Abstract:
The field experiment was conducted during the period of November 2016 to January
2017 at Horticulture farm of Sher-e-Bangla Agricultural University Dhaka-1207,
Bangladesh. Four levels of organic and inorganic fertilizers viz., F
1
:
Recommended doses of NPK (N=125kg/ha, P=60kg/ha, K=110kg/ha), F
3
Recommended dose of poultry manure (11 t/ha), F
4
: ½ recommended doses of NPK+
½ recommended doses of poultry manure; and three levels of mulches i.e. M
1
:
Control, M
2
: White polythene mulch, M
3
: Black polythene mulch were used in the
experiment. Result indicated that the vegetative growth of kohlrabi i.e. plants height
(cm), number of leaves plant
-1
, knob diameter (cm), knob weight with leaves (g),
knob weight without leaves (g), root length (cm), and yield plot
-1
: Control, F
2
(kg) and yield ha
(t
ha
-1
) were highest in case of F
4
treatment and M
2
treatment. The combined effect of
F
4
M
2
produced the superior result for all vegetative growth and yield of kohlrabi.