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Tank Water

Posted by Kelly Huntley on

A simple way to demonstrate your commitment to sustainability practices is the use of the water tank to water the garden. This corflute weatherproof sign is perfect to leave outdoors near the water tank it will assist with Quality Area 3, Element 3.3.2.   www.pdfeducationsupplies.com.au

Benefits of rainwater in gardens

Not only can rainwater use in gardens reduce demand on mains systems, it has some a range of benefits, some of which are little-known.

Nitrogen

It might be a surprise to many of use, but rain water contains some nitrogen. Two types of nitrogen are formed during rain, ammonia – an atmospheric gas that dissolves in rainwater – and nitrate which is produced by the reaction of water and atmospheric nitrogen by lightning during storms. It can also be collected from particles in the air caused by various industrial processes. Rainwater may contain more nitrogen than mains water due to its absorption by soil as water percolates through catchment areas into dams.

No chlorine

Chlorine does not exist in nature in elemental form but is combined with other chemicals and is extracted through the process of electrolysis. Rainwater does NOT contain chlorine. While it is helpful in treating water used for drinking, it can kill microorganisms beneficial to plants.

Since chlorine can dissolve in water and is present in bleach, grey water from washing machines which may contain chlorine bleach should not be used for irrigation. Excessive chlorine can disrupt the ability of plants to extract nutrients and, therefore, growth. When it accumulates in leaf tissue it causes a scorched or burnt appearance, smaller leaf size and early dropping.

No Salt

Water from bores and wells, and in some areas, reticulated water supplies can contain salt. Rainwater does NOT contain salt. Evidence of a high salt content can easily be identified if plants are growing in pots by checking for any crusts of white and tan pigments. In many cases, salt-stressed plants may lose their colour and appear wilted. Salt effects on vegetation vary depending on the species.


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