共 10 条
[1]
CLABORN HV, 1958, FEB AM ENT SOC SW BR
[2]
GOPLEN B. P., 1956, CANADIAN JOUR BOT, V34, P711, DOI 10.1139/b56-052
[3]
HASKINS F. A., 1957, AGRON JOUR, V49, P493
[5]
KANE PF, 1958, 134TH M ACS DIV AGR
[7]
KREUGER HR, 1958, COMMUNICATION MAY
[8]
MEAGHER WR, 1294 CHEM CORP REPT
[9]
Slatensek J. M., 1944, JOUR AMER SOC AGRON, V36, P704
[10]
SPRINCE H, 1956, SCIENCE, V125, P442