EFFECT OF CHEMICAL, BIO AND ORGANIC FERTILIZERS ON GROWTH AND YIELD AND BULB QUALITY OF ONION PLANTS GROWN IN ZAWIA REGION, LIBYA | ||||
| Journal of Productivity and Development | ||||
| Article 1, Volume 19, Issue 2, April 2014, Page 113-122 PDF (375.22 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpd.2014.42629 | ||||
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| Authors | ||||
| Ahlam, , F. Rashed Rashed Rashed1; Essam Abou El-Salehein2; Ahlam Rashed1 | ||||
| 1Faculty of Science, Botany Department, Zawia University, Zawia, Libya. | ||||
| 2Faculty of Veterinary and Agricultural Science, Plant Prod. Department, Zawia University, Zawia, Libya. | ||||
| Abstract | ||||
| This investigation was conducted during the two successive winter seasons of 2011/2012 and 2012/2013 at Private Farm, ZawiaZone, Libya, to study the performance of onion cv. Early Texas Grano SR 502 to chemical fertilizer of hakaphos, biofertilizer of nitrobein and organic fertilizerof sheep manure and some its combined effect on growth, bulb yield and quality of onion.Application of the triple treatment of hakaphos + sheep manure+nitrobein caused significantly increases on plant growth characters , bulb yield and its quality (the nutritive value of bulb) in both growing seasons, followed by Hakaphos with nitrobein and /or sheep manure treatments in most cases of studied characters. Conclusively, it can be recommended from the obtained results that treating of onion plants with the triple treatment of Hakaphos, nitrobein and sheep manure, followed by mixture of Hakaphes and nitrobein or sheep manure enhancing plant growth characters , bulb yield and its components, as well as, the nutritive value of bulbs , in most two growing seasons. | ||||
| Keywords | ||||
| Onion; Hakaphos; Nitrobein; sheep manure yield; marketable; culls | ||||
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