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PostPosted: Apr 5th, '18, 20:42 
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Hello fellow growers,

I have been running into an issue with my new system where my plants are starting to show signs of deficiencies. I am not quite sure what could be the missing or deficient nutrient and I don't want to do anything that may cause bigger problems. Here are some pictures of the leafs showing signs of stress. It seems to be happening mostly with tomato plants and it shows on old leafs only and not new leafs. What could be the problem?

Thanks in advance to anyone that can offer any help or suggestions.

Cheers.


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PostPosted: Apr 6th, '18, 05:55 
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This looks like a magnesium deficiency. You can apply Epsom salts as a spray and it should help with this. Sometimes the dose for spray application is on the box of epsom salts but doing a google search will find the right dose.


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PostPosted: Apr 6th, '18, 06:07 
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Scotty's right, magnesium deficiency :thumbright:

Here's yours dose rate for foliar spraying: 375g to 20litres.


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PostPosted: Apr 6th, '18, 14:44 
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Thanks scotty and joblow. I will try your suggestion and see what happens. Cheers.


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