共 7 条
[1]
BOEHNING RH, 1952, PLANT PHYSL, V27, P475
[3]
Kramer P.J., 1956, ENCY PLANT PHYSL, P124
[5]
RALEIGH G. H., 1941, PROC AMER SOC HORT SCI, V38, P487
[6]
RUSSELL MB, 1952, AGRONOMY 2, P253
[7]
TYSDAL HM, 1949, USDA1722 FARM B