الفهرس 
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Abstract
This investigation was carried out during two consecutive seasons of 2013/2014 and 2014/2015 seasons on the third and fourth rations of Williams banana plants (Musa cavendishii) grown in a private banana orchard situated at Kom Ombo region, Aswan Governorate. Soil is clay loam in texture and well drained with a water table depth not less than two meters. Williams banana plants are planted at 3.5 x 3.5 meters apart.
The present experiment involved two factors (nitrogen fertilization and male flowers removing). The first factor nitrogen fertilization comprised from the seven treatments as follow:
1- Application of the recommended dose of nitrogen (RDN) of 600 g/plant/year (1.8 kg ammonium nitrate/plant/year) as mineral N form (F1)
2- Application of the RDN as 25% mineral-N and 50% organic plus 25% bio (EM) fertilizers (F2).
3- Application of the RDN as 25% mineral-N and 25% organic plus 50% bio (EM) fertilizers (F3).
4- Application of the RDN ass 25% mineral-N and 50% organic plus 25% bio (bio-mex) fertilizers (F4).
5- Application of the RDN as 25% mineral-N and 25% organic plus 50% bio (bio-mex) fertilizers (F5).
6- Application of the RDN as 50% organic and 50% bio (EM) fertilizers (F6).
7- Application of the RDN as 50% organic and 50% bio (bio-mex) fertilizers (F7).
The second factor male flower removing involved the following three treatments as follow:
1- Unremoval male flower (R1)
2- Removal third of inflorescence (R2).
3- Removal half of inflorescence (R3).
Therefore, the experiment involved 21 treatments (7x3).
Inorganic N fertilizers were added at 14 equal batches from April to October at 15 days intervals. nitrogen source was ammonium nitrate (33.5% N). The organic fertilizer (compost 4.9% N) was added once in second week of December in holes 15 cm depth around each plant and covered with soil after the addition. Bio-mex and EM were added in two equal batches once at growth start and one month later. Bio-fertilizer was