EFFECT OF DIFFERENT LEVELS OF NITROGEN AND POTASSIUM ON SUNFLOWER PRODUCTION | ||
| Egyptian Journal of Agricultural Research | ||
| Volume 72, Issue 3, September 1994, Pages 627-634 PDF (1.83 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.1994.452069 | ||
| Authors | ||
| ABDEL-MONEM Y. EL-BASHBISHY; ABDEL-WAHED Y. NEGM; MOHAMED H. RABIE | ||
| Soil and water Research Institute, Agricultural Research Centre, Giza, Egypt. | ||
| Abstract | ||
| Two field trials were carried out at Giza Governorate during 1990 and 1991 seasons to study the effect of four levels of nitrogen i. e. 30, 45, 60, and 75kg N/fed. and three levels of potassium, i.e. 0, 24 and 48kg K20/fed on sunflower yield and its components as well as oil yield. Results indicated that nitrogen levels significantly increased plant height, head diameter, seed yield/plant, 1 00-seed weight and seed yield /feddan as well as oil yield/feddan, while seed oil content was depressed. Application of 60 kg N/fed. produced the highest significant seed and oil yields /fed. Seed and oil yield/ fed. as well as seed oil content were increased by adding potassium levels, and 48kg K20/fed produced the highest yield of seed and oil/fed. However , no signifcant difference was found in most cases between 24 and 48 kg K20/fed. | ||
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