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15 Cards in this Set
- Front
- Back
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What are the advantages of effective land preparation?
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tree mortality reduced, growth rates increased, survival rates increased, uniform crop size and stocking.
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Deep ripping?
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cutting into the soil to cultivate it.
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Ripping and mounding?
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discs amount the soil after it has been cultivated.
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V-blading?
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blade pushes material into high continuous mounds - typically used in swamps. Protects trees from frost.
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Line-raking / -blading?
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remove slash or grass to make planting easier.
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Spot mounding?
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(line-raking, ripping and mounding) soil is cultivated 1 m deep after slash is removed.
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Roller crushing?
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a roller is run down the hill to crash little plants.
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Chemical preparation?
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reduces competition.
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Suitable transport for seedlings?
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packed in pods, covered to protect from wind or sun.
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Suitable storage for seedlings?
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ventilated (otherwise excess of moisture, tree dies), protected from wind or sun, stocked close to planting site.
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Benefits of machine cultivation?
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improved soil drainage, tree growth, tree survival, tree stability, access, planting production, aeration, reduced frost effects.
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Causes of tree damages before planting?
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poor ventilation and insulation, careless handlings of boxes and trees, exposure to wind or sun, too long between lifting and planting.
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Effects of damages to trees befor planting?
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poor ventilation or insulation => excess moisture => death. damaged stems, needles or roots => slow tree growth. Too long between lifting and planting =>roots dry out, needles lost, death.
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Unvaluable tree stock?
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bent or hockey stick stem, dry roots, yellow or brown needles, signs of disease, double or multi-leader stems, damaged or broken tree.
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6 terms?
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air pocket (roots), bare root, malformation, nursery collar, positive pull up.
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