共 15 条
[2]
FOX R. L., 1964, SOIL SCI SOC AMER PROC, V28, P243
[3]
DIAGNOSIS OF SULFUR DEFICIENCY IN WHEAT
[J].
AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH,
1978, 29 (04)
:727-738
[5]
IISMAA O., 1959, JOUR AUSTRALIAN INST AGRIC SCI, V25, P136
[6]
JOHNSON CM, 1969, 766 U CAL AGR EXP ST
[7]
JONES DB, 1977, 1977 P INT C EN CONS
[8]
McKinney G. T., 1974, Field Station Record, V13, P17
[9]
METSON AJ, 1973, 20 SULPH I TECH B