How to make nettle fertilizer

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Maija Wallace - Sikana
Maija Wallace
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In this lesson, we will teach you how to make nettle fertelizer.

Nettle is known for both its medicinal and garden uses.

The fermented extract of nettle is used as a compost activator, pesticide, and fertilizer.

Rich in nitrogen and minerals, it stimulates plant growth and the overall health of the garden.

There are many ways to make nettle fertilizer. Today, we’ll show you a simple method.

To make the fertilizer, you will need: pruning shears, 2 buckets, a means of irrigation, a stick and a lid.

pruning shears

2 buckets,

water

stick

lid

Step 1: Collect 1 kilogram/2 lbs of nettle, preferably young,

since that is when they contain the most nutrients and minerals.

Make sure to wear gloves to avoid being stung by the nettles.

Be careful not to cut other plants that might alter the decomposition process.

Step 2: Clean the bucket using a brush.

Do not use a metal bucket.

Now we can begin to prepare the fertilizer.

Mix 1 kilogram/2 lbs of nettles with 10 liters/2.5 gallons of water.

It’s best to use rainwater, but tap water works too.

Cover the container with a lid or cloth.

Step 3: Store the container in a shaded area at a stable temperature - between 18 and 25 degrees celsius/65 to 75 degrees F.

Step 4: Stir the mixture every other day.

After a few days, you’ll notice bubbles appearing and an unpleasant smell. These are signs indicating that the fermentation is underway.

After about 2 weeks, the water should be completely covered with white bubbles.

During the next few days, the fermentation process will peak and the bubbles will disappear.

Once the bubbles disappear, it’s time to filter.

Step 5: To filter the solution, you will need: a bucket, a hand fork, a colander and a cloth.

bucket

hand fork

colander

cloth

Use the hand fork to remove the stems.

Cover the colander with cloth, and then strain the solution.

Step 6: Store the liquid fertilizer in closed containers.

Under the right conditions, it can be stored for several months.

Step 7: Place the residual waste in the compost.

Now that you have your fertilizer, let’s learn how to use it.

The nettle fertilizer is a powerful product, so it’ll need to be diluted before use.

When diluted to 5%, it will strengthen plant leaves, making them more resistant to disease and insects.

When diluted to 10 or 20%, it makes a nitrogen and iron-rich fertilizer, which stimulates micro-organisms in the soil.

Nettle fertilizer is known to promote healthy growth in young plants.

It can also be used for watering compost piles where it stimulates the decomposition process and adds valuable nutrients and minerals.

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