共 50 条
- [2] THE RECOVERY OF N-15 FROM LABELED UREA FERTILIZER IN CROP COMPONENTS OF SUGARCANE AND IN SOIL PROFILES [J]. AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH, 1994, 45 (07): : 1577 - 1585
- [4] GASEOUS NITROGEN LOSSES FROM SOIL UNDER SITKA SPRUCE FOLLOWING THE APPLICATION OF FERTILIZER N-15 UREA [J]. JOURNAL OF SOIL SCIENCE, 1988, 39 (03): : 417 - 424
- [6] DIRECTIVE N-15 SATURATION OF ORGANIC FERTILIZER FOR EXPERIMENTAL PURPOSES .2. PRODUCTION OF LIQUID MANURE LABELED N-15 [J]. ISOTOPENPRAXIS, 1982, 18 (03): : 104 - 106
- [9] ON THE UTILIZATION OF N-15 LABELED UREA IN LAYING HENS .9. N-15 INCORPORATION INTO BONES, FEATHERS AND REMAINING BODY [J]. ARCHIV FUR TIERERNAHRUNG-ARCHIVES OF ANIMAL NUTRITION, 1987, 37 (02): : 129 - 136
- [10] ON THE UTILIZATION OF N-15 LABELED UREA IN LAYING HENS .8. N-15 INCORPORATION INTO THE AMINO-ACIDS OF THE OVIDUCT [J]. ARCHIV FUR TIERERNAHRUNG-ARCHIVES OF ANIMAL NUTRITION, 1987, 37 (02): : 121 - 127