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The present study highlights on graded levels of NPK on growth and yield of parthenocarpic cucumber (Cucumis sativus L.) under naturally ventilated polyhouse condition. The graded level of NPK applied in parthenocarpic Cucumber (Cucumis sativus L.) under naturally ventilated polyhouse condition. The results in nutshell indicated that the growth, yield, quality, nutrient availability, nutrient uptake were significantly influenced by application of 125% NPK RDF of cucumber crop. The growth parameters viz., plant height 74.44, 99.18, 131, 153 and 194.58 cm at 30 DAT, 45 DAT, 60 DAT, 75 DAT and 90 DAT, Number of primary branches 8.24, 10.96, 15.40, 17.60 and 20.02 at 30 DAT, 45 DAT, 60 DAT, 75 DAT and 90 DAT, leaf area 163, 242.33, 307, 387.33 and 492.33 cm2 30 DAT, 45 DAT, 60 DAT, 75 DAT and 90 DAT, internodal distance, fruit length, fruit weight, fruit diameter, dry matter content, chlorophyll – a, chlorophyll – b and total chlorophyll content, number of leaves significantly increased with application of 125 % RDF with 7 days of intervals. Significantly higher number of fruits plant-1, number of primary branches, fruit yield plot-1, Leaf area and fruit yield ha-1, with application of 125 % RDF with 7 days of intervals. The improvement in quality parameters were recorded with application of 125 % RDF with 7 days of intervals. followed by treatments T6, T7, (100 % RDF with 2 and 7 days of intervals upto 90 DAT) and T8 (125% of RDF 2 days of interval up to 90 DAT).
Chavan et al. (2024) studied this question.