共 17 条
[1]
Bremner J.M, 1986, AM SOC AGRONOMY, P175
[2]
ECKERT DJ, 1987, J FERT ISSUES, V4, P13
[3]
FAIRLIE TE, 1986, J FERT ISSUES, V3, P86
[4]
FOX RH, 1987, J FERT ISSUES, V4, P7
[5]
GASCHO GJ, 1987, J FERT ISSUES, V4, P86
[6]
GASCHO GJ, 1986, J FERT ISSUES, V3, P62
[8]
GOOS RJ, 1985, J FERT ISSUES, V2, P38
[9]
DETERMINATION AND ISOTOPE-RATIO ANALYSIS OF DIFFERENT FORMS OF NITROGEN IN SOILS .7. UREA
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1967, 31 (03)
:317-&
[10]
LAMOND RE, 1984, J FERT ISSUES, V1, P91