Cotton produces more biomass and economic yield when cluster planting pattern (three plants per hole) than in a traditional planting pattern (one plant per hole). even at similar plant densities. indicating that individual plant growth is promoted by cluster planting. The causal factors for this improved growth induced by cluster planting pattern. https://www.roneverhart.com/5-5-Parlor-Palm-Artificial-Tree-in-White-Tower-Planter/