Effect of different levels of nitrogen and organic fertilizers and their combination on vegetative growth and chemical content of onion
DOI:
https://doi.org/10.54172/mjsc.v24i1.400Abstract
Two field experiments were carried out during 2006 and 2007 seasons, at the Experimental Farm of Horticulture Department Faculty of Agriculture, Omar ALMukhtar University, AL-Beida, AL-Gabal AL-AKhder region. The study conducted in order to investigate the effects of soil fertilization with organic manure (0, 7, 14 and 21 t/ha), inorganic nitrogen (0, 50, 75 and 100 kgiha) and their interaction on vegetative growth characteristics as well as some chemical contents of leaves of onion (Alluim cepa L.) Giza 20 variety.
The obtained results could be summarized as follow Application of chicken manure or nitrogen fertilizers each alone resulted in significant increase of most studied traits of vegetative growth, as well as leaves NPK contents comparing to untreated control. Combining of N at rate of 100 kg N ha with chicken manure at rate of 21 t/ha exceeded the benefits of each alone and significantly increased number and weight of plant leaves and their NPK contents in the hvo seasons, comparing to the other combinations treatments.
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