Thirsty Work

With water scarcity a reality in South Africa, here are some new methods of improving moisture retention in garden soil says Jane Griffiths

- Jane Griffiths

All South Africans, gardeners especially, are becoming more and more aware of the need to save water. If there’s insufficient moisture, much-loved gardens dry up and die. Luckily there are an increasing number of additives which help retain water, keeping the soil damp for longer.

WHAT ARE WATER- RETAINING SOIL ADDITIVES?

These are soil enhancers that absorb water and then slowly release it. They range from coconut fibre husks to natural minerals. Many gardeners are familiar with the hydrogels, or watering crystals. Synthetic polymers, these little white granules, swell up like sponges when hydrated and slowly release water. However, it is believed that some of these products break down after a number of years and can release toxins. But fortunately, there are a number of natural alternatives.

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