PERFORMANCE OF CHERRY TOMATO [Solanum lycopersicum L. var. cerasiforme (Dunnal) A. Gray] UNDER OPEN FIELD AND POLYHOUSE CONDITIONS WITH VARIED LEVELS OF NITROGEN AND PHOSPHORUS FERTIGATION
Loading...
Date
2017-12-27
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BENGALURU
Abstract
The investigation on “Performance of cherry tomato [Solanum lycopersicum L
var. cerasiforme (Dunnal) A. Gray] under open and polyhouse conditions with varied
levels of nitrogen and phosphorus fertigation” was carried out at the Department of
Horticulture, University of Agricultural Sciences, Bangalore during summer 2017. There
were 12 treatment combinations comprising of two growing conditions (open field and
polyhouse), three levels of nitrogen (120, 150 and 180 kg N ha-1) and two levels of
phosphorus (100 and 120 kg P2O5 ha-1) supplied through fertigation with recommended
potassium (150 kg ha-1) as a common dose. The experiment was laid out in Factorial
Randomized Complete Block Design with three replications. Result revealed that plant
height and number of leaves per plant at 120 DAT (384.39 cm and 49.33 respectively),
fresh and dry weights (3.00 kg and 446.51 g plant-1, respectively), nitrogen balance index
(48.56), total leaf area per plant (6293 cm2), mean fruit weight (15.84 g), TSS content
(6.30 ºB), shelf life (15.66 days) and uptake of nitrogen, phosphorus and potassium
(181.41, 30.72 and 159.88 kg ha-1 respectively) were significantly higher under
polyhouse condition with fertigation level of 180:120 kg N:P2O5 ha-1 (C1N3P2). However,
significantly higher number of fruits per plant (316.63), yield per plant (4.46 kg), yield
per hectare (78.16 t), Shelf life (15.66 days), net returns ha-1 (Rs.1294081) and cost
benefit ratio (4.81) were observed under open field condition with fertigation level of
150:120 kg N: P2O5 ha-1 (C2N2P2). Further, it can be concluded from the study that
application of 150:120 kg N: P2O5 ha-1 through fertigation under open field condition is
profitable especially during summer season in the Eastern Dry Zone of Karnataka.
Description
Keywords
null