Como hacer un plaguicida
Not only do we love red cabbage and apples. Bugs, too, see in fruits and vegetables a tasty morsel. In many crops farmers have to deal with fungi, pests and weeds. Pesticides are then used to combat these. But what about pesticides? How harmful are they to the environment, and aren’t we better off without them?
The use of these agents is not without consequences. It can lead to contaminants in our soil, water and even the air. The agents can also be bad for biodiversity. Pesticides are used to get rid of diseases and pests. As a result, harmless ‘critters’ such as bees and other pollinators can suffer from the use of these agents. We must guard against this. At Natuur&Milieu we have a clear view on how everyone, from grower and supermarket to government and consumer, can work together on this.
We cannot lump all pesticides together. The harmfulness of a pesticide depends on its toxicity. Not every chemical agent is very harmful to the environment, and even biological agents can sometimes be quite environmentally unfriendly. So it’s not as black and white as is often thought.
Although we can find a wide variety of insecticides in nurseries, the reality is that many of them are very harmful to the environment. They must be used properly, read the label on the package beforehand, to minimize the potential damage they can cause. For this reason, more and more people choose to treat plants with natural products they do not pose any danger neither to people nor to them, those living beings that decorate our home or our garden.
One of the most effective pesticides that we can make quickly at home is the one that I am going to explain to you below. Find out how to make a pesticide with garlic and onion And that’s how you contribute to caring for the environment.
Synthetic (chemical) pesticides can be very useful in certain situations, when pests are already widespread, but long-term use is not recommended.and much less when we grow plants for human consumption. In addition to being toxic products, over time they weaken plants, which can happen to us if we lived permanently in a house: if we go outside, any virus, bacteria, drastic temperature changes, etc., can make us sick. It can make us sick because our immune system simply would not have had a chance to create the antibodies necessary to deal with it.
Rainwater or well water is best used to make the pesticides. If this is not possible tap water, however to hard water add a tablespoon of vinegar per liter of water.
Add 1 kg of fresh nettles to 10 liters of water and let steep for 6 days. Filter. Dilute before use: 2 liters of decoction to 10 liters of water. The solution can be kept in a sealed container in the dark for several days.
Horsetail is a medicinal herb that contains a lot of silica. Horsetail extract is the best known plant extract against all kinds of fungal diseases. You should spray it repeatedly in sunny weather and preferably in the morning, on the ground and on the plants. In spring and autumn, it is useful to treat the entire soil surface once. In real fungal weather (hot and humid) horsetail extract is not adequate. Horsetail extract is also said to increase the plant’s resistance to aphids and mites. Sometimes slurry is used instead of decoction. Extract: 1 kg fresh or 150 g dried plant parts on 10 l water, boil for fifteen minutes, and let it brew for a few hours. Then strain and dilute 5 to 10 times before spraying. Slurry: Fill a vessel with plants and water in the same ratio as for the decoction. Allow to stand for ten to twenty days. Stir every day and add a handful of rock flour. (Sugar makes it ferment well) Dilute ten times before using.
If pests, weeds or mold don’t go away with these environmentally friendly steps, coarser artillery is needed. Before using pesticides, it’s good to know the risks of the agent (poison) so that people, animals and plants are not at risk.
A pesticide contains working (chemical) substances that are toxic to the pests, fungus or weeds. Often the pesticide is also dangerous for other (domestic) animals, plants and people. Permitted pesticides are tested for safety, effectiveness and environmental impact. But authorized does not mean environmentally friendly. Some substances are harmful to groundwater, soil or (beneficial) insects when used incorrectly. It is therefore important to follow the instructions for use. Which agent you are allowed to use against a pest can be found on the approval list of the Board for the Authorization of Plant Protection Products and Biocides (Ctgb) and can be recognized on the label by a number that starts with ‘NL’, ‘EU’ or ends with an ‘N’.