共 41 条
[13]
GARDNER W. R., 1960, SOIL SCI, V89, P63, DOI 10.1097/00010694-196002000-00001
[15]
Gregory P. J., 1976, THESIS U NOTTINGHAM
[18]
HALL CS, 1953, 101 N CAR AGR EXPT S
[19]
HARROD MF, 1967, SOIL POTASSIUM MAGNE
[20]
HECTOR JM, 1936, INTRO BOTANY FIELD C, V1, P92