TY - BOOK AU - Pearson, C. J AU - Ison, R. L TI - Agronomy of grassland systems SN - 9780521568890 U1 - 633.202 PEA PY - 1997/// CY - Cambridge PB - Cambridge University Press KW - Grasses KW - Pastures KW - Range management N1 - Includes bibliographical references (p. 188-217) and index ER -