The farmers decided to re-plant the saplings on the hillside where there was more sunlight.

re-plant 由前缀 re-（表示"再次、重新"）和动词 plant（种植）组成，字面意思是"再次种植"，即"重新栽种"。 plant 作为动词时意思是"种植、栽种"，指将植物放入土壤中使其生长。