共 34 条
[5]
BIELESKI RL, 1983, ENCY PLANT PHYSL A, V15, P442
[6]
FURTHER EVIDENCE FOR A P-ZN IMBALANCE IN PLANTS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1968, 32 (01)
:94-&
[7]
BOAWN LOUIS C., 1964, SOIL SCI SOC AMER PROC, V28, P229