00526nam a2200181Ia 4500008004100000020001500041082001600056100002200072245005000094250000600144260004700150300000800197650004100205650003400246653001800280700002200298700002400320170901s1973    xx            000 0 und d  a0081380681  a633.2bH48F  aHeath, E. Maurice 0aForagesbThe Science of Grassland Agriculture  a3  aUSAbThe Lowa State University Pressc1973  a755  aAgriculture and related technologies  aTechnology (Applied sciences)  aForage plants  aBarnes, F. Robert  aMetcalfe, S. Darrel