Preparations in autumn
Mix the compost thoroughly in autumn so that the moisture is optimally distributed. A rearrangement is used for ventilation, so that the rotting processes are positively influenced. This measure reduces the build-up of putrefaction in the spring. On this occasion you can remove part of the substrate and store it in a frost-protected place Garden shed(€ 39.99 at Amazon *) or store in the garage. This gives you an ideal approach to start a new compost next spring.
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Structural material
In winter, the compost requires structural material such as straw or shredded remnants from tree and shrub cuttings. The material ensures that the compost content remains loosened. The cold temperatures in winter freeze the cells of the organic material. When thawing in spring, they burst and give off liquid. If there is insufficient ventilation, a putrefactive mass forms, from which unpleasant smells emanate.
In autumn, collect fallen leaves and scraps of wood and dry them in a warm place. Chop up the leftovers and mix them with the kitchen waste before adding them to the compost.
A mixture of:
- 20 to 40 percent dry material such as wood cuttings
- 60 to 80 percent moist nitrogen-rich material such as kitchen waste
Protection from rain and snow
In winter, you need to protect the compost from rain and snow so that too much moisture does not accumulate inside. Cover an open compost with one Burlap sack(€ 14.29 at Amazon *) away. Alternatively, a compost fleece or a Mulch film. Airtight covers such as plastic sheeting are unsuitable because they promote undesirable putrefaction processes. The microorganisms in the compost need oxygen for their metabolism to work.
Additional measures
Add small amounts of wood ash to the compost every week. The ash contains lime, phosphate and potassium, which create a balance of organic acids and bases. Pay attention to an economical dosage so as not to over-salt the substrate. Excessive amounts of wood ash damage the soil organisms. Coal ash is not suitable for compost because the heavy metal content is very high.
