Can You Fertilize Plants With Organic Waste?

Fertilize plants with organic waste?

With correct waste separation and recycling, we can reuse many components of the waste and thus protect the environment. You can also recycle your organic waste and make compost from it. In this article, ÖkoLeo tells you what compost is, what it is used for and how you can make it yourself.

When cooking with fresh fruits and vegetables, we usually end up with leftovers that we throw in the organic garbage can. But it can be worthwhile to save the potato or egg shells, the greens of carrots or stale bread. If you collect the leftovers under certain conditions, they develop into so-called compost, a sustainable fertilizer for flowers and plants.

What is compost?

Composting is the oldest recycling process known to man. For example, if you collect old leaves, vegetable scraps or pieces of wood in a pile, microorganisms and compost worms begin to work their way through the various materials. Microorganisms are small animals and cells that cannot be seen with the naked eye.

The microorganisms literally eat their way through the scraps. In the process, they break down the old plants and food into their constituent parts. Plants can then access these components and use them for growth. In this way, compost is a biological fertilizer that provides important nutrients for plants to grow.

Composting is good for the environment for many reasons

Making your own compost not only helps the plants in your garden or on the balcony grow. It also protects the climate. For example, the organic waste does not have to be transported by truck. This consumes fuel during transport and produces exhaust gases.

In addition, healthy plants are important for a stable ecosystem and biodiversity. If the plants are doing well, they attract various animals. Biodiversity in the environment increases. Likewise, healthy plants filter CO2 from the air. CO2, also called carbon dioxide, is a gas that harms our climate.

Even in dry periods, i.e. when there is little or no rain for a long time, compost has a benefit for plants. This is because it can store a lot of water, which the plants can gradually use.

How is compost formed in nature?

In nature, the process of composting is going on all the time. For example, when the leaves of a tree fall to the ground as leaves in the fall and are not cleared away, they rot over time. New soil, called humus, is created. A compost pile works the same way.

Compost needs certain conditions to start the rotting process. For example, if the compost is too dry, the microorganisms cannot work properly. If it is too wet, the compost begins to rot. In both cases, the wrong “climate” prevails in the compost. As a result, parasites or pests can multiply. These harm the plant matter and prevent the process of rotting.

Small worms and big effect
To make your own compost, you usually need a garden and some space. But there are other ways: With a worm bin, you can make your own compost pile even in small gardens, on the balcony or even in your apartment.

Before you start with the project, you should consider whether there are enough plants in your area that you can fertilize with the compost. Too much fertilizer is not good for plants. Like us humans, they can eat too much food and it throws them off balance.

How to build a worm bin

First you need a closed box, preferably made of wood, in which you drill a few holes for ventilation. A proper container for compost is well ventilated and can still keep the necessary moisture inside.

Can You Fertilize Plants With Organic Waste?

As the bottom layer, it is best to lay out some damp paper. On top of this comes a layer of loose soil, which is then followed by the food scraps.

But what can actually go into the compost? Unprocessed food is best. These are vegetable and fruit scraps and their peels, bread, eggshells, and coffee grounds. But dry lawn clippings, leaves or old soil are also suitable, but only in small quantities. The compost should not contain treated wood, cat litter or diseased plants. These destroy the “climate” in the worm bin. Also cooked or sweet food as well as meat and fish should not go in there. These attract uninvited animals such as mice or other rodents.

Make sure you stack different layers of material. So alternate wetter, small-part waste like food scraps and wet grass with dry, coarse waste like branches or wood.

Can You Fertilize Plants With Organic Waste?

Now you need special compost worms. These are not to be confused with earthworms. They eat through the organic waste and make compost, which can later be used as fertilizer for plants. You can get the worms for example in a fishing store.

Can You Fertilize Plants With Organic Waste?

Finally, you should cover the compost with some newspaper so that heat can develop underneath and less moisture escapes. After about two to three months, the humus is ready to be removed. To do this, the worms should be lured to the other side. To do this, you can remove the organic waste and place it on one side of the box. Little by little the worms will move to the waste and after a few days you can remove the humus.

If you do everything right and your compost is neither too dry nor too wet, the worm bin will smell like forest soil. If you have the possibility to make the compost outside, you can also build a box that is open at the bottom. To protect against rodents, you can put a grid on the bottom.

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