共 50 条
- [2] Effect of nitrogen, farmyard manure and non-symbiotic nitrogen-fixing bacteria on yield, nutrient uptake and soil fertility in upland rice (Oryza sativa) INDIAN JOURNAL OF AGRICULTURAL SCIENCES, 2007, 77 (06): : 335 - 339
- [5] NON-SYMBIOTIC NITROGEN-FIXATION BY RHIZOBIA JOURNAL OF SCIENTIFIC & INDUSTRIAL RESEARCH, 1982, 41 (08): : 507 - 513