Green Forage Nitrate Test Kits

Green Forage Nitrate Test Kits

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Product ID: NTK-GF

Maximize Yield and Reduce Costly Fertilizer Application

Quick and Reliable Results, Easy to Use, Environmentally Benign

Use the NECi Nitrate Test Kit for Livestock Feed to prevent livestock toxicity from excess nitrate, often caused by drought conditions.  Obtain accurate and reliable results in less than an hour.  These enzyme based test kits are non-toxic and environmentally benign.

Drought may lead to excess nitrate uptake leading to toxicity

The USDA maintains a "US Drought Map" showing areas of concern. View HERE.

Test for nitrate levels in wet livestock feed (green chop, standing hay, and silage) to check for nitrate toxicity.  Drought may cause stress in plants, encouraging excess nitrate uptake.  Too much nitrate may lead to illness or even death in livestock, especially pregnant and lactating animals or young animals.  

Use this kit where sap or a wet extract is available.  This kit will detect 0 - 9000 ppm nitrate (0 - 2000 ppm nitrate-N or up to 0.9% N).  All you need in addition to this kit is a garlic press or similar apparatus to squeeze plant sap from your samples.  Kits are designed to be easy to use, provide accurate and reliable results, and contain no toxic materials.  

Choose from kit packs for 5, 10, 25, or 50 samples.

Two Ways to Improve Your Nitrate Testing Experience

Use our New Handheld Photometer

Check out our new handheld photometer which displays and tracks nitrate and phosphate results digitally on Android mobile devices.  Obtain near lab-quality data without needing laboratory equipment or experience.  Our Introductory Photometer Package is complete with the photometer, instructions, and a 10-sample test kit pack of your choice.  Use your own Android mobile device, or add-on a control pad tablet for tracking, storage, and sharing of data.

Download the Free Nitrate Color Slider App

For a free interactive color-matching tool, use our free nitrate color slider app for easier visual analysis of colorimetric results.  Instead of using the color chart provided in the instructions, simply match the color on the screen with the color of each sample for more precise numerical values.  This app is available Online and in theGoogle Play store.

Nitrate Color Slider Google Play Store


Additional Information


Number of tests - Product ID

05 tests - NTK-GF-05

10 tests - NTK-GF-10

25 tests - NTK-GF-25

50 tests - NTK-GF-50

Related Documents

Green Forage Nitrate Test Kit Instructions

Data Sheet for Green Forage

SDS for On-site Field Test Kits

Livestock Feed Toxicity Chart

Each Kit Contains:

  • Tubes containing water to add your sample to
  • Plastic Pans
  • Squeeze Bulbs of Buffer
  • Squeeze Bulb(s) of Nitrate Standard
  • Reaction Cuvettes (contains enzyme)
  • Pipettes
  • Ampoules of Color Reagent
  • Cardboard Cuvette Holder
  • Set of Instructions

For more detailed information about this kit, please view the instruction sheet.

For technical support regarding kits, contact

For inquiries regarding orders, or to request a custom quotation for international orders, contact

Kits purchased to use in classroom demonstrations or projects may be eligible for discounts. Complete survey HERE

Call 1-888-NITRATE or (906)-296-1130 for answers, support, and to make comments.