共 18 条
[2]
COOKE G W, 1975, Rothamsted Experimental Station Report, P187
[5]
HODGE CAH, 1972, ROTHAMSTED EXPT ST 2, P143
[6]
IGBOKWE MC, 1977, THESIS U LONDON
[7]
JOHNSTON A E, 1979, Rothamsted Experimental Station Report Part 2, P99
[8]
MOFFATT J. R., 1967, Rothamsted Experimental Station Report for 1966., P236
[9]
MUNDY EJ, 1973, EXP HUSB, V25, P22