Evaluation of seedling age and nutrient sources on phenology,yield and agrometeorological indices for sweet corn (Zea mays saccharata L.) |
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| Authors: | Bisma Jan M Anwar Bhat Tauseef A Bhat Munazah Yaqoob Aijaz Nazir M Ashraf Bhat Amir H Mir Fehim J Wani Jitendra Kumar Singh Rajesh Kumar Kristina Gasparovic Xiaolan He Omaima Nasif Ali Tan Kee Zuan |
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| Institution: | 1. Faculty of Agriculture, Wadura Sopore, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, 193201, India;2. Department of Education, Hindu College Moradabad (Mahatma Jyotiba Phule Rohilkhand University Bareilly), 244001, India;3. Department of History, Hindu College Moradabad (Mahatma Jyotiba Phule Rohilkhand University Bareilly), 244001, India;4. Department of Plant Physiology, Slovak University of Agriculture, A.Hlinku 2, 94976, Slovakia;5. Jiangsu Academy of Agricultural Sciences, Nanjing, China;6. Department of Physiology, College of Medicine and King Khalid University Hospital, King Saud University, Medical City, PO Box-2925, Riyadh 11461, Saudi Arabia;7. Department of Land Management, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia |
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| Abstract: | The field experiment was conducted during Kharif season of 2020 at Agronomy farm of Faculty of Agriculture, Wadura, SKUAST-K to study the influence of age of seedling and sources of nutrients on phenology, yield and agrometeorological indices for sweet corn. The experiment included two factors viz. age of seedlings (12, 22 and 32 days old seedling) and sources of nutrients (control, RDF, 50 percent RDF + FYM @ 12 t ha−1, 50 percent RDF + vermi-compost @ 4 t ha−1 and 50 percent RDF + poultry manure @ 2 t ha−1) tested in RCBD with three replications. Transplanting 12 days old seedlings required maximum number of days to attain different phenological stages, thereby accumulated maximum heat units followed by 22 days old seedlings. While as transplanting 22 days old seedling recorded significantly highest HUE, HTUE, PTUE and HyTUE and consequently resulted in the highest green cob and biological yield compared to other ages of seedlings. Among various sources of nutrients, application of 50 per cent RDF + poultry manure @ 2 t ha−1 took maximum number of days to attain various phenophases thereby accumulated maximum heat units and registered highest HUE, HTUE, PTUE and HyTUE followed by application of 100 per cent RDF. |
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| Keywords: | Agrometeorological indices Growing degree days Phenology Sweet corn Yield |
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