Browsing by Author "Nasr-Alla, A."
Now showing items 1-5 of 5
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Bio-economic evaluation of African Catfish (Clarias gariepinus) interaction with Nile Tilapia (Oreochromis niloticus) in low input system and its effect on water quality
El-Naggar, G.; Nasr-Alla, A.; Ibrahim, N.A. (2010)Type: Journal ArticleThis study aims to determine the best stocking rate of African catfish (Clarias gariepinus) as a predator to control unwanted tilapia recruits in a bilyculture system and to assess the effects of that on fish growth, water ... -
A comparison of the fixed input and water quality analysis methods for optimizing fertilization requirements, minimizing costs and increasing fish production in polyculture ponds
Ibrahim, N.A.; El-Naggar, G.; Nasr-Alla, A. (2010)Type: Journal ArticleThis study aims to find a proper fertilization method to optimize nutrient requirements and a proper fertilization strategy through determining the amount as well as the period of fertilizers addition, with an aim of ... -
Economic analysis of fish farming in Behera governorate of Egypt
El-Naggar, G.; Nasr-Alla, A.; Kareem, R.O. (2008)Type: Conference PaperThis paper examines the economic analysis of fish farming in Behera governorate of Egypt. High prices of fish feed, declining fish prices and lack of finance were found to be the top ranking serious constraints facing ... -
Geïntegreerde visteelt in Egypte: ‘It’s complicated’
van der Heijden, P.G.M.; Nasr-Alla, A.; Kenawy, D. (2012)Type: Magazine ArticleEgypte is op het Afrikaanse continent het land met veruit de grootste visteeltproductie. Het grootste deel van de aquacultuurproductie bestaat uit zoetwatervissoorten. Dat deze groei kon plaatsvinden in een land waar ... -
Use of alternative sources for enhancing production in Egyptian fish farms
Nasr-Alla, A. (2010)Type: ThesisThe present study was designed to investigate the advantages and disadvantages of using different organic fertilizers on fish safety and yield and also to investigate the production performance of mixed organic and inorganic ...
