共 18 条
[3]
BOBRITSKAYA MA, 1975, SOV SOIL SCI+, V7, P386
[4]
Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149
[5]
BROADBENT F. E., 1962, SOIL SCI SOC AMER PROC, V26, P459
[6]
BROADBENT F. E., 1965, SOIL SCI SOC AMER PROC, V29, P55
[7]
REVERSION OF FERTILIZER NITROGEN IN SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (05)
:648-+
[9]
RECOVERY OF FERTILIZER NITROGEN UNDER FIELD CONDITIONS USING NITROGEN-15
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (01)
:50-&
[10]
DIEBERT DJ, 1979, AGRON J, V71, P717