Soil Amendments
Q.

Hello, could you help me to cite this article (What Is Superphosphate : Do I Need Superphosphate In My Garden), the publication

amosamedius added on April 24, 2019 | Answered

date is missing.

A.
A.Answers to this queston: Add Answer
MichiganDot
Answered on April 24, 2019

The date is May 7, 2018 for the article on superphosphate. Don't use it without first having a soil test done to determine if you have a deficiency. Many USA soils have adequate amounts of phosphate, the middle mineral in NPK. Superphos is very potent and may cause signs of too much phos in your plants. Commercial agriculture, farming, is one instance where this product is useful. There is more information on soil phosphorus in this article: https://ag.umass.edu/cafe/fact-sheets/fertilizing-flower-gardens-avoid-too-much-phosphorus
You might check your state Extension Service for information on soils in your region. They also do soil testing for a nominal fee and provide fertilizer suggestions based on the results and what you are growing.

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