STUDIES ON THE EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON GROWTH, YIELD AND QUALITY OF CARROT cv. KURODA IMPROVED UNDER SOUTHERN TELANGANA CONDITIONS
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Date
2018-12-28
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SRI KONDA LAXMAN TELANGANA STATE HORTICULTURAL UNIVERSITY,MOJERLA
Abstract
The present investigation entitled “Studies on the effect of integrated
nutrient management (INM) on growth, yield and quality of carrot (Daucas
carota L.) cv. Kuroda improved under Southern Telangana conditions’’ was
carried out during the rabi season of the year 2017-18 at College of Horticulture,
Mojerla.
The results related to vegetative parameters revealed that, among different
integrated nutrient management treatments, T9 treatment (25 % RDF + 50 %
FYM @ 6 t/ha + 50 % Vermicompost @ 3 t/ha + 50 % Rhizosphere Bacteria)
registered significantly higher plant height (53.50 cm), more number of leaves
per plant (16.40), maximum leaf length (38.20 cm) and fresh weight of leaves
(62.46 g) as compared to the other treatments.
All treatments differed significantly with respect to yield parameters, T9
treatment (25 % RDF + 50 % FYM @ 6 t/ha + 50 % Vermicompost @ 3 t/ha +
50 % Rhizosphere Bacteria) recorded less number of days taken to harvest (75.33
days), maximum root length (19.76 cm) and root diameter (3.96 cm), fresh
weight of root (81.33 g), root yield per plot (5.60 kg) and root yield per hectare
(18.60 t) over other treatments.
The results pertaining to quality parameters indicated that higher
percentage of total soluble solids (12.40 %), ascorbic acid content (5.33 mg/100
g), carotene content (4.73 mg/100 g) and cortex to core ratio (0.90) were
recorded in T9 treatment (25 % RDF + 50 % FYM @ 6 t/ha + 50 %
Vermicompost @ 3 t/ha + 50 % Rhizosphere Bacteria) while lower percentage of
cracked roots (3.83 %) and forked roots (3.70%) were recorded in T2 treatment
(FYM 12 t/ha) and T3 treatments (Vermicompost @ 6 t/ha) respectively.
The data on economics of integrated nutrient management treatments
showed that among the treatments, T9 treatment (25 % RDF + 50 % FYM @ 6
t/ha + 50 % Vermicompost @ 3 t/ha + 50 % Rhizosphere Bacteria) recorded
higher gross return (Rs. 3,72,000), net return (Rs. 2,99,467) and best benefit cost
ratio (4.13) over other treatments.
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