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Why You Should Think Twice Before Using Coconut Coir
In The Garden
By ROCHELLE HEATH-HARRIS
Coconut coir is becoming
a favored alternative to environmentally detrimental peat moss in the realm of eco-friendly gardening. However, there are some concerns regarding its use.
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Firstly, coconut coir often contains a high amount
of salt. This is due to the harvesting process wherein the coir is frequently
rinsed in saltwater
rather than freshwater.
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The high salinity can inhibit
a plant's ability to absorb
water and essential nutrients, necessitating a thorough rinse and drainage of coconut coir before using it.
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Additionally, coconut coir is nutrient-inert, meaning it does not naturally provide any nutrients to your plants. Thus, you'll have
to supplement your
plants with fertilizers.
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Furthermore, due to its
high cation exchange rate,
coconut coir binds tightly to
certain nutrients like calcium,
iron, and magnesium,
and doesn't release
them to your plants.
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Moreover, some bales of coconut coir are treated with chemicals to eliminate pathogens, so it's crucial to carefully check the label if you are committed to
organic gardening.
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Lastly, it can be challenging to find coconut coir from a reliable source, and you may have to source it from a distant supplier, which can incur additional cost.
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