Bottles to trees: Plastic beverage bottles as an alternative nursery growing container for reforestation in developing countries
Fig 4
Arizona walnut seedling field relative height (A) and root collar diameter (B) growth (Means ± SE) following the first year of outplanting. Container types: Coca-Cola® bottles (Coke), DeepotTM D27 containers (D27), polyethylene polybags (Polybag), and Sam’s Club® bottles (Sams). Means (±SE) not accompanied by the same lowercase letters are significantly different (α = 0.05) according to Fisher’s LSD test.