共 14 条
[1]
BIRCH H. F., 1958, Plant and Soil, V10, P9, DOI 10.1007/BF01343734
[2]
BIRCH H. F., 1959, Plant and Soil, V11, P262, DOI 10.1007/BF01435157
[3]
BIRCH H. F., 1960, Plant and Soil, V12, P81, DOI 10.1007/BF01377763
[4]
BREMNER J. M., 1955, J. agric. Set., V46, P320
[5]
CORNFIELD A. H., 1961, Plant and Soil, V14, P90, DOI 10.1007/BF01343772
[6]
ENGEL M. S., 1960, SOIL SCI SOC AMER PROC, V24, P48
[7]
GREENLAND D. J., 1958, Journal of Agricultural Science, V50, P82, DOI 10.1017/S0021859600029919
[8]
HAGENZIEKER F., 1957, Plant and Soil, V9, P97, DOI 10.1007/BF01398919
[9]
MOORE AW, 1963, EMPIRE J EXP AGR, V31, P189
[10]
MORGAN MF, 1937, 392 CONN AGR EXP STA