共 12 条
[1]
Bartholomew W.V., 1965, SOIL NITROGEN
[2]
BARTHOLOMEW WV, 1965, SOIL NITROGEN ED
[3]
BOWER CA, 1950, SOIL SCI SOC AM PRO, V15, P119
[4]
INTERCHANGE BETWEEN INORGANIC AND ORGANIC NITROGEN IN SOILS
[J].
HILGARDIA,
1966, 37 (06)
:165-&
[5]
BROADBENT F. E., 1965, SOIL SCI SOC AMER PROC, V29, P55
[6]
BROADBENT F. E., 1965, SOIL SCI SOC AMER PROC, V29, P692
[7]
Jansson S. L., 1958, ANN ROYAL AGR COLL S, V24, P101
[8]
JANSSON SVEN L., 1963, SOIL SCI, V95, P31, DOI 10.1097/00010694-196301000-00006
[9]
KIRKHAM DON, 1955, SOIL SCI SOC AMER PROC, V19, P189
[10]
Mattson Sante, 1943, LANTBRUKSHOGSKOLANS ANNALER, V11, P107