共 50 条
- [1] HERBIVORY IN RELATION TO PLANT NITROGEN-CONTENT ANNUAL REVIEW OF ECOLOGY AND SYSTEMATICS, 1980, 11 : 119 - 161
- [3] METHODS OF DETERMINING THE NITROGEN-CONTENT IN PLANT MATERIALS ROSTLINNA VYROBA, 1989, 35 (07): : 781 - 783
- [5] HOP FERTILIZATION AND THE USE OF SOIL ANALYSES FOR MINERAL NITROGEN-CONTENT ROSTLINNA VYROBA, 1989, 35 (05): : 539 - 544