共 14 条
[1]
BARBER SA, 1962, SOIL SCI, V93, P38
[7]
HOAGLAND DR, 1950, 347 CAL AGR EXP STN
[8]
MARTIN WE, 1973, SOIL TESTING PLANT A
[10]
REID D. J., 1965, AGRON J, V57, P434