共 15 条
[1]
Day J.W., 1920, J AM SOC AGRON, V12, P100, DOI [10.2134/agronj1920.00021962001200030002x, DOI 10.2134/AGRONJ1920.00021962001200030002X]
[2]
ENGLEDOW FL, 1927, PRINCIPLES PRACTICE
[3]
Fisher R., 1930, STAT METHODS RES WOR
[4]
FISHER RA, 1930, TECH COM 10 IMP BURE
[5]
Hayes HK, 1917, J AGRIC RES, V11, P0399
[6]
KIESSELBACH TA, 1923, J AM SOC AGRON, V15, P199
[7]
KIESSELBACH TA, 1918, RES B NEBRASKA AGR S, V93, P1
[8]
Love H. H., 1919, J AM SOC AGRON, V11, P212
[9]
LYON TL, 1911, J AGR SCI, V3, P89
[10]
MONTGOMERY EG, 1912, B NEBRASKA AGR EXP S, V127, P1