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OPMA Water Testing
Water & Pond
Gas and Oil Water
Forage & Feedstuff
Media & Soilless Mixes Testing
Testing by Saturated Media Extraction (SME)
Plant Tissue Testing
For information on the proper way to take a plant sample for tissue analysis, give Holmes Laboratory a call at 1-800-344-1101 or 330-893-2933.
Irrigation Water Testing
The Importance of Grower Meetings
During the producer grower meeting on Tuesday evening August 30, 2005 at Mt. Hope, Ohio we learned how soil testing can help prevent effects on plants. Ron Becker from the OSU Extension office in Wayne County explained that during this hot and dry growing season, he observed different kinds of crops that had unusual growth characteristics, deficiency symptoms, etc. that appeared to be related to soil pH.
I found some interesting information to share that helped me to understand how the level of pH in the soil influences the plant concentration by affecting the availability of elements.
Please see the following chart. Each horizontal graph section represents an important element needed for optimal plant growth. The vertical lines represents different pH levels in the soil. The thin or narrow part of each horizontal section means that the absorption and availability of that element into the plant is reduced.
Let us use phosphorus as an example. We can see that when a soil has a pH of 6.5 to 7.5, the available phosphorus in the soil will be absorbed into the plants. When I studied this chart, I also learned that a soil with a pH above 7.5 is just as bad as a soil that has below 6.5 pH. The horizontal graph section for phosphorus becomes more narrow outside of the 6.5 to 7.5 range.
How many of us do not know what our soil pH is for the garden, truck patch, etc.? If we do not have a current soil test, then we can only guess on the amount of Lime or fertilizer to apply. As a reminder of the importance of the soil test report, please review the pH chart.
We always hear at the produce grower meetings that quality and quantity will help the auction to continue to be successful. Do you agree with Ron Becker that testing pH and other elements is a start to customizing a soil fertility program for your needs?
If you are interested in knowing more about your soil fertility parameters, please follow the instructions on "How To Take A Soil Sample".
US Mail address: PO Box 204, Winesburg, OH 44690-0204
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