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Composting

Composting, maybe it’s not a subject that fills you with excitement, we get it. But did you know that composting can transform your waste into nutrient rich food for your garden for free?
Composting also greatly reduces the amount of waste you send to landfill. Almost 50% of the contents of the average dustbin could be used effectively for compost.

Our composting guide will give you all the tips and advice you need to turn all that waste into a sustainable garden feed. And you don’t need any expensive equipment either. You just provide the ingredients and let nature do the rest.

Why should you compost?

Roughly 11 million tonnes of organic material (such as vegetable peelings, tea bags and food scraps) are produced each year by homes in the U.K., much of which ends buried in landfill sites. Organic materials in landfill are a major source of methane, a greenhouse gas which contributes to global warming.

Getting Started

You can choose from a compost bin or a compost heap, both have their advantages, so it depends on what works best for your space.

A bin is specially designed to give you the warmth and moisture necessary for good compost. They’re easy to clean, and you’ll be able to keep control of the odour by shutting the lid.

A heap can be started on bare earth anywhere in your garden and covered with a tarp. Worms will be able to get in and aerate the pile, helping the materials to breakdown.

What to Compost

The following table will help you with what can and can’t be composted.

Waste MaterialValueTips
Waste water/drinksNeutralYour compost heap should be kept nice and moist at all times, topping up with water every now and then can help with this; although with too much water you’ll end up creating a swamp.
CardboardCarbonSmall quantities of cardboard can be good for a compost heap, if you have a large amount; however, it’s best to recycle rather than compost.
Corn cobs or stalksCarbonThese are best when shredded, as they’ll break down a lot faster.
Coffee grounds and filtersNitrogenGreat treat for the worms!
Fruit and fruit peelNitrogenFleshy peel like banana peel can take longer to decompose, bury in the middle.
Tumble dryer lintCarbonGreat for moisture levels.
Egg shellsCalciumCrush shells as they break down slowly. Great obstacle course to keep the slugs and snails away.
HairNitrogenSprinkle evenly across pile.
Dry or Green LeavesCarbonAvoid using diseased plants or bushes.
Manure (chicken, cow, goat, horse, pig, rabbit, sheep)NitrogenGreat for speeding up the composting process.
NewspaperCarbonSimilar to cardboard, only use in small broken down amounts. Consider recycling large amounts.
Pine needles and conesCarbonSlow break down and acidic finish, use moderately.
Sawdust and wood shavingsCarbonVery high carbon content so avoid using lots unless you can balance with a lot of nitrogen. Use untreated wood only.
VegetablesNitrogenBury deep to speed up break down.

What not to Compost

Most types of kitchen and garden waste are fine to throw on the compost heap, however; there are a few things you’ll definitely want to avoid.

Waste MaterialEffect
Ashes from coal or charcoalCoal ash is an alkali and can throw off your compost’s PH balance. Some brands of charcoal contain paraffin, wax or other chemicals you wouldn’t want in your garden, as well as the grease that dripped down from your barbecue.
Dairy (cheese, milk, yoghurt)These won’t add much to the compost but will make it more attractive to pests.
Diseased plantsIf you use diseased material for composting you risk spreading that disease further around your garden.
Fish scraps and bonesBuilds unpleasant smells and attractive to unwanted rodents.
Lemons and limesWhile they are OK in small amounts, citrus fruits are highly acidic and may stop the composting process.
Manure (bird, cat, dog)May contain diseased organisms.
Meat, fat, grease, oil or bones.These are very slow to decompose and don’t contribute very much to the soil quality.
Treated woodThe varnish or oils used to treat wood often contain chemicals which aren’t much good for your soil; even naturally treated wood is likely to be too strong an alkali to benefit your composting.
WeedsWeeds tend to be highly persistent species that could come back even when removed and placed in compost, best to destroy them yourself or put in the bin.

Speeding things up

Ordinarily, compost can take up to 9 months to break down to usable level, and even longer if you have a lot of fleshy fruit peels or other large items in there. Turning over the compost with a pitchfork every couple of weeks will help the process along, we also have a range of compost accelerator products available which add extra microbes and enzymes to the mix, encouraging faster breakdown.

Taken from https://www.diy.com/ideas-advice/how-to-make-compost/PROD_npcart_100689.art

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