Plant density affects the growth and yield of soybean varieties. A study in Bangladesh found that using an equidistant planting pattern with 80-100 plants per square meter resulted in the highest seed yield. Increasing plant density up to this range led to higher yields, but beyond that, yield components like pod number and seed weight decreased. The study showed that total dry matter and leaf area index were positively linked to seed yield. The optimal plant density for maximum soybean yield depends on the variety and season, as well as how the crop is managed.