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Influence of intra-row spacing on improved maize variety at Dambi Dollo University Research Site, Western Ethiopia

Olana Gemechisa, Kitila Chala

Abstract: Maize (Zea mays L.) is one of the greatest significant grain crops in Ethiopia which ranked second only next tef in local production. However, its production is limited due to incorrect line spaces between crops. Therefore, field research was conducted at Dambi Dollo University during the 2020/2021 growing season under irrigated conditions for the production and yield of hybrid maize (BH546) with the help of optimizing spaces between rows. The test is performed using a three-dimensional Random Block Design with three replication in a single-factor test having three different line spaces (20 cm, 30 cm and 40 cm). The highest values ​​of total ears in each crop, length of the ears, total seed rows in each cob, seed in each cob, the weight of a thousand grains, seed yield, and the harvest index are recorded in wide spaces (40 cm). The performance of hybrid maize (BH546) and part of the crop, a wide range of 40 cm rows between crops can be recommended in the study area.
Keywords: growing season / maize / rows / optimizing / grain / seed / Ethiopia / ears / cob / University

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