[NAFEX] Saving over-fertilized plants
royj157 at gmail.com
Thu Jan 28 11:57:10 EST 2010
Plants are all over the map when it comes to 'salt tolerance' so there is no
one good answer. Sandy soils are more difficult to manage for salts since
they do not buffer very well, and some plants can tolerate a lot of salts,
ie Sweet Corn or Potatoes. Best to follow the recommended rates as promoted
by your local Land Grant College Extension, and adjust lower for sandy soils
and higher for heavy/organic soils.
Find out if you are growing a 'salt sensitive' crop and do not over
You could perhaps plant a temp cover crop to soak up the excessive salts for
a time, like buckwheat.
On Wed, Jan 27, 2010 at 7:32 AM, Jim Fruth <jimfruth at charter.net> wrote:
> If your plant needs fertilizer and you fertilize it, it usually takes
> eight days for the fertilized plant to show signs of being fertilized. If
> you over fertilize, the effect may appear sooner. If over fertilized and
> you want to save the plant, stir in copious amounts of gypsum into the soil
> and water profusely. This technique usually works with potted plants and
> can also work if planted outside in well drained soil. It'll take time but
> plants often restore their health.
> Most of the cases of over fertilization I hear about is from users of
> 'Miracle-Gro.' I warn my students to not use it or any high nitrogen
> fertilizer -or - if they do continue to use it, water with 1/2 teaspoon
> little end of the plastic spoon that comes with Miracle-Gro) per gallon of
> water every)(!) time they water the plant.
> Jim Fruth
> Brambleberry Farm
> Pequot Lakes, MN 56472
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