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Re: Potato nitrogen deficiency

Square Foot Gardening List - http://myweb.flinet.com/~gallus/sqft.html

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Is the yellowing beginning at the bottom or at the top of the plant?  If at 
the top, it could be iron deficiency.  If yellowing starts at the bottom, 
that sounds more like nitrogen deficiency. If sort of all over, it could be 
magnesium deficiency.  Irish Eyes sells the Simplot Potato Field Manual 
with excellent photos of potato problems for about $7. If you're a potato 
grower, I'd highly recommend it. (Simplot is the guy who corrals spuds for 
McDonalds french fries and other commercial ventures...) Margaret L


>Hello all...I need a little help.
>I am growing Red Ruby and Epicure potatoes for the first time (small
>plot) that I purchased from Shepherd's. I am in zone 6, planted them on
>April 23 (they were late shipping them to me). They came up like
>gangbusters, some produced a few flowers 2 weeks ago. No flowers now. In
>the past 2 weeks, the leaves are yellowing and not much
>growth...nitrogen deficiency from what I can tell. Plants average around
>18" tall. I have good loamy soil, have added homemade compost as a
>mulch. I applied fish emulsion today (5-1-1). Is there any hope? Any
>other suggestions?
>P.S. I use only organic methods.
>
>TIA
>Lisa C.
>--
>"To dream of the person you would like to be
>is to waste the person you are."
>-author unknown
>
>
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