共 15 条
[1]
RANGE FERTILIZATION - NITROGEN AND PHOSPHORUS UPTAKE AND RECOVERY OVER TIME
[J].
JOURNAL OF RANGE MANAGEMENT,
1979, 32 (05)
:349-353
[2]
CAMPBELL CA, 1976, 1976 P W CAN NITR S, P7
[5]
Haas H. J., 1957, USDA TECHNICAL B, V1164
[6]
Paul E. A., 1977, Soil Organic Matter Studies. Proceedings of a symposium organized by IAEA, FAO and Agrochimica. Braunschweig, September 1976. Vol. I., P149
[10]
MINERALIZATION OF NITROGEN IN GRASS ROOTS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1968, 32 (05)
:673-&