Effect of Nitrogen Levels and Seaweed Extract (Kappaphycus alvarezii) on Growth and Yield of Summer Maize (Zea mays L.)
Bhetala Magi Jerusha, Shikha Singh
International Journal of Plant & Soil Science · pp. 1313–1321 · Published 6 Sep 2022
10.9734/ijpss/2022/v34i2231501Abstract
The trail was conducted in Crop Research Farm, Department of Agronomy of Naini Agricultural Institute, SHUATS, Prayagraj (U.P), during Zaid 2022. The experiment consists of three Nitrogen levels i.e., 50%, 75% and 100% N along with Seaweed extract (Kappaphycus alvarezii) applied at different Concentration i.e., 5%, 10% and 15%. The experiment was laid out in Randomized block Design with ten treatments each replicated thrice. The results showed that plant height (165.73 cm) and dry weight (88.13 g/plant), were recorded significantly highest in the treatment 7 which is with the application of 100% Nitrogen + 15% K-sap as compared to all other treatments. The significantly highest number of cobs/plant (3), number of rows/cob (14.47), grains/row (28.27), grain yield (4.05 t/ha), stover yield (15.37 t/ha), and seed index (26.2) were recorded with application of 100% Nitrogen + 15% K-sap as compared to all other treatments.
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