共 20 条
[1]
AMIR Y, 1982, HASSADEH, V62, P570
[2]
[Anonymous], AGRONOMY
[3]
BARTHOLOMEW WV, 1965, AGRONOMY, V10, P285
[4]
Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149
[5]
BREMNER JM, 1965, SOIL NITROGEN, P93, DOI DOI 10.2134/AGRONMONOGR10.C3
[6]
BROADBENT FE, 1966, AGRONOMY, V10, P344
[7]
RECOVERY OF FERTILIZER NITROGEN UNDER FIELD CONDITIONS USING NITROGEN-15
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (01)
:50-&
[9]
FIEGENBAUM S, 1974, SOIL SCI, V117, P168