INFLUENCE OF SOME MACRO- AND MICRONUTRIENTS FERTILIZATION ON PRODUCTIVITY AND QUALITY OF FORAGE SORGHUM | ||||
| Journal of Plant Production | ||||
| Article 1, Volume 25, Issue 12, December 2000, Page 7315-7324 PDF (376.87 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2000.260233 | ||||
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| Authors | ||||
| A. S. Osman,1; T. K. Abd El-Aziz2; Amal A. Helmy2 | ||||
| 1Soil, Water and Environment Res. Inst., ARC, Giza, Egypt | ||||
| 2Field Crop Res. Inst., ARC, Giza, Egypt | ||||
| Abstract | ||||
| This work was conducted in Giza Experimental Agricultural Research Station, Agricultural Research Center (ARC), to study the influence of macronutrients fertilization of N (60, 90 and 120 Kg N/fed), P (10, 20 and 30 Kg P2O5/fed), K ( 25, 50 and 75 Kg K2O/fed) as well as micronutrients treatments of Zn, Fe (0.3 g/l) and their mixture in addition to untreated control on the productivity and quality of forage sorghum sudan hybrid cultivar 102 during 1998 and 1999 growing seasons. The results showed that application of 90N+20P+50K fertilization as kg/fed. resulted in a significant increase of plant height, leaf area, dry forage yield, protein, fiber and ash yields of the three cuts and increased Zn and Fe uptake. Zn and Fe application mixture as foliar spray led to significant increase of the all studied characters at the three cuts. At the same time, the highest plant height, leaf area, dry forage, protein, fiber and ash yield of the three cuts and Zn and Fe uptake were obtained by 90 N + 20 P + 50 K with Zn and Fe mixture. The dry forage yield showed positive and high by significant correlation with all characters under study. | ||||
| Keywords | ||||
| Nitrogen; Phosphorus; Potassium; Micronutrients; Sorghum | ||||
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