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If you want to bloom and thrive in your garden, you will not be able to avoid adding extra nutrients in the form of fertilizer. The first course of the hobby gardener usually leads to the nearest hardware store or to the gardening department, where there are fertilizers in many different variants. But there is a lot to be said for better avoiding mineral fertilizers and resorting to natural alternatives. This is not only beneficial from an environmental point of view, but also financially.
Mineral salts in chemical or natural form
No matter in what form they are given, nutrient salts are exactly the same in their form. That speaks for the advocates of chemical fertilizer. However, even in the production of this fertilizer is to complain that a lot of energy is consumed and so polluted the environment. The more chemical fertilizer is used, the more quickly there is a risk of over-fertilizing the soil, which over time can lead to the extinction of plant species that do not actually require nutrient-rich soils. Especially young plants are slightly overfertilized, as the mineral salts are absorbed immediately by the plants. Natural fertilizer can not be immediately introduced into the cycle, but must first be slowly decomposed by insects, so that the nutrients can be released.
Fertilizers proven for centuries
For every plant, whether in the garden or for potted plants, there are fertilizers that can be easily obtained, for example, from leftover food scraps. It's partly things that you would not come up with at first, that they could improve the nutrient content in the soil.
- Banana - the vitamin tablet for flowering plants
- No old coffee
- Do not dump anything
Back to nature
Other remnants of everyday use that can be further used are, for example, ash, which, however, may not be made from pressboard, or may contain residues of glue or paint, or black tea.
Let vegetables thrive. Especially for vegetables, two alternatives are recommended. If you want to promote both the growth of tomatoes, for example, but also fight fungal attack, you can resort to skim milk. If you mix them with water 1: 8, it is ideal as a fertilizer. With the help of a spray bottle skim milk can be spread very well on the plants and thus reliably protects against fungi. Similarly, a brew, which is obtained from onion skins and is also sprayed on the plants.
Green manuring is worthwhile
Originally, the method that improves the quality of the soil comes from agriculture. By cultivating certain green plants, temperature fluctuations on the ground can be well balanced. In addition, the Biden silted and encrusted so less. At the same time, the quality of soil organisms is improved, which in turn promotes the growth of other plants. Lupins or sunflowers are deep root rots, which can counteract even growths in the ground. Other plants that are suitable for green manuring are mustard, oats, oil radish, buckwheat or marigolds. The disadvantage here is certainly the high effort that has to be operated in order to create the basis. On the other hand, cultivation is particularly worthwhile in the long term. In addition, you can also use these plants well, such as the marigold for the production of ointments. Green manure also promotes the formation of humus.
Humus and manure
Of course you can also produce humus yourself. Both garden and kitchen waste are ideal for this.It is best to attach the compost heap in a not too sunny place, so you can prevent the compost from drying out too quickly or too quickly too moist and then moldy. In order for the waste to be able to decompose beneficial insects such as rain worms have to get into the compost. Therefore, the substrate should not be sealed, but should be on natural soil. A wire mesh made of fine mesh can be placed underneath to keep vole mice away, for example. The humus is best when you mix the ingredients well, that is, the ingredients should consist of both fine and coarse material. At regular intervals, the compost must be well mixed. Also liquid manure, in the end an animal waste product, can be used for the natural garden fertilization, even if the smell annoyance is not for everyone.
frequently asked Questions
- Can I use natural and chemical fertilizers together? - Normally yes. However, they should make sure that the soil is not overfertilized. Because chemical fertilizers are absorbed immediately by the plants, natural need a little longer.
- Can I of course also buy fertilizers? - Increasingly, there are now natural ready to buy fertilizers, although the above tips are much cheaper.
- Can I harm my plants by forgoing chemical agents? - In no case, because an over-fertilization is basically excluded.
If fruits, vegetables and lettuce thrive well, you usually use garden fertilizers. These are available in various packaging contents in DIY stores and garden centers. The question is with the garden fertilizer, of course, on the one hand, in far this is flexible, so whether it is suitable for the fertilization of several plant species. The answer results from the ingredients. Recent tests have shown that many products contain in part immense amounts of uranium, which comes from the phosphate used, with uranium is still not regulated as part of garden fertilizers. In addition, in Germany, heavy metals in garden fertilizers are otherwise subject to very moderate limits, whereby heavy metals could enter the food chain through plants or groundwater.
There are other loopholes for fertilizer manufacturers. They can declare their garden fertilizer as EU fertilizer, with only limits for mineral fertilizers at EU level. As a rule, these are heavy metals such as arsenic and cadmium, but also chromium, copper and zinc. In particular, these heavy metals can accumulate in the human body and damage organs. But there are alternatives. Fertilization problems can cause not only uranium-containing fertilizers but also phosphate-rich fertilizers, including the so-called blue grain.
Bio fertilizers contain many additional trace elements. In addition, they are free of animal ingredients. In contrast, organic fertilizers such as compost, horn or bone meal, in turn, usually have lower uranium content, with compost usually ranging from two to three liters per square meter and year, because otherwise the soil is quickly overfertilized. The best is a fertilizer that has a targeted addition of nutrients that the soil actually needs. To test the need, a soil sample should be commissioned every three to five years.