Individual study: Survival and growth of tree species under two direct seedling planting systems
Bruel B.O., Marques M. & Britez R.M. (2010) Survival and growth of tree species under two direct seedling planting systems. Restoration Ecology, 18, 414-417
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Use different planting or seeding methods
A replicated, randomized study in 2004-2005 in tropical forest in Paraná, Brazil (Bruel, Marques & Britez 2010) found no difference between manual or mechanical planting on seedlings growth rate. One year after planting, the height (manual: 88 cm; mechanical: 59 cm) and height relative growth (manual: 0.88 cm/cm; mechanical: 0.98 cm/cm) were similar between treatments. Two treatments: manual planting (holes dug manually; seedlings wrapped in polyethylene bags) and mechanical planting (soil prepared with a rotary tiller attached to a tractor; seedlings in polypropylene tubes) were established in three random 20 × 20 m plots. Seedlings were planted in July 2004 and were measured one month and 13 months after planting.