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| Overview | Compost | Using mulch to save water |
Water crystals and Wetting agents
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Using mulch to save water |
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Mulch can reduce water evaporation by up to 70%, so its an essential part of any water-wise garden. Mulch will save water, save you money, save you time, and possibly save your plants.
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How does mulch work? |
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Most importantly, mulch reduces evaporation and therefore the amount of watering required. You can water less often, knowing that the moisture is staying in the ground longer.
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- Mulch breaks down, providing the soil with valuable nutrients and organic matter.
- Mulch reduce weeds, which compete for water and nutrients (and mean less time digging and
more time sitting back and enjoying the garden!)
- Mulch protects soil fauna such as earthworms by keeping it cool. You’ll notice a lot more worms in the garden after mulching, and they’ll keep the soil nutrient rich by helping to break down organic
matter.
- Mulch is like a thermal blanket, keeping the soil temperature constant. Great for roots and to reduce plant stress.
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What's the right type of mulch for your garden? |
There are many different types of mulch including straw, bark chips, pebbles and plant matter. You can use everything from organic matter to glass and marble chips for a different look. |
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Finding the right mulch depends on climate, soil type and the plants in your garden, as well
as your budget and the look you want for your garden. Talk to your nearest water-wise
nursery about the right mulch for your plants.
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The basics:
- Mulch needs to be at least 7cm thick to work effectively.
- Make sure the soil is moist before adding mulch.
- Don't mulch too closely to plant stems or tree trunks as it may cause collar rot.
- Don't add manure mulch in dry times. The plants will have a growth spurt and may run out of
water.
Also manures can burn the roots if they are not watered correctly.
- Mulch needs to be topped up at least every 12 months.
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