The field experimental study was carried out under naturally ventilated polyhouse during rainy season at Technology park of CTAE, Udaipur to study the influence of irrigation and fertigation level on growth and yield attributes of cucumber. The experiment consisted of 9 treatment combination with 3 replications in randomized block design. The treatments include 3 irrigation levels viz. 100%, 80% and 60% ET through drip and 3 levels of fertilizer application viz. 120%, 100%,80% RDF of NPK through fertigation. The effects of different treatments recorded the significant effect on growth and yield attributes of cucumber. Maximum average plant height (365.07 cm), maximum number of leaves per plant (39.8), days to 50% flowering (30.67), days to first harvest (42.67), average length of fruit (14.88cm), average diameter of fruit (3.71 cm)were reported in treatment T₅ (drip irrigation with 80% ETc and fertigation at 100% RDF) as compared to other treatments. However maximum individual weight of fruit (130.98 gm), number of fruits per plant (23.40), Maximum yield of fruit (158.28tonnes/ha) were observed in T₅treatment respectively. By considering all the aspects treatment T₅ was observed best among all other treatments.

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