共 15 条
[1]
Breazeale JF, 1919, J AGRIC RES, V18, P0267
[2]
CHAPMAN H. D., 1940, HILGARDIA, V13, P141
[3]
CHAPMAN HD, 1937, SOIL SCI SOC AM P, V2, P359
[4]
COSSMANN KF, 1939, PALESTINE J BOT, V3, P65
[5]
GIRTON RE, 1927, U CALIF PUBL AGRIC S, V5, P83
[6]
HAAS A. R. C, 1926, HILGARDIA, V2, P67
[7]
HAYWARD HE, USDA TECH B, V786
[8]
Hoagland D.R., 1938, 347 U CAL AGR EXP ST
[9]
KROEMER K, 1903, BIBLIOTHECA BOTANICA, V12, P1
[10]
MULLER H, 1906, BOT Z, V64, P53