Growth indices, photosynthetic parameters and productivity of barley (Hordeum vulgare) as influenced by sowing dates and cutting management

A field experiment was conducted during the winter (rabi) seasons of 2015–16 and 2016–17 at Punjab Agricultural University, Ludhiana, to study effect staggered sowing on growth indices, photosynthetic parameters productivity barley (Hordeum vulgare L.) in relation different cutting management. The laid out a split-plot design with 3 dates, viz. 15 October, 30 October November main plots 5 management, un-cut (control), cut 50 days after (DAS), 60 DAS, DAS + additional kg N/ha (N15) (N15)] subplots, replicated 4 times. results indicated that, crop sown registered highest values absolute rate (AGR) (CGR) up 120 crop-growth. Thereafter, showed higher AGR CGR than that October. Relative (RGR) days; thereafter. Fodder N15 treatments resulted negative AGR, RGR 30–60 DAS. Transpiration stomatal conductance decreased significantly progressively each delay sowing. Uncut recorded transpiration (0.53 m mol/m2 /sec), whereas lowest (0.26 /sec). Crop 11.9 47.9% more grain yield 18.3 25.2% fodder November, respectively. Control for gave similar yields, but were other cutting-management treatments.