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What is sodium selenate and how is it used?

Sodium selenate is a poison that is applied to the soil, absorbed by plant roots, and taken up into stems and leaves. When sucking insects, such as mites, feed on poisoned leaves, they die. Sodium selenate is best applied by setting a pot in a solution until the soil has been wet through. One treatment should take care of a plant for about five months.


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Next Can sodium selenate kill plants as well as insects?
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