Starting
your own compost heap uses up very little space or time and reward
you with ample hygienic, useful humus to nourish your garden or
vegetable plot. The heap can be set up in any out-of-the-way corner.
A
bin is neater than an open heap and there are a number of commercially-made
bins you can buy in sizes to suit your garden.
The
main requirements are:
It must keep the compost ingredients together. Ideally without
seepage of odours or liquid.
It must allow ventilation.
• It should harmonise with the garden.
Nearly
all garden and household waste is suitable such as vacuum cleaner
contents, rags, tea leaves, food scraps, fat and vegetable wastes
and all normal garden refuse such as grass cuttings, leaves, wood,
straw and organic waste. As one maker of compost bins expresses
it what you dont eat feeds what you eat.
Ideally
you need a mixture of matter that decomposes rapidly blended with
slower to decompose materials. If using grass clippings only, the
pile would have to be turned every 2 or 3 days with a fork and watered
after each turning so the anaerobic bacteria have a chance to work.
Instead of turning, you can mix different layers of materials such
as clippings, leaves, food waste, etc, to ensure good aeration throughout
the heap.
To
make the compost.
Site the bin in a convenient, reasonably sunny location.
Fork the ground underneath the bin for easy entry of earthworms
and soil organisms.
Pack in the first layer of about 20Omm of organic matter.
Sprinkle each layer with a handful of lime or dolomite to reduce
acidity, then blood and bone to activate conversion. Cover with
about 25mm of soil. Repeat until bin is full. It will reduce in
volume gradually as it changes into compost so continue adding material
to top it up until the bin is full of compost. When the bin is full,
leave 10 to 12 weeks to mature. If too dry at times, sprinkle with
water to dampen.
When the compost resembles peat moss, it is ready to mix in with
the topsoil of your garden.
Note:
do not place materials such as glass or plastic, coal or
ashes in your bin.
Diseased plants or perennial weeds should be burnt. |