共 19 条
[1]
BINGHAM F. T., 1958, SOIL SCI, V86, P24, DOI 10.1097/00010694-195807000-00005
[4]
HARPER JL, 1960, BIOLOGY WEEDS, P61
[5]
Hewitt EJ, 1952, COMMONW AGR BUR
[7]
MATTINGLY GEG, 1960, 1959 ROTH EXP STN RE, P49
[8]
OUELLETTE G. J., 1958, CANADIAN JOUR PLANT SCI, V38, P206
[9]
PIPER CS, 1944, SOIL PLANT ANALYSIS
[10]
PRITCHARD T, 1960, BIOL WEEDS, P61