共 18 条
[1]
ADAMS RC, 1951, NZ ENG, V6, P12
[2]
[Anonymous], 1950, OFFICIAL METHODS ANA
[3]
BLACK LA, 1928, CENTR BAKT PARASIT 2, V75, P360
[5]
SNELL, 1948, COLORIMETRIC METHODS
[6]
STRAUB H, 1950, HERSTELLUNG KOMPOST
[7]
TSIKLINSKY P, 1899, ANN I PASTEUR, V17, P217
[8]
van Tieghem P, 1881, B SOC BOTAN FRANCE, V28, P35
[9]
VANVUREN JPJ, 1949, SOIL FERTILITY SEWAG