Response of mustard [brassica juncea (l.) czernj and cosson] varieties to date of sowing and row spacing in northern transition zone of Karnataka
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Date
2008
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UAS, Dharwad
Abstract
A field experiment was conducted during rabi 2006 at Main Agricultural Research
Station, University of Agricultural Sciences, Dharwad to study the response of mustard
varieties to date of sowing and row spacing. The soil texture of the experimental site was clay
with medium available nitrogen (209 kg/ha), phosphorus (30 kg/ha) and potassium (338
kg/ha). There were 12 treatment combinations consisting of three varieties (Pusa Agram,
Pusa Mahak and EJ-15), two sowing dates (II fortnight of September and I fortnight of
October) and two row spacings (30 cm and 45 cm) and the experiment was laid out in
Randomized Complete Block Design (RCBD) with factorial concept with three replications.
The mustard variety Pusa Agram recorded significantly higher seed yield (1028
kg/ha) and oil yield (447.11 kg/ha). Early sowing during II fortnight of September recorded
significantly higher seed yield (888 kg/ha) and oil yield (387.74 kg/ha). Row spacing of 30
cm recorded significantly higher seed yield (874 kg/ha) and oil yield (383.56 kg/ha).
The performance of mustard with respect to growth and yield parameters was
significantly superior with variety Pusa Agram, II fortnight of September sowing and 30 cm
row spacing. Significantly higher net returns and B:C ratio were recorded with variety Pusa
Agram (16081 Rs./ha and 2.14), early sowing during II fortnight of September ((13079
Rs./ha and 1.78) and 30 cm row spacing (12600 Rs./ha and 1.68).
It can be concluded that mustard seed yield (1326 kg/ha), oil yield (570.03 kg/ha), net
returns (23107 Rs./ha) and B:C ratio (3.12) were higher with variety Pusa Agram sown
during II fortnight of September at 30 cm row spacing.
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Agronomy