RESPONSE OF MARJORAM PLANTS TO SOME AGRICULTURAL TREATMENTS | ||||
| Journal of Plant Production | ||||
| Article 3, Volume 5, Issue 4, April 2014, Page 555-572 PDF (868.56 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2014.53721 | ||||
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| Authors | ||||
| M. A. H. Abdou1; M. N. Sharaf El - Din2; H. A. Hussein2; Rokaia M. Dardeer2 | ||||
| 1Dept. of Hort. Fac. Agric., Minia Univ. | ||||
| 2Dept. of Veget. and Flori., Mansoura Univ. | ||||
| Abstract | ||||
| A field experiment was carried out during 2010/2011 and 2011/2012 seasons at the Experimental Farm of Fac. of Agric. Minia Univ. in order to investigate the response of sweet marjoram plants to compost, bio- and/or mineral NPK fertilization treatments. The obtained data revealed that the vegetative growth traits (plant height, number of branches, herb fresh and dry weight per plant/cut and /plant/season) and essential oil parameters (oil %, oil yield/plant/cut and /plant/season), as well as, chemical constituents (total chlorophylls and N, P and K %) were significantly increased due to the application of compost at different levels over those of control treatment. The maximum values were recorded at the medium level of compost (10 ton/fed.). Vegetative growth traits, essential oil productivity parameters and chemical determinations were significantly augmented as a result of using the six treatments of bio+ and/or mineral NPK. The most effective treatment in this concern was phosphorein-Minia Azotein + 75 % NPK followed by mineral NPK (full dose) with significant differences between them in most cases. It could be recommended to supply marjoram plants with compost at 10 ton/fed. in combination with phosphorein + Minia Azotein + 75 % NPK to maximize herb and oil productivity and their chemical constituents. | ||||
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