![]() ![]() The highest leaf number (13.9) obtained from variety Nafis with intra-row spacing of 13 cm. Leaf number per plant was significantly affected by interaction of variety and intra-row spacing. The results of the study showed that both variety and intra-row spacing had a significant effect (P˂0.05) on all parameters, except for the leaf diameter which was only affected by intra-row spacing. ![]() The experiment was designed in RCBD with three replications. Four onion varieties (Adama Red, Nafis, Melkam and Nasik Red) and three intra-row spacing (7,10 and 13 cm) with inter-row spacing of 20 cm. The study was conducted under irrigation during the year 2016/2017 at Jimma University College of Agriculture and Veterinary Medicine, on experimental site of horticultural crops. The present study therefore, has been designed to investigate the influence of variety, intra-row spacing and their possible interaction on growth and yield of onion. ![]() In appropriate use of plant spacing and lack of evaluation of improved varieties across agro ecologies are the predominant agronomic practices that reduce the productivity of onion. ![]()
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