Yield, quality, nutrient and water use efficiency of tomato as affected by different fertigation rates through drip irrigation system
2017
, Ankush | Sharma, S.K.
An experiment was carried out to study the impact of drip fertigation in tomato crop at RCA, MPUAT, Udaipur during rabi season 2015–16 in split plot designed with three irrigation schedules [100 (I1), 75 (I₂) and 50% PE (I₃) through drip] and five fertilization schedules [100% RDF (F1), 75% RDF (F₂), 75% RDF + 2 foliar spray of 1% urea phosphate (F₃), 50% RDF (F), 50% RDF + 2 foliar spray of 1% urea phosphate (F₅)]. Higher number of nodes per plant (21.20 and 19.89) and yield (169.03 and 186.38 q/ha) were registered with treatments receiving drip irrigation at 75% PE and 75% RDF through fertigation + 2 foliar spray of 1% urea phosphate, respectively. Quality characteristics were enhanced with combined use of I₂F₃ treatment. The highest water use efficiency i.e. 26.37 ka/ha-cm was recorded under I₃F₃ treatment and fertilizer use efficiency with I₂F₅ treatment combination (165.78, 254.31 and 381.46 kg/kg NPK, respectively).
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