South Texas: It’s Soil Testing Time

Photo: Alan Franzluebbers, USDA/ARS

The Soil Fertility Experts at Texas A&M AgriLife Extension Service recommend soil testing fields for soil available nitrogen annually to a depth of 24 inches. The Mid-Coast IPM Program is equipped to soil test with a hydraulic soil probe that samples to a depth of 24″.

The cost for the IPM soil testing program is $2 per acre with a minimum of $45 per field.

Contact Stephen Biles:
361-552-3324 (Office)
361-920-1138 (Mobile) or
biles-sp@tamu.edu

Since 2013, we sampled fields in Calhoun Refugio and Victoria Counties and found soil nitrogen levels ranging between 11 and 168 lbs N per acre.  In a time when farm budgets are being squeezed tightly, this can be a opportunity to reducing costs without affecting yields.  You may find this service from several different sources including your IPM program in Calhoun, Refugio and Victoria Counties.

Nitrogen Levels from soil test in Calhoun, Refugio and Victoria Counties (2013-2017)
 N 0-6″      Lbs/A  N 6-24″    Lbs/A  Total N     Lbs/A
Mean 20.7 41.5 62.2
Median 16.0 36.3 51.2
Max 72.0 120.8 168.8
Min 2.0 1.0 11.5



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