共 18 条
[2]
COOKE GW, 1971, MINISTRY AGR FISHERI, V20
[3]
ENGLESTAD OP, 1976, 1976 P TVA FERT C CI
[5]
Halm B. J., 1972, International Atomic Energy Agency: Isotopes and radiation in soil-plant relationships including forestry. Proceedings of a Symposium, Vienna, 13-17 December 1971, jointly organized by the IAEA and FAO., P571
[8]
HUNTER ALBERT S., 1961, SOIL SCI SOC AMER PROC, V25, P218
[9]
JACKOBS JA, 1970, U ILLINOIS B, V738
[10]
LUDWICK AE, 1977, GUIDE FERTILIZER REC