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Mahmoud,, H., Sedera, F., Yousef, S. (2000). EFFECT OF ORGANIC AND INORGANIC FERTILIZERS ON ONION CROP. Journal of Plant Production, 25(9), 5813-5830. doi: 10.21608/jpp.2000.259735
Hosna A. F. Mahmoud,; F. A. Sedera; Shadia B. D. Yousef. "EFFECT OF ORGANIC AND INORGANIC FERTILIZERS ON ONION CROP". Journal of Plant Production, 25, 9, 2000, 5813-5830. doi: 10.21608/jpp.2000.259735
Mahmoud,, H., Sedera, F., Yousef, S. (2000). 'EFFECT OF ORGANIC AND INORGANIC FERTILIZERS ON ONION CROP', Journal of Plant Production, 25(9), pp. 5813-5830. doi: 10.21608/jpp.2000.259735
Mahmoud,, H., Sedera, F., Yousef, S. EFFECT OF ORGANIC AND INORGANIC FERTILIZERS ON ONION CROP. Journal of Plant Production, 2000; 25(9): 5813-5830. doi: 10.21608/jpp.2000.259735

EFFECT OF ORGANIC AND INORGANIC FERTILIZERS ON ONION CROP

Article 6, Volume 25, Issue 9, September 2000, Page 5813-5830  XML PDF (736.71 K)
Document Type: Original Article
DOI: 10.21608/jpp.2000.259735
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Authors
Hosna A. F. Mahmoud,1; F. A. Sedera2; Shadia B. D. Yousef1
1Vegetable Dept., Fac. of Agric. Moshtohor, Zagazig Univ.
2Plant production Dept., Desert Research Center
Abstract
Onion  plants (Giza 20 cv.) were grown in 1997-1998 and 1998-1999 seasons in Maryout Experimental Station of Desert Research Center , Alexandria Governorate to study the effect of FYM and town refuse fertilization treatments on onion plants before transplanting at rates of 10 and 20 ton/fad. for each, in addition to  the control. NPK fertilizers were applied at rates of 40 N: 30 P2O5 :50 K2O , 60 N: 45 P2O5  :75 K2O and 80 N: 60 P2O5  :100 K2O kg/fad.The combination between organic manure and NPK treatments were also studied .
Obtained results show that, organic manures or / and NPK treatments showed a significant increase in growth parameters, total yield, fresh and dry weight of bulb and bulb diameter . Chemical composition determined as N,P,K,Pb,Cd and Ni content,as well as T.S.S percentage in onion bulbs increased significantly due to treatments as compared with the control. The highest values and best quality concerning the  previous characters was obtained in plants which  received 20 ton/ fad of  town refuse in addition to 60 N, 45 P2O5  and 75 K2O kg/fad.
The increase in heavy metals content in onion bulbs was within the  safety  limits for human consumption .
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