共 14 条
[2]
DUBOVIK YF, 1956, POCHVOVEDENIE, V12, P62
[3]
KOROVIN AI, 1954, DOKL AKAD NAUK, V97, P1081
[4]
KOROVIN AI, 1955, SOILS FERTILIZERS, V18, P69
[5]
LINGLE JC, 1959, AMER SOC HORT SCI P, V73, P312
[6]
NIELSEN K. F., 1960, CANADIAN JOUR SOIL SCI, V40, P255
[7]
OLSEN SR, 1954, USDA939 CIR
[8]
PARUPS E. V., 1960, CANADIAN JOUR PLANT SCI, V40, P516
[9]
PARUPS E. V., 1960, CANADIAN JOUR PLANT SCI, V40, P281
[10]
POWER J. F., 1961, AGRON JOUR, V53, P106