Research by the Environmental Protection Agency has revealed that a household using lawn sprinklers will expend almost 10 per cent of its daily water usage on watering the lawn. To maintain a lawn in optimum condition, frequent watering is required and lawn sprinklers serve this need automatically.
When to Water the Lawn
You can test whether your lawn needs watering by standing on a patch of grass. If the blades of grass spring back up into a vertical position, the lawn does not need watering. Only if the grass remains flat should you turn the sprinklers on. Unfortunately this daily testing process negates the time saving benefit of lawn sprinklers, which is why most people buy them in the first place.
Efficient Use of Water
There are several disadvantages to using sprinklers that result in the waste of water and other problems:
- Some water evaporates before it reaches the ground, especially on a hot or windy day
- Lawn sprinklers on a timer often water the lawn when it is not needed, such as after rainfall
- It is often unnecessary to water grass everyday so relying on a daily timer will result in overwatering
- Excess watering can cause disease and fungus in your lawn
- Sprinklers that are not targeted correctly can inadvertently water your driveway or patio
- The hose that connects your lawn sprinkler to the water supply can leak water
- You will not be permitted to use you lawn sprinklers if a hosepipe ban is in place
In addition to this list, lawn sprinklers do not water your grass in an intelligent way. For instance, some areas of your lawn that are over-shaded or overexposed may need additional water whilst other areas need less. As lawn sprinklers distribute an even amount of water over the entire lawn, you will either be under-watering these problem areas or overwatering the rest of your lawn.
The only way to water your lawn with maximum efficiency is to manually perform the task using a watering can. You will then be able to focus water on areas that need it most.
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