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- [43] GRASSLAND PRODUCTIVITY .4. EFFECT OF POTASSIUM ON HERBAGE DM YIELD AT 26 SITES IRISH JOURNAL OF AGRICULTURAL RESEARCH, 1977, 16 (01): : 1 - 10
- [45] EFFECT OF DIFFERENT LEVELS OF NITROGEN, PHOSPHORUS AND POTASSIUM ON THE GROWTH AND YIELD OF HYBRID SORGHUM, CSH-1 MYSORE JOURNAL OF AGRICULTURAL SCIENCES, 1978, 12 (04): : 566 - 568
- [46] RESPONSES OF RYEGRASS, BROWNTOP, AND AN UNIMPROVED RESIDENT PASTURE IN HILL COUNTRY, TO NITROGEN, PHOSPHORUS, AND POTASSIUM FERTILIZERS .1. PASTURE PRODUCTION NEW ZEALAND JOURNAL OF EXPERIMENTAL AGRICULTURE, 1981, 9 (3-4): : 227 - 236
- [49] REDUCING FERTILIZER REQUIREMENTS FOR HYBRID SQUASH (CUCURBITA-MAXIMA L) WITH LOCALIZED APPLICATIONS OF PHOSPHORUS AND POTASSIUM AND USE OF PARTIALLY ACIDULATED PHOSPHATE ROCK FERTILIZER RESEARCH, 1987, 13 (02): : 169 - 180