How to Stop Yellow Leaves on Tomatoes

I started a new box garden on the north side of my home. I have planted some tomato plants, but now they are getting yellow leaves with brown spots. What can I do to stop this?

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1 Comment To "How to Stop Yellow Leaves on Tomatoes"

#1 Comment By Nikki On 03/20/2011 @ 1:06 pm

For now, treat it as a watering or nutrient issue. This article will help you determine which it is:
https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm ^[1]

But be aware that this is also a sign of a bacteria. It will kill the plant if it has been infected, but I would not assume it was this until after you have tried to reverse the yellow leaves though watering and fertilizing. Here is more info on the bacteria:
https://www.gardeningknowhow.com/edible/vegetables/tomato/early-blight-alternaria-tomato-leaf-spots-yellow-leaves.htm ^[2]

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[2] https://www.gardeningknowhow.com/edible/vegetables/tomato/early-blight-alternaria-tomato-leaf-spots-yellow-leaves.htm: https://www.gardeningknowhow.com/edible/vegetables/tomato/early-blight-alternaria-tomato-leaf-spots-yellow-leaves.htm

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