Stefan - vallda 2

Vallda Golf & Country Club - Aiming for high sustainability & playability

Golf should be fun What’s needed to create a sustainable golf club

Do little, affect less

Fundamental values

AffordableEnvironmentally friendlySustainable economy

Good turf

Facts

Martin HawtreeGeorge ShielsMembership € 3000Annual fee € 650Green fee € 50/60Members 900Juniors 150Hole 18Driving range

Practice area

Multifunctional Golf Club

Padel

Tennis

www.sterf.org

Good complement

http://www.sterf.org

Our recipe for fun golf

❖ Fair Suit different styles

❖ Game Sport / Socialize

❖ Challenge Options

❖ Balance Harmony

❖ Nature Aesthetic

❖ Strategy Risk & reward, target area

❖ Good turf Maintenance & construction

Experience We want to create an experience that is sustainable

Atmosphere

Feelings Unique

Details

Senses

Enjoy

Expectations

Fescue, Low Input Management

A possible way towards sustainability

Scanturf

Establishm

ent rate

Tille

r density

Fineness o

f leaves

Winter h

ardiness

Winter colou

r

Nutrient dem

and

Leteral growth

Wear tolerance

Resistance to

in-‐seasons dise

ases

Mow

ing tolerance

Shade to

lerance

Drought to

lerance

Salt tolerance

Velvet bentgrass 7 9 7 7 8 4 3 5 4 8 6 7 4Colonial bentgrass 6 *6 *5 *6 4 5 5 3 3 7 6 3 2Creeping bentgrass 6 8 5 6 4 7 8 5 5 8 4 3 5Tufted hairgrass 3 5 4 8 4 6 1 5 9 3 8 3 4Red fescue...chewings r.f 4 6 7 7 4 4 1 4 8 5 7 6 6...slender creeping r.f 4 6 7 5 6 4 3 5 7 5 7 7 7...strong creeping r.f 4 4 6 *5 *5 4 5 3 6 4 7 8 6Sheep fescue 2 6 8 *5 4 2 1 1 7 4 6 8 5Hard fescue 3 6 7 5 4 2 1 1 7 4 6 9 5Perennial ryegrass 9 3 4 1 8 8 2 8 7 3 5 5 8Annual ryegrass 8 4 5 3 7 8 2 8 7 4 5 6 8Annual bluegrass 8 5 5 2 5 8 3 4 2 7 6 1 2Kentucky bluegrass 2 3 3 8 4 7 8 7 6 2 3 4 3Supina bluegrass 5 5 5 6 4 7 8 7 6 5 7 4 3Rough bluegrass 7 6 7 3 8 6 5 3 5 7 8 3 3

Creeping BentFescue

Poa Annua

StressDisturbance

Competition

Understand how different species are effected by different circumstances

Sustainability

Finish

Development

The right thing at the right time and in the right amount

You get what you deserve

❖ Climate

❖ Design

❖ Maintenance

❖ Construction

❖ Microclimate

It’s the environment that affect the grass turf

Ingrowing Fescue Green

Week Days Product Quantity / 100m2 N/100m2 Bags Price irrigation Sand Brush Roll Cutv.0 Before sow ing Slow release 0.4v.0 0 Red fescue 4 4min*8v.1 7 Organic fertiliser 0.2 4min*8v.2 14 NPK 0.2 4min*8v.3 21 NPK 0.2 4min*8 10mmv.4 28 NPK 0.2 4min*8 9mmv.5 38 NPK 0.2 4min*8 8.5mmv.6 48 Seaw eed 4min*8 8mmv.7 48 NPK 0.2 4min*8 1-2kg/m2 X X 7.5mmv.8 58 NPK 0.2 4min*5 X X 7.5mmv.9 68 Seaw eed 4min*5 1-2kg/m2 X X 7mmv.10 68 NPK 0.2 4min*5 X X 7mmv.11 78 NPK 0.2 4min*5 1-2kg/m2 X X 6.5mmv.12 78 Seaw eed 4min*5 X X 6.5mmv.13 88 NPK 0.2 4min*5 1-2kg/m2 X X 6mm

2.4

Targets

InvolvedMeaningDirection

Focus

A target should be specific,measurable & time limited

Targets should be possible to influence

Quality

Define a good turf

Don’t break the drum skin

Kick test

Grade

<"

1. 100%

4. 70-80%

3. 80-90%

2. 90-100%

Grading system

Maintenance strategy

❖ Fertilizer, May to end of July

❖ Top dress, April to end of September

❖ Irrigate, spring & early summer

❖ Aerate, mid May to end of August

❖ Brush, mid May to end of August

❖ Wetting Agent, mid May and at midsummer

Tom Ericsson

Precision Fertilisation

Precision Fertilisation

Deficit water management green & tee

Sustainable water management

Never irrigate to field capacityConstant mild drought stressUtilizes 50-60% less waterMaintaining quality

Irrigation in practiceField capacity 40mm, TDR 20%

9%

4mm

12% (66% FC)

Lower limit before midsummer 8-9%After midsummer as dry as possible

Green management in practice

Cuts two to three times a weekCutting height 5.0 to 6.0 mmBrush when necessary Roll once a week Aerate if necessary in June and JulyTopdress 5 times, total 5mmFertiliser total 50-60 kg N/Ha Overseed in early AugustVetting agent in early May and JunePoa Annua picked if necessaryIron sulphate in the autumn against mossMove the flag every dayNo fungicides Usga construction

Tee management in practice

Cuts once a week Cutting height 12 mm Aerate if necessary in June and JulyTopdress 5 times, total 5mmFertiliser total 80-100 kg N/Ha Overseed in early August Repair twice a week Wetting agent in early May Tees moved every day

Usga construction

Fairway management i practice

Cuts every seven to ten days Cutting height, 15 mm Fertilize onceAerate twice during June and July Topdress twice, total five millimeter Weeds sprayed in early May Repair divots every week Overseed if necessaryAlmost no irrigationSand banding every two years Drainage c/c 5m

5 cm of sand on clay soil

Seed, sand and patience

”Work only when necessary”

Fescue survives Poa won’t

If you have any doubts, then do nothing

Golden is a nice color

I want to know more about

❖ How to minimize weeds & Poa Annua in an environmentally friendly way

3-4

?

1

–Stefan Nilsson

Have fun

Stefan - vallda 2

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