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Weed killer for watering? - Yes, of course, a few gardeners really still think and consider all planting in your garden generously with weed killer, if there is something not planned grows there.
A potentially fined behavior under the aegis of the new Plant Protection Act, in which the weed killers for casting are rather the exception. For some plants and some applications, weed killers are still available today:
Weed killer for watering - not the rule anymore
The new Plant Protection Act stipulates the application form for each weed killer, which is the gentlest for plants and the environment. From the point of view of the now mandatory integrated pest management, the most gentle form to be considered is the simple omission of the application of weed killer. This is even prescribed if an unplanned growth can be controlled with reasonable effort by horticultural care measures (use of ground cover), by mechanical disposal or by the targeted use of beneficial organisms.
If these funds are exhausted, weed killers are also available for the house garden and allotments, which may be applied only in the prescribed form. For every pesticide today the gentlest method of application is explored and obligated to the user. Very often this is the single plant treatment, so each plant must be individually wetted with the weed killer.
That makes sense, if it is z. B. is a weed killer, which acts against monocotyledonous and dicotyledonous weeds. Because such a weed is any plant that develops green leaves, either stand-alone as in grasses or divided into two as in many other plants. A weed killer will not decide if a plant is considered weeds, so kill the dandelion as well as your precious garden orchids if they get a hold of it.
Weed killer for watering lawns
Whenever it comes to turf, it does not work so well with the single plant treatment. More specifically, a single plant weed treatment in the lawn is ridiculous or impossible, and our legislator usually does not ask us to do the impossible (although occasional counter evidence goes through the media). Therefore, there are some weed killers in the current Plant Protection Act, which may be spread over a large area with the watering can.
For the developers of the pesticides have also been thinking: There are certain active ingredients that act exclusively against dicotyledonous weeds, so let the turf grasses continue to grow in peace.
These drugs are called Dicamba, Dimethylamine, MCPA or Diflufenican, they are taken up by leaves and roots and transported within the plant. Then these remedies speed up the growth of dicotyledonous plants so much that they are soon undersupplied with nutrients and enter. When the remedies are applied in warm, growth-promoting weather, the plants die off more quickly. In any case, it has to be taken into account that treated plants must continue to grow for several days until they have a herbicidal effect.
These chemicals are chemical compounds that are not among the most dangerous used in our plant protection products. They are almost not absorbed through the skin, are not harmful to bees and not fox-toxic. When used according to the instructions, these agents are metabolised by microorganisms in good conditions (moist soil with slightly acidic pH) in about 2 weeks.
Nevertheless, the packing instructions should be observed, these agents may irritate the mucous membranes and eyes and may not be applied to the aquatic environment or to the environment; As toxic to algae and higher aquatic plants, a contamination of the groundwater by flushing would be possible in overdose.
More dangerous means
Against moss in the lawn there are also weed killers for casting, the acetic acid or pelargonic acid. These remedies are designed to deliver exactly the level of active ingredient that causes mosses to die but does not damage the lawn.
Whether or not you can use the acetic acid from your storage cabinet to replace the ready-mixed plant protection product depends first of all on your computing skills: The commercially available moss killer contains 102 grams of acetic acid per liter of pesticide, of which 100 ml per square meter should be applied to 2 liters of water each, So you would have to convert your purchased vinegar from the concentration on these proportions, so you can be sure that neither your lawn, nor the groundwater damage (prohibited would be the use, however, because you have numerous warnings on the pack when buying a pesticide get your home remedy missing).