共 27 条
[1]
BERG SO, 1926, WEIB ARSB, V21, P16
[3]
DAVY H, 1821, ELEMENTS AGR CHEM, P53
[4]
DRAGHETTI A, 1921, STAZ SPER AGR ITAL, V54, P145
[5]
Fisher RA., 1925, STAT METHODS RES WOR
[6]
Garber R., 1919, AGRON J, V11, P173, DOI [10.2134/agronj1919.00021962001100050001x, DOI 10.2134/AGRONJ1919.00021962001100050001X]
[7]
HOWARD A, 1912, MEM DEP AGR INDIA BO, V5, P1
[8]
JODIN MV, 1883, ANN CHIMIE PHYS, V30, P485
[9]
KNOP W, 1862, LANDW VERSUCHS STAT, V3, P295
[10]
KRAUS C, 1912, BEITR PFLANZENZ, P14