Tag Archives: alkaline soil

Compost

Composting recycles organic waste into a product that makes garden soil healthy. Mature compost is a dark brown, sweet-smelling material that can be added to topsoil. There are two ways to make compost – aerobic, which requires aeration during the … Continue reading

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Test compost pH before use

It is wise to test the pH of compost (including homemade compost) before adding it to your topsoil because the pH of topsoil determines which nutrients are available to plants. Well-made aerobic compost has a pH of around 6.0 to … Continue reading

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Soil pH is so important

I’ve had several e-mails recently from gardeners who have used purchased soil or organic fertilisers and found that their plants were sickly or not growing because they were growing in soil that is too alkaline. Soil pH (acidity or alkalinity … Continue reading

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Soil for Magnolias

Recently, Anthea wrote to me about the problem of growing her Chinese Magnolia where soil is alkaline. I was just reading your article on changing soil ph and was hoping you could give me an idea on how to fix … Continue reading

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What’s soil pH?

Soil pH is the measure of the acidity or alkalinity of soil from an extremely acid pH of 0 to an extremely alkaline pH of 14. A soil pH of 7 is neutral, neither acid not alkaline. Knowing the pH … Continue reading

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Changing soil pH

If the pH of garden beds needs adjusting, organic gardeners have a distinct advantage over “chemical” gardeners, because mature compost has a pH of about 6.5 where all the major nutrients are freely available to plants, essential trace elements are … Continue reading

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