共 17 条
[1]
COOPER J. P., 1956, Journal of Agricultural Science, V47, P262, DOI 10.1017/S0021859600040338
[3]
DOWNS RJ, 1958, AMER SOC HORT SCI, V71, P568
[4]
EVANS L. T., 1960, NEW PHYTOL, V59, P163, DOI 10.1111/j.1469-8137.1960.tb06214.x
[6]
FEDEROV AK, PRIVATE COMMUNICATIO
[7]
GOTT MB, 1955, ANN BOT NS, V21, P87
[8]
HANSEL H., 1951, BODENKULTUR OESTERREICH ZENTRAL ORGAN LANDWIRTSCH U ERNAHRUNGSFORSCHUNG, V5, P305
[9]
KLEINENDORST A, 1957, JAARB I BIOL SCHEIK, V9, P39
[10]
KNIGHT W. E., 1958, AGRON JOUR, V50, P295