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Old 03-20-2017, 11:03 PM
Guarceñosis Guarceñosis is offline
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Mixing fertilizers/insecticides/fungicides
Default Mixing fertilizers/insecticides/fungicides

Is it recommended to mix fertilizers and insecticides and/or fungicides to spray at once? The question is because my greenhouse is small so its easier to spray one time a week. Your opinions will be appreciated.

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Old 03-20-2017, 11:37 PM
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estación seca estación seca is offline
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Mixing fertilizers/insecticides/fungicides

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Mixing fertilizers/insecticides/fungicides Male

Usually no, sometimes yes. You have to read the labels. The pH may alter the function of the insecticide or fungicide, or the solubility of something may be affected by something else. This information is normally on the long label with insecticides or fungicides.

There are are premixed fungicide-insecticide-miticide products for sale in the US. I don't know about other countries.
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Old 03-21-2017, 07:03 AM
bil bil is offline
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Mixing fertilizers/insecticides/fungicides

Safest to do one at a time.
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Old 03-21-2017, 09:38 AM
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dounoharm dounoharm is offline
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I do mix;
fertilizer, Epsom salts, soap
insecticide, diatomaceous earth, and soap
I never mix fert and insecticide
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Old 03-21-2017, 09:58 AM
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jkofferdahl jkofferdahl is offline
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I've heard of and seen mixtures of insecticide and fungicide. I'd be careful about mixing them yourself unless the label specifically says you can. Fertilizers I would save for a different application.
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Old 03-21-2017, 12:02 PM
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Leafmite Leafmite is offline
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Mixing fertilizers/insecticides/fungicides

We mix Captan and Malathion when we spray our trees.. That is what everyone advised when we were first getting started with fruit trees. If using a sprayer, make sure you shake the sprayer often to keep the solution evenly mixed.

I have no experience adding fertilizer at the same time but there are products that combine all three: fungicide, insecticide and fertilizer (often found in products for roses). I would not imagine that fertilizer would react with the fungicide and insecticide.
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Last edited by Leafmite; 03-21-2017 at 12:08 PM..
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easier, opinions, spray, time, week

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