2011年8月8日星期一

Correct Water Usage Tips 03

   The politics of water within different regions varies widely. In the UK there has been an ongoing debate about hosepipe bans for two years now. Promised reforms have led to a relaxed system but no actual legal framework which leaves planners and gardeners in limbo. More encouragingly garden designers and gardeners are taking the concept of water conservation and use into their own hands and using water wisely. Garden designers in particular are counteracting the lack of water and the cost of water supply by specifying alternative measures within their designs. At a basic level this includes mulching the soil around plants to conserve water in the soil. At a creative level there has been a surge in the design of dry gardens and waterwise planting.Dry gardens use plants efficiently to reduce, or often remove, the need for artificial irrigation. They rely solely on rainfall and good examples are Mediterranean aromatic gardens. Waterwise planting is a concept that is taking on more importance in the conservation of our water and soil. If you visit a South African garden you will notice much denser planting that encourages stronger root systems and retention of moisture in the soil.Both of these planting methods are essentially for ornamental plantings.


   Forest gardening on the other hand has many of the same principles but is a method of planting on different levels from low growing ground cover to tall trees capable of providing a sustainable, low maintenance environment for food production. It is essentially a great source of food, a sustainable method of conserving resources including water and whilst used for centuries in countries such as Indonesia it is relatively new to the western world. In a time when we are all worried about the supply of food it is predicted that this system of gardening will become wider spread.We should not forget that there is still a place for the aesthetic use of water in our gardens and landscapes. Ponds and water fountains, swimming pools and spas will still have a role to play. And whilst we are swapping the outdoor patio heater for a sweater as a necessary contribution to halting global warming we are not prepared to give up all the pleasures of the garden in the name of climate change. We are, however, changing the way in which we design these elements. Most notably natural ponds and pools have become the latest must have for those wanting the ubiquitous trophy garden. Natural pools harness the power of plants to clean their water without chemicals.

   In a world where we are more aware of the toxic effect of chemicals we are seeing clients moving towards natural pools in increasing numbers and, in some cases, converting existing pools to natural systems.Water is essential to life in a garden. We cannot expect to enjoy birds and wildlife in our gardens without it. Our gardens are the largest free wildlife sanctuary we have in many countries, especially crowded countries such as the UK where we are steadily losing space and greenbelt agricultural land provides too few wildlife habitats. We are finding that demand for formal ponds is starting to fall but conversely natural wildlife-friendly ponds are in great demand accompanied by wild, often native plants and local varieties of plants that encourage insects and wildlife.One area that is still vastly unexploited however is the use of reed bed systems in conjunction with natural ponds and pools.

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