共 10 条
[1]
ALEXANDER M., 1965, SOIL SCI SOC AMER PROC, V29, P1
[3]
ANDUS LJ, 1964, PHYSIOLOGY BIOCHE ED, P111
[4]
CONN HJ, 1921, 83 NY AGR EXPT STA T
[5]
GUIFFREDA L, 1964, ASSOC OFFIC AGR CHEM, V47, P1112
[6]
Hartley G.S., 1964, PHYSIOLOGY BIOCHEMIS, P111
[7]
Johnson LF., 1959, METHODS STUDYING SOI
[9]
Waksman S.A., 1927, PRINCIPLES SOIL MICR