7 Tips To Keep Your Compost Cooking

Nothing can match the richness of home-made compost. Making your own is not complicated or time consuming. There are however, some mistakes that are easy to make and will affect the quality. We have some tips to help you.

Spice Your Compost up with Variety

If you continuously use the same plant materials, your compost will be limited in terms of the nutrients and good bacteria. These are the parts that make it effective. Try to mix up your ‘ingredients’ as much as possible. Use household waste (except meat, dairy, onions and citrus), all the trimmings from the garden, lawn cuttings and fallen leaves. Shredded paper and cardboard are also beneficial.

Think ‘Lasagne’

Nutrient-rich compost consists of both nitrogen (which comes from green material) and carbon (from dried material and paper). The best way to achieve this is to make layers of brown and green material. Layering also speeds up decomposition. When green material decomposes it generates heat. By putting a thick brown layer over the green, the heat is trapped. This heat kills pathogens.

Keep It Cooking!

If the heap has gone dry and dormant, it needs moisture. Turning and watering your heap should regenerate it. Put a sprinkler on top of the heap and run it for 30 minutes to an hour, depending on the height. You want the water to penetrate right through. Check the middle of the heap after watering. If the compost still doesn’t heat up, re-build it by adding more layers of nitrogen-rich material, like manure, and water the layers as you go.

READ MORE: Check out this article to learn how to make your own compost in a bag

Size Matters

Cutting or shredding garden waste can speed up decomposition. But, if the texture is too fine the heap lacks ‘pore spaces’ for air, which is necessary for the decomposition process. Diversity of textures is as important as diversity of materials.

Compost Activators and Additives!

The quicker the turnaround of compost the better, because there never seems to be enough. When making layers, include finished compost, a sprinkling of manure (not too much) or rich topsoil to introduce the beneficial bacteria. Herbs like Yarrow, Borage, and Comfrey are excellent activators that speed up decomposition. Add them with the green material. Turning the heap at least once a month (twice is better) adds air, which also speeds up decomposition. And don’t forget to keep it moist! The materials in the compost should feel damp, like a wrung-out sponge.

The Green, Green Grass

Some gardeners don’t like adding lawn cuttings as it can add too much nitrogen thereby affecting the balance. Lawn cuttings can also form a dense mat that blocks airflow. To avoid this, mix the grass cuttings with dried leaves. Spread the grass out so the layer is not too thick, and cover it with a brown layer. If you don’t cover the cuttings, the top will dry out and form an impenetrable crust.

Less is More

You may love being lavish with the compost, but the experts say that it is a waste. Rick Carr is a compost expert at the US Rodale Institute’s organic farm. He believes that only 5cm of compost needs to be mixed into raised beds. For potting soil, add 25 – 50% of compost but no more. Don’t start seeds in compost because it has a high mineral salt content that prevents germination.

Compost Tips

• Too many grass cuttings for the compost? Leave some on the lawn and they will help to fertilise the lawn.
• Microorganisms use up a lot of water. This means that during a heat wave you need to water the compost. Water it almost as often as you water the veggies.
• When using household waste, make sure that it is covered with a thick layer of brown material. This will ensure it doesn’t attract flies, rats and other pests.
• Save autumn’s falling leaves in bags for use during summer. Pine needles, straw and layers of paper or cardboard also work.

READ MORE: Learn all about organic and inorganic mulches in this article.