Optimizing Plant Spacing to Enhance Maize Yield

The impact of plant spacing on maize yield is crucial for optimizing agronomic practices and improving productivity. This study was conducted to evaluate the effects of different plant spacings on the yield attributes of maize (Zea mays L.) variety BARI Maize-5. This study evaluates four plant spacings: 75 cm × 25 cm, 75 cm × 20 cm, 60 cm × 25 cm, and 60 cm × 20 cm. in a randomized complete block design with three replications. Results demonstrated that plant spacing significantly affects maize yield attributes and overall yield. The 75 cm × 25 cm spacing produced the highest number of cobs plant-1 (1.44), grains cob-1 (530.39), thousand-grain weight (131.85 g), grain yield (5.18 t ha-1), and harvest index (41.14%). In contrast, the 60 cm × 20 cm spacing resulted in the lowest values for grains per cob, 1000-grain weight, and grain yield. It may be recommended that optimizing plant spacing is vital for maximizing maize yield, with the 75 cm × 25 cm spacing being most effective for cultivating maize cv. BARI Maize-5.