Effect of sowing methods and spacings on growth and yield attributes of spring maize (Zea mays L.) in Parbat, Nepal
DOI:
https://doi.org/10.26832/24566632.2025.100206Keywords:
Maize, Maximize, Production, Sowing method, Spacing, Yield attributesAbstract
The study was conducted in Phalewas Municipality, Parbat district, Nepal to assess the effect of two sowing methods (ridge bed and raised bed) and four plant spacings (60×15 cm, 60×20 cm, 60×25 cm and 60×30 cm) on growth and yield characteristics of spring maize for improving the maize yield. This experiment aimed to identify adequate sowing method and optimum spacing using a randomized complete block design with three replications. Results of this study showed that yield attributing characteristics per plant was significantly (p<0.05) impacted with decrement in plant spacing up to 60×15 cm. Likewise, number of cobs per plant, ear length, ear circumference, number of kernels per row, grains per cob was found significantly at par up to 60×20 cm spacing but significantly (p<0.05) higher than 60×15 cm. 60×20 cm spacing was found to have the highest impact on biometrical as well as yield attributes. The grain yield (6.53 Mt/ha) was significantly (p<0.05) higher at 60×20 cm than at 60×25 cm and 60×30 cm but at par with 60×15 cm. There was no discernible effect of the sowing method on the metrics of grain yield between ridge bed and raised bed sowing. However, both bed sowing methods significantly (p<0.05) improved the grain yield of maize (5.78 Mt/ha), compared to the farmer's practice in Parbat district. Therefore, this study suggested that farmers of Parbat can combine 60×20 cm plant spacing with bed sowing methods to maximize the production of maize.
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