100027040003000068100001700098245014500115260003400260504002800294650001500322651001600337655001000353710003100363AR-SsjUCA20250715142300.0250228s1959    xxk           000 0 eng d  aAR-SsjUCAbspacAR-SsjUCA1 aIvins, J. D.14aThe measurement of grassland productivity :bproceedings of the University of Nottingham, Sixth Easter School in Agricultural Science, 1959.  aLondon :bButterworth,c1959.  aIncluye bibliografía. 4aPastizales 4aReino Unido 4aTexto2 aUniversity of Nottingham.