A field experiment was carried out during the two
successive seasons of 2012/2013 and 2013/2014 to study the effect of
compost and biofertilizers, as well as, some vitamins and their
interaction on Gladiolus grandiflorus cv. Carmen plant.
Results showed that vegetative growth (leaf length, number of
leaves/plant and dry weight of leaves/plant), flowering aspects (length
of spike, number of florets/spike and lower floret diameter) and corms
productivity (corm diameter, corm dry weight and number of cormels
per plant) were gradually increased by increasing the level of compost
fertilizer.
All biofertilizers and vitamins treatments significantly increased all
vegetative growth characters, flowering parameters and corm and
cormels productivity in comparison with the control. Effective
microorganisms (E.M.) + active dry yeast (A.Y.) treatment seemed to
be more effective than other treatments in this concern.
The use of high level of compost (21 ton/fed) in combination with
combined biofertilizers noticeably improved the different vegetative
growth characters, flowering parameters and corms productivity of
gladiolus.