共 50 条
- [4] EFFECT OF CLOSING DATE ON POTENTIAL SEED YIELDS FROM GRASSLANDS HUIA AND GRASSLANDS PITAU WHITE CLOVERS NEW ZEALAND JOURNAL OF EXPERIMENTAL AGRICULTURE, 1979, 7 (03): : 303 - 306
- [6] NITROGEN-FIXATION BY WHITE CLOVER (TRIFOLIUM-REPENS) IN GRASSLANDS ON SOILS CONTAMINATED WITH CADMIUM, LEAD AND ZINC JOURNAL OF SOIL SCIENCE, 1983, 34 (01): : 127 - 136
- [7] NITROGEN-FIXATION OF YELLOW LUPINE UNDER DIFFERENT SUPPLEMENT OF MINERAL NITROGEN IZVESTIYA AKADEMII NAUK SSSR SERIYA BIOLOGICHESKAYA, 1978, (05): : 754 - 760
- [8] ESTIMATED NITROGEN-FIXATION AND PROTEIN-PRODUCTION OF COOL-SEASON ANNUAL CLOVERS TEXAS AGRICULTURAL EXPERIMENT STATION PROGRESS REPORT, 1980, (3686): : 1 - 5