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Japanese paper pot 24hrs after planting
soil filtration experiment after 24 hrs exposure
Japanese 408 paper pot 1hr after planting
soil filtration experiment
Ontario plastic tube-30 min after planting
Soil filtration seedling experiment
Japanese 408 paper pot-30min MC 250percent
Soil filtration experiment
Conwed tube filtration experiment
Seedling soil filtration experiment
Jiffy pot (peat) 30 min after planting
Pine seedling filtration on soil experiment (visual)
Conwed tube 30 min after planting
Filtration experiment on soil
UofT experimental forest area
Field researchers at an experimental site
Mineral concentrations change through time
Graph on mineral concentrations through time
Tree species mean seedling weight response to manganese
Graph on manganese effects on seedlings weight