Effect of spacing and nitrogen levels on growth, yield and quality of ajwain (Trachyspermum ammi L. Sprague)
191
Authors
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I. S. Naruka, P. P. Singh, Megha Barde, and S.S. Rathore
Department of Plantation and Spice Crops, College of Horticulture, Mandsaur - 458001 (M.P.) India
Author
Keywords:
Ajowan, Growth, Nitrogen, Quality, Spacing, YieldAbstract
An experiment was conducted during rabi season of 2008-09 at Farm, College of Horticulture, Mandsaur
to study the effect of spacing and nitrogen on the productivity and quality of ajowan. The experiment was
consisting of 3 spacing (45 x 10 cm, 45 x 20 cm and 45 x 30 cm ) and 4 levels of nitrogen (0, 20, 40 and 60 Kg
N ha-1). Wider 45 x 30 cm spacing significantly increased the number of primary and secondary branches per
plant at harvest, fresh weight per plant (g), dry weight per plant, days to 50% flowering, number of umbels
per plant, number of umbellets per umbel, yield per plant (g) chlorophyll content of leaves (mg g-1), carotenoids
content of leaves (mg g-1) and essential oil of seed (ml 100 g-1) expect plant height (cm), seed yield (q ha-1),
straw yield (q ha-1) and biological yield (q ha-1), these attributes are maximum in 45 x 10 cm spacing. Whereas
non significant effect was observed on test weight (g) and harvest index (%). Among various levels of nitrogen
tried 60 kg ha-1 exhibit growth, yield and quality attributes. The maximum benefit: cost ratio (6.26:1) was
found with “45 x 30 cm + 60 Kg N ha-1” treatment combination.
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