better soils for better plants - condo conference … · plant tissue analytical report manganese...
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Better Soils for Better Plants
Tree Maintenance & Soil Care
Speaker: Richard Eaton
Cohen & Master Tree and Shrub Services Ltd
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Landscape Amnesia
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What our land once looked like
What it became
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Landscape Audit
• What is the character of the land
• What are the cultural factors that affect growth and performance
• What are the most limiting factors to proper performance
• What are the inputs that make a real difference
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Soil Structure & Drainage
• Recognizing drainage patterns and good soil structure gives important clues to how plants will perform
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Soil Compaction
• Compacted soil impedes the growth of roots; limits the movement of water; and restricts the uptake of nutrients
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Soil Chemistry
• Detailed soils analysis can reveal what kind of fertilizers plants will actually respond to
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Irrigation
• Can drive sustainable growth processes or be the limiting factor in plant establishment and health.
• Too much water is the same as drought.
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Root Crown Interface
• Establishing proper interface between trunk wood and roots is vital
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Barrel of Limiting Factors
• There will be little or no response to other inputs unless the most limiting factors are addressed first e.g. pH, compaction, drainage, etc.
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Growth Differentiation Balance
• Plant defenses are maximized up to a certain growth rate. Growth beyond this point shifts resources away from plant defense.
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Services
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