Abstract
A field experiment was conducted in the Research farm of the School of Agriculture, Lovely Professional University, Punjab to find out the potential of foliar-applied nano fertilizer in improving the growth, yield and quality of Gobhi sarson (Brassica napus). The experiment was laid out in Randomized Block Design (RBD) with four replications. The experiment consisted of five treatments viz. T1: Control, T2: 50% RDF + Nano NPK (19:19:19) @ 0.2% as foliar spray at 30 DAS, T3: 75% RDF + Nano NPK (19:19:19) @ 0.2% as foliar spray at 30 DAS, T4: 100% RDF + Nano NPK (19:19:19) @ 0.2% as foliar spray at 30 DAS and T5: 125% RDF + Nano NPK (19:19:19) @ 0.2% as foliar spray at 30 DAS. The application of 100% RDF + Nano NPK (19:19:19) @ 0.2% as a foliar spray at 30 DAS (T4) recorded the highest plant height (184.75 cm), seed yield (22.80 q ha-1) and stover yield (49 q ha-1). More oil (43.32%) and protein (31.73%) content were also recorded in T4 as compared to other treatments. The overall results showed that foliar application of nano fertilizer in combination with conventional fertilizer significantly improved the growth, yield and quality of Gobhi sarson (Brassica napus).
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