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Statements

Subject Item
dbr:Root_trainer
rdf:type
yago:WikicatForestryTools yago:Implement103563967 yago:Tool104451818 yago:Instrumentality103575240 dbo:Lighthouse yago:Object100002684 yago:Whole100003553 yago:Artifact100021939 yago:PhysicalEntity100001930
rdfs:label
Root trainer
rdfs:comment
Many pot designs train the roots. One example is a truncated plastic cone in which a seedling is planted. There is a drainage hole at the bottom and the main tap root tends to grow towards this. What this achieves is to encourage the roots the grow a denser system of root hairs. How it does this is to have the pots designed so as to air prune the roots. The advantage is when the plant is planted into its home environment it has a stronger root base to start with.
foaf:depiction
n17:Pots.jpg
dcterms:subject
dbc:Horticultural_techniques dbc:Plant_reproduction dbc:Forestry_tools dbc:Habitat_management_equipment_and_methods dbc:Agronomy
dbo:wikiPageID
28912406
dbo:wikiPageRevisionID
1073823412
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dbr:Swelling_(medical) dbr:Deflection_(physics) dbr:Water dbr:Root dbr:Tap_root dbr:Laminate dbr:Polythene dbr:Carbohydrate dbr:Cup_(unit) n9:Pots.jpg dbc:Plant_reproduction dbr:Carton dbc:Horticultural_techniques dbr:Root_ball dbr:Pathogen dbr:Plant_pot dbr:Porous dbr:Polybag dbr:Gallon dbr:Inch dbr:Herbicide dbc:Forestry_tools dbr:Seedling dbr:Vertical_direction dbc:Habitat_management_equipment_and_methods dbr:Suffocation dbr:Seedlings dbc:Agronomy dbr:Copper
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Many pot designs train the roots. One example is a truncated plastic cone in which a seedling is planted. There is a drainage hole at the bottom and the main tap root tends to grow towards this. What this achieves is to encourage the roots the grow a denser system of root hairs. How it does this is to have the pots designed so as to air prune the roots. The advantage is when the plant is planted into its home environment it has a stronger root base to start with. When polythene bags are used instead, this root tends to go through the bag into the ground and is then broken off when the tree is moved for planting. The other roots are insufficiently developed to cope with the shock caused by this and so the tree's chances of survival are reduced. The root trainer is mounted in a stand above ground so that, when the tap root emerges, it is dried by the air. This air pruning causes the root inside the pot to thicken with stored carbohydrates that support vigorous root growth when the plant is put in the ground. The other lateral roots of the plant grow to compensate for this—so a stronger root ball forms, which improves the sapling's chances. When raising multiple seedlings, the root trainers are commonly placed in trays or racks. The size of each trainer depends upon the species but, for broad-leaved trees, the capacity is about a cup. Vertical ribs inside the trainer are positioned to train the roots to grow downwards and so prevent root spiralling.
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