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Best Management Practices (BMPs) for Turf

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Best Management Practices (BMPs) for Turf Matt Fagerness KSU Turfgrass Extension Turfgrass Sites are Vulnerable to: Soil erosion (especially during establishment ... – PowerPoint PPT presentation

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Title: Best Management Practices (BMPs) for Turf


1
Best Management Practices (BMPs) for Turf
  • Matt Fagerness
  • KSU Turfgrass Extension

2
Turfgrass Sites are Vulnerable to
  • Soil erosion (especially during establishment)
  • Surface runoff (imperfect irrigation)
  • Movement of fertilizer and pesticides away from
    the site
  • Improper use of fertilizers and pesticides

3
Train Approach to Resource Management
  • Non-train approach
  • Aggressive watering, unrestricted flow into storm
    drains/sewer
  • Train approach
  • Responsible fertilizer/pesticide applications
  • Moderate watering
  • Buffers between irrigated areas and
    streets/sidewalks
  • All the above tie together when implemented
    together

4
What are BMPs?
  • Practices implemented before and during
    management to protect natural resources both on
    and off the turfgrass site.

5
Two Main Types of BMPs
  • Land Use BMPs Practices engineered and
    incorporated into turf/landscape design and
    construction.
  • Source Prevention BMPs Practices implemented
    during management of a turf/landscape site

6
Five Primary Goals of BMPs
  • 1) Reduce or eliminate offsite transport of
    sediment, nutrient, and pesticides (LU, SP)
  • 2) Reduce total chemical use through an IPM
    approach (SP)
  • 3) Control the rate, method, and types of
    chemicals used (SP)
  • 4) Use biological and mechanical soil and water
    conservation practices (LU)
  • 5) Educate the public on the relationship
    between environmental issues and turf management

7
Goals of BMPs
  • 1) Reduce or eliminate offsite transport of
    sediment, nutrient, and pesticides (LU, SP)
  • 2) Reduce total chemical use through an IPM
    approach
  • 3) Control the rate, method, and types of
    chemicals used
  • 4) Use biological and mechanical soil and water
    conservation practices
  • 5) Educate the public on the relationship
    between environmental issues and turf management

8
Land Use BMPs Minimizing Offsite Transport of
Nutrients, Pesticides, Soil, etc.
  • Landscaping may help prevent excessive transport
    of or intercept mobile materials before they move
    offsite
  • raised mulch beds
  • shrubs
  • trees
  • other ground covers

9
Source Prevention BMPs Minimizing Offsite
Transport of Nutrients, Pesticides, Soil, etc.
  • Proper irrigation right time, frequency,
    amount
  • Proper fertilization and pesticide use correct
    rates, types, and timings

10
Improper IrrigationWater can carry a lot with it!
11
Goals of BMPs
  • 1) Reduce or eliminate offsite transport of
    sediment, nutrient, and pesticides
  • 2) Reduce total chemical use through an IPM
    approach (SP)
  • 3) Control the rate, method, and types of
    chemicals used
  • 4) Use biological and mechanical soil and water
    conservation practices
  • 5) Educate the public on the relationship
    between environmental issues and turf management

12
What is IPM?
  • Integrated Pest Management
  • Objectives
  • Develop healthy turf that can withstand pest
    pressure
  • Use chemicals judiciously and efficiently
  • Enhance populations of natural, beneficial
    organisms
  • Tackle pest problems when pests are most
    vulnerable

13
Six Approaches to IPM
  • Genetic
  • Regulatory
  • Cultural
  • Physical
  • Biological
  • Chemical

Represent IPM approaches at the planning stage,
not active ways to manage pests
14
Planning Stage IPM
  • Genetic approach
  • Selecting improved turfgrass varieties which do
    well in the Kansas climate and show resistance to
    both environmental stress and pest problems
  • Regulatory approach
  • Using certified seed, sod, or sprigs to optimize
    genetic uniformity and prevent unwanted weed
    contamination

15
Seed Label
Look for other crop seed, weed seed, and
germination
Good Not so Good
16
Active IPM Approaches
  • Cultural proper mowing, irrigation,
    fertilization, and aerating make pest control
    much easier.
  • Physical hand weeding, cleaning mowers and tools
    to avoid spreading disease and weed seeds
  • Biological promoting natural pest predators
    (e.g. bird houses, bird baths)

17
Active IPM Approaches
  • Chemical often necessary but to supplement
    rather than replace other approaches
  • Steps to take
  • Identify the pest properly
  • Identify and correct site conditions promoting
    the pest
  • Implement other IPM approaches to augment pest
    control
  • Select a pesticide suitable for the pest
  • Apply the pesticide as directed and when the pest
    is most vulnerable

18
Goals of BMPs
  • 1) Reduce or eliminate offsite transport of
    sediment, nutrient, and pesticides
  • 2) Reduce total chemical use through an IPM
    approach
  • 3) Control the rate, method, and types of
    chemicals used (SP)
  • 4) Use biological and mechanical soil and water
    conservation practices
  • 5) Educate the public on the relationship
    between environmental issues and turf management

19
Types of Lawn Inputs
  • Fertilizer
  • Natural and synthetic, pH modifiers
  • Water
  • Natural and intentional
  • Pesticides
  • Herbicides, fungicides, insecticides
  • Other
  • e.g. soil sterilants, fuel

20
Sloppy Fertilizationfeast or famine
21
Canine Fertilizer ProblemsBefore
22
Canine Fertilizer ProblemsAfter
23
Fertilizer Analysis
  • Sequence of three numbers that reflect the
    percentage of nitrogen, phosphorus and potassium
    respectively.

24
Whats in the Bag? Primary Turf Nutrients
  • Nitrogen - Used for above-ground growth and good
    green color (soil mobile, nitrate contamination)
  • Phosphorus - Used for root growth and formation
    of seeds and fruit (less mobile in soil but can
    contaminate watersheds like nitrate)
  • Potassium - Used for basic plant growth and helps
    plants withstand stress (soil mobile)

25
Tips to Manage Fertilizer Input
  • Determine exact amounts for specific areas
  • Avoid the tendency to give the turf a little
    extra
  • Avoid overshooting onto sidewalks/pavement
  • Drop spreader is more precise than whirlybird
  • Be as precise as possible with spreader spacing
  • Dont confine Fido to the same spots every day

26
Area Determination the Wrong Way
20
Total 1800 sq. ft.
40
50
20
27
Area Determination the Right Way
15
Total 1200 sq. ft.
15
30
15x12/2 90sq. ft.
40
28
Tips to Manage Irrigation Input
  • Water only when necessary avoid irrigating when
    it rains (automatic systems)
  • Water in morning or evening to maximize turf use
  • Try to minimize irrigation water hitting
    driveways or streets (surface runoff)
  • Deep, infrequent irrigation instead of light,
    frequent irrigation (improves root system)

29
Irrigation Tips - Soil Wetting
30
Irrigation Tips - Turf Use
31
Tips to Manage Pesticide Input
  • Know your pests! Improper diagnosis of a problem
    can lead to unnecessary pesticide use.
  • Let the pesticide do its job- Be patient!
  • Avoid pesticides prone to drift your neighbors
    will appreciate it
  • Follow label specifications!!!

32
Improper Diagnosis
What caused this problem? Not disease or insects
but dull mower blades. The solution should be a
grinding file, not a pesticide.
33
Other Petroleum Contaminationaka Gas Spill
34
Goals of BMPs
  • 1) Reduce or eliminate offsite transport of
    sediment, nutrient, and pesticides
  • 2) Reduce total chemical use through an IPM
    approach
  • 3) Control the rate, method, and types of
    chemicals used
  • 4) Use biological and mechanical soil and water
    conservation practices (LU)
  • 5) Educate the public on the relationship
    between environmental issues and turf management

35
Good and Bad Soil Conservation
Good
Not so good
36
Biological Soil and Water Conservation
  • Turfgrass!!
  • Turf is an excellent soil stabilizer and is an
    efficient user of water, especially certain
    species
  • Mulch
  • Helps with soil water retention and stabilizes
    bare ground
  • Other plants
  • Can offer a buffer to prevent excessive surface
    movement of water, soil, etc.

37
Water Conserving Turfgrasses
Bermudagrass Buffalograss
Tall fescue
38
Turfgrasses Requiring More Water
Kentucky bluegrass Perennial
ryegrass
39
Mechanical Soil and Water Conservation
  • Well positioned and/or raised mulch beds
  • Separate sloped sites and potential collection
    areas
  • Retaining walls
  • Limestone, railroad ties, processed timbers
  • Plastic sheeting for mulch beds
  • Helps with soil stabilization and with weeds

40
Mechanical Soil and Water ConservationMulch beds
41
Mechanical Soil and Water ConservationRetaining
walls
42
Goals of BMPs
  • 1) Reduce or eliminate offsite transport of
    sediment, nutrient, and pesticides
  • 2) Reduce total chemical use through an IPM
    approach
  • 3) Control the rate, method, and types of
    chemicals used
  • 4) Use biological and mechanical soil and water
    conservation practices
  • 5) Educate the public on the relationship
    between environmental issues and turf management

43
Summary
  • The point in all of this is not to foster
    criticism of how things are currently done but
    rather to promote better or safer ways to
    apply inputs to home lawns.
  • We all want the same thing a lush, healthy lawn!!

44
----------------The End---------------
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