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Alfalfa fertilization
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Hay Wilson in TX
Posted 3/21/2013 09:26 (#2980347 - in reply to #2979559)
Subject: RE: Alfalfa fertilization



Little River, TX
If you pull hay samples you probably have P, K, Mg, & Ca using NIR. The wet analysis usually have more, but seldome report sulfur or boron.

If your P levels are in the 0.20% P range, you might want to add Phosphate,
If your P levels are above the 0.35% P range you probably do not Need Phosphate.

If your K levels are below 1.70% K range you might add some Potash.
If your K levels are above the 3.00% P range you probably do not Need Potash.


My customer base are only interested in Protein at best. So I request a plant analysis for the Hay Analysis and multiply the % N by 6.25 for the CP %.
Every cutting from each field is sampled and I average the results for each field.
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