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The nettle is one of the weeds, which are not seen in any garden. Mostly tall and densely grown, it is tolerated at most in the remote corners of the property. There nobody comes too close to their leaves, which cause the typical burning on the skin when touched. Their inconspicuous flowers are no decoration and where the frugal plant has first settled, it usually spreads quickly, as it makes little demands on the location. Nevertheless, it is worthwhile to tolerate the stinging nettle in the garden. In addition to its use as a blood-purifying tea or as a spring vegetable, which stimulates the metabolism after a long winter, it is also wonderfully suited to the simple production of an effective and also fully organic plant fertilizer: the nettle.
Simple production of nettle
Nettle is best used in the spring before the nettles start to bloom. Then the complete plants can be used. In a suitable vessel made of wood or plastic, the small cut parts of plants are collected loosely and the container filled with rain water. Since the following fermentation process is very odor-intensive, it is advisable to place the tub slightly off the garden and cover it. Direct sunlight accelerates the process of fermentation. For the next two weeks, the manure is stirred daily in moderation to oxygenate it. Too much stirring is counterproductive because it oxidizes many components and volatilises the ammonia. Bubbles on the water surface are an indication that the fermentation process is in progress. Now again fresh plants are stirred. After another two weeks, no more bubbles form, the pungent odor subsides and the nettle is ready for use.
Various additives round off the result
The manure must not be too fresh or too concentrated, otherwise it is too hot for the plants and the organisms in the soil. In extreme cases, it then has the opposite effect: it loses nutrients, causes Geilwüchsigkeit and pest infestation. This can be prevented by the addition of biodynamic herbal preparations. Rock flour is a soil additive and a suitable means to provide the anaerobic bacteria with the necessary minerals, so that they bind the ammonia in the slurry. To catch the rising steam from the manure container, straw chop, sawdust or peat moss are recommended. They form a floating cover on the surface of the water and thus prevent the odor nuisance.
The right mixing ratio of manure and water
Depending on what is to be fertilized, the nettle is diluted in different proportions with water and used regularly for pouring. Collected rainwater is preferable to the tap water treated with chlorine, as it is usually also lime-poorer. The following mixing ratios are to be observed:
- Lawns one to fifty
- Saplings and young plants one in twenty
- Mature plants and starvation one in ten
- Plant pests one to one
Effective and versatile in the application
Stinging nettle is produced quickly and inexpensively without much effort. The use of poison and chemistry can be completely dispensed with. In addition, it can be used in the garden very versatile:
- Sufficient nutrient supply of high-consuming vegetables during the growing season
- Support of plants in the formation of leaf greens
- Effective control of aphids and other plant pests
- Stimulation and acceleration of humus production in compost