“…L.Y R & H OFFMANN (1967), K OSTLER et al (1968), F AYLE (1968), S UTTON (1969, I98O), HEAD (1973), RiEnACKE R (1976), H ERMANN (1977), R USSELL (1977), C ALDWELL (1979), and PERRY (1982) nl., 1980 ;P ERSSON , 1983, Focrt., 1983. Whereas fine-root production and turnover have been compared for conifer and deciduous stands (HARRIS et al, 1977 ;M C C LAUGHERTY et at., 1982), stands of different ages (K ALE t_A, 1955 ;P ERSSON , 1978P ERSSON , , 1979G R iER ct al., 1981), and stands of different nutrient status (D YRNESS et al, 1974 ;Z OBEL el al., 1976).…”