Enhanced yield and quality of onion (allium cepa l. Cv giza 6)‎ produced using organic fertilization

الملخص EN

A field experiment was conducted in 2004 / 2005 and 2005 / 2006 cropping seasons, in the Vegetables Research Station, Faculty of Agriculture, Assiut University, to evaluate yield performance of onion cv.

(Giza 6) fertilized with animal or chicken manures or mineral fertilizer.

The applied quantity of organic fertilizers was decided based on their contents of N, P and K and taking into account the recommended amounts of these nutrients.

The results obtained showed that the yield and quality of onion were significantly influenced by fertilizer types.

The highest yield of onion bulbs (7.26 and 8.82 ton / feddan for 2004 / 2005 and 2005 / 2006, respectively) was obtained by the application of chicken manure in both seasons comparing with animal manure and mineral fertilizers in 2004/2005 (7.04, 7.74, respectively) and in 2005/2006 (5.55, 7.17 ton / feddan, respectively).

Additionally, the application of chicken manure increased onions dry matter, weight of individual bulb and bulb diameter.