1. The QuikTest solution has a shelf life of over 3 years
True
False

2. The QuikTest solution is concentrated sulfuric acid, and the reagent used as the color indicator is diphenylamine.  
True
False

3. Plant nitrate concentrations are usually higher early in the morning, so afternoon cutting is a good recommendation.
True
False

4. Plant nitrate levels are always very uniform across a field of barley or oats, and all classes of livestock have the same level of tolerance.
True
False

5. Oklahoma State University data indicates that >10,000 ppm NO₃      (= 1% NO₃ = 2300 ppm NO₃-N) can cause abortions, acute toxicity and death.
True
False

6. In 2002, I evaluated (about) samples with my Nitrate QuikTest.
 

7. Of the samples I tested in 2002, (about) were “hot” – immediately stained dark blue-black.  (The producer was told to delay cutting, to re-check before harvest, and to have a lab test prior to feeding).
 

8.  Of the samples I tested in 2002, (about) were “marginal or questionable” – some stained blue after a few seconds and some did not.  (The producer was told to delay cutting and re-check before harvest, or to have lab test prior to feeding).
 

9.  Of the samples I tested in 2002, (about) were “safe” – samples did not stain.

10.  Did you encounter any discrepancies between lab and Quicktest results?  Were there other problems or suggestions to improve the Nitrate QuikTest?:

Your Full Name

Your Email Address *

Your County

Your Phone Number *

* these fields are necessary so that we can make arrangements for delivery of the Nitrate Quiktest.