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cannot be predicted by studying any aspect in isolation; one had to - - PowerPoint PPT Presentation
cannot be predicted by studying any aspect in isolation; one had to - - PowerPoint PPT Presentation
The world functions in wholes whose qualities cannot be predicted by studying any aspect in isolation; one had to see the whole first. We would know very little about water, for instance, by making an exhaustive study of hydrogen or oxygen,
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Gen ener erally, ally, people don’t change their behaviour bec ecau ause e of wh what at the hey y kn know, , but, but, bec ecau ause e of wh what at the hey y ha have e ex experien perienced. ced.
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The Colour of Water
Blue water Green Water Grey Water
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Effektiewe Waterverbruik
- Winsgewendheid van jou plaas itv jou waterverbruik.
R wins/m3 water verbruik
- Lengte van die groeiseisoen by verskillende kultivars en gewasse.
- Waterbehoefte van onderskeie gewasse en kultivars met beplanning
van nuwe aanplantings.
- Prioritiseer die belangrikheid van jou boorde/blokke.
Moennie water mors op nie winsgewende aanplantings nie.
- Let op oesladings en verminder dit om by beskikbare hoeveelheid
water aan te pas
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Effektiewe Waterverbruik
- Onderhou besproeiingstelsels. Herstel lekke en verstoppings. Maak
besproeiingslyne skoon, kontroleer lewering van druppers en spuite
- Kontroleer die akkuraatheid van skeduleringstoerusting en kalibreer
dit reg
- Bepaal die dieptes van wortelsones. Moennie dieper besproei as wat
daar wortels is nie (hef beperkings op)
- Bekamp verdamping met deklae – infiltrasie, temperatuur
- Onhou meer water verdamp vanaf operdwalle as van gelyk grond
- Beperk kompetisie vir water - bestuur van dekgewasse en onkruid
- Wees konserwafief met bemesting. Moennie onnodige/geil groei
stimuleer nie
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Case Study DeWet Cellar
- 850ha vineyards
- Irrigation 6000m3/ha/yr
- Saving of 5% = 300m3/ha/yr (55min irrigation instead of 1h)
- Total saving = 255 000m3/yr
- 100litre/person/day = 36.5m3/person/yr
- 255 000m3 = water for 7000 people for a year
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Water Saving Through Wastewater Management
Michiel Meets
082 553 5431 michiel@eco-owl.co.za
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Reduce, Re-use, Recycle
- Everyone knows the phrase
- Use in all waste related activities
If you don’t measure you cannot manage
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Reduce
- Water use in the cellar (and on the whole farm)
- Less water to treat – lower costs
- More water available for other functions
- Example:
̶ Smaller nozzles or automatic shut off nozzle on hose pipes ̶ Sweep before flush principle ̶ Reduction of pressure ̶ Fix water leaks
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Re Re-use
- Is it possible to re-use some of the water
- How and where?
̶ Rinsing
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Recycle
- Treat water to be able to irrigate
̶ Not just on kikuyu, rather pastures with livestock ̶ Vineyard and other crops ̶ Re-use in cellar/ tasting room/ offices
- Treat water to be able to discharge into natural system
̶ Give water back to fill our dams
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Summary ry
- Reduce water use where possible at the source
- Reuse chemicals until spent
- No water is used only once (all water has a secondary purpose)
- All water is treated to a point for sustainable re-use
- Recycled water is used to reduce mains/supply requirements
- Water Footprint =
total litres of water / litre of wine produced
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