Effectiveness of Seed Priming and Fertilizer Levels on Nutrient Available and Uptake in Rabi Maize
Khemendra Choudhary, Ramesh M. Pankhaniya, Mahendra Choudhary, Raghuveer Choudhary, Akshay Pareek, Satya Narayan Gurjar, Ganesha Ram
International Journal of Plant & Soil Science · pp. 1–10 · Published 12 Jul 2024
10.9734/ijpss/2024/v36i84828Abstract
The present investigation was conducted during the rabi season of 2019-20 at College of Agriculture, Navsari Agricultural University, Navsari, India. The experiment was laid out in Randomized Block Design with factorial concept (FRBD) with ten treatment combinations consisting of two factors which consists seed priming, Control (No priming), Seed priming with water for 12 hrs., Seed priming with 0.5% KCl for 12 hrs., Seed priming with 0.5% KMnO4 for 12 hrs., Seed priming with 0.5% KH2PO4 for 12 hrs and fertilizer levels, 75% RDF (112.5+45+00, N: P2O5: K2O kg/ha) and 100 RDF (150+60+00, N: P2O5: K2O kg/ha). Treatments are replicated three times. The result indicated Seed priming with 0.5% KH2PO4 for 12 hrs recorded significantly higher NPK uptake in grain (90.75, 12.99, 36.27 kg/ha respectively), straw (59.96, 13.70, 111.25 kg/ha respectively), total uptake (150.71, 26.69, 147.52 kg/ha respectively) and available NP (207.0, 39.67 kg/ha respectively) in soil after harvest of crop as compared to other treatments. In case of fertilizer levels recorded significantly higher N content in grain (1.99%) and straw (0.73%), higher NPK uptake by grain (93.48, 12.95, 36.56 kg/ha, respectively) and straw (63.39, 13.70, 112.89 kg/ha, respectively), total uptake (63.39, 13.70, 112.89 kg/ha, respectively) and available NP (212.60, 40.73 kg/ha respectively) in soil after harvest of crop in treatment of 100% RDF (150+60+00, N: P2O5: K2O kg/ha). Treatment combination S5F2: (KH2PO4 at 0.5 % for 12 hrs with 100% RDF i.e., 150+60+00, N: P2O5: K2O kg/ha) recorded significantly higher N (109.9 kg/ha) uptake by grain and total N (178.21 kg/ha) uptake by crop as compared to other treatments. Thus a combination of Seed priming 0.5% KH2PO4 for 12 hrs with 100% RDF (150+60+00, N: P2O5: K2O kg/ha) helps in increasing total NPK uptake in crop and available NP in soil after harvest of rabi maize without negative influence on plant and the environment.
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