Bluestone: Why and how to apply on the site? Should we be afraid to use it in the country?
A lot of controversy among truckers on the use of copper sulfate. One year are treated with their own land, and against pests, and sometimes even as a top dressing. Others are ardent opponents of this chemistry, calling poison to any living organism, not only for the pests. Here are some facts.
Firstly, as far as I know, from controlled safety performance copper food has long ruled out as a toxic element. I said it a familiar chemist, but if you do not believe me, each of you can search a variety of sources.
Secondly, water-soluble form of copper (copper sulphate), will wash the autumn rains and spring floods. That's why I advise you to handle the fall of Phytophthora and other fungal diseases of garden and trees and bushes in the garden.
Copper sulfate - is only effective for the prevention of fungal development. This fungicide is working to limit the development of fungi. If the fungus spores have struck the leaf tissue, and fruits, the bluestone will not help cure the plants.
Chemical composition: crystalline copper sulphate (CuSO₄ ∙ 5H₂O), i.e. inorganic compound. It is less harmful to the environment the compound compared with the latest pesticides based on highly organic components.
for reference - on SanPin 2.1.4.1074-01 in drinking water might be copper to 1 mg / l of lead - up to 0,3mg / l Cadmium - up to 0,001mg / L Manganese - up to 0.1 mg / l, and so on.
Bluestone vacationers even used as a fertilizer, but it can be done exclusively in the If you have seen a lack of analyzes of the soil and the use of copper as such, no more frequently than once a 5 years.
My neighbor, a solution of copper sulphate every fall with the trees, as well as separately in the spring sprinkles holiday biotoilet mildew. The same as for the prevention of mold can be sprayed with the house.
This drug used in anti-scab and spots on apples and pears. A solution of copper sulphate copes with such diseases of stone fruit trees as cherry leaf spot, moniliosis.
In principle we can and apply from mildew, but it is easy to cope with a solution of water, soda and milk. So I never applied chemistry from mildew.
How to dissolve copper sulfate.
The solution can not be prepared in a metallic container. Dissolve only in glass or enameled ware and in warm water. Dissolving granules must immediately before use and before application of strain.
The working solution (as per instructions) need to bring:
- 10 l of water
- 1% working rr copper sulfate - 100 g
Copper sulfate is able to burn the leaves of plants if sprayed in the spring or summer. In such cases, it is prepared from a mixture of slaked lime. This softer impact liquid called Bordeaux mixture. Recipe:
for the preparation of a 3% strength solution will require 300 g of copper sulfate, 400 g of lime and 10 L of water, and for 1% - 100 g copper sulphate, 100-150 g lime and 10 water.
Precautionary measures:
Remember that you can not by any means in the life of abuse, not to turn them into poison. The uncontrolled use of lead to the death not only pests but also the plants and even human disease. It is strongly recommend to work with any pesticide in protective clothing from head to toe, wearing glasses and a respirator.
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