共 14 条
[1]
Aronoff S, 1956, TECHNIQUES RADIOBIOC
[2]
CLEGG MD, 1958, 67 OUTST TEST CIRC
[3]
COLLIER J. W., 1963, CROP SCI, V3, P419, DOI 10.2135/cropsci1963.0011183X000300050015x
[7]
Johann H, 1935, J AGRIC RES, V51, P0855
[8]
KERSTING J. F., 1961, AGRON JOUR, V53, P36
[10]
MAUNDER AB, PERSONAL COMMUNICATI