Spatial and Temporal Arrangement of Hybrid Maize for Assesment of Phenology and Agrometeorological Indices

A field trial was conducted during the Kharif season of 2020 to assess effect spatial and temporal crop geometry on phenology, yield agro meteorological indices hybrid maize at Agronomy Research Farm, FoA Wadura, Sopore, SKUAST-Kashmir. The experiment carried out in split- split plot design with dates sowing (17th SMW; D1), 19th D2 21st D3) as main treatments; varied row spacing (50 cm × 20 cm; S1, 60 cm× S2 70 ×20 S3) sub- treatments two hybrids (Hytech- 5801;H1 YSH- 1; H2) sub treatments. Results indicated that Hyteh- 5801 sown 17th SMW observed highest grain biological took greater days reach different phenological stages, thereby piled higher heat units, PTUs, HTUs, HyTUs, PTI followed by SMW. plant maximum for reaching phenophases accumulated PTI. Thermal use efficiencies were ((HTUE, PTUE, HyTUE HUE)) when Hytech-5801was based thermal showed response row-spacing 50 whereas under cm×20 spacing.