Rock River
Laboratory, INC.

Corn Plants

Plant Tissue Analysis

Explore the Plant Tissue Plus suite of tools

Plant tissue analysis provides agronomists and growers an opportunity to diagnose nutrient deficiencies in crops as they grow, but the process of collecting and submitting a tissue sample can seem daunting. This is why the team of experts at Rock River Laboratory crafted the Plant Tissue Plus suite of tools, combining easy-to-use tools that take the confusion out of plant tissue analysis:

Easy Sample Submission

  • The free Plant Tissue Plus app was designed to easily submit samples and decrease the chance of human error.
  • Simple paper submission forms are also available and easy to complete.
  • Breathable, pre-labeled tissue bags include barcodes to scan directly into the Plant Tissue Plus app, while also allowing the sample to dry in the bag, reducing chances of error and improving analysis turnaround time. 

Accurate, Customized Analysis

  • Accurate plant tissue analysis from Rock River Laboratory can help understand strange plant colors or help in weekly corn plant tissue analysis for record yield programs. 
  • Plant-soil convergence analysis utilizes plant and soil analysis to paint a complete picture of the plant and soil interaction to help solve challenges in the field - correcting the problem instead of just the symptom. 

Logical Results Reporting

  • Easily interpreted visual reports visually represent interpretations in a simple graphic that plots out where the plant tissue and soil analyses lie - providing an opportunity for better communication between agronomists and growers. 
  • Published research interpretations are unbiased and stem directly from research conducted and published by the University of Wisconsin-Madison. Plant Tissue Plus reports also include as many interpretations as there are data - including sufficiency ranges, PASS (Plant Analysis Standardized Scores), and DRIS (Diagnosis and Recommendations Integrated System). 

Learn more about the Plant Tissue Plus suite and potato petiole analysis through the tools below:

Plant Tissue Plus suite detailer

Potato petiole analysis information

How to collect a plant tissue sample

The methods for taking a plant tissue sample vary according to plant type and growth stage. Rock River Laboratory highly recommends following the instructions provided by the University of Wisconsin-Madison to ensure a proper sample is collected.

Plant tissue sampling instructions

Tips for submitting a plant tissue sample to Rock River Laboratory

  • Submit the sample within 24 hours of sample collection
  • If you cannot submit the sample within 24 hours, store the sample in a cool, dry place or refrigerator (do not freeze)
  • Keep the sample in a breathable paper bag; Rock River Laboratory provides plant tissue bags at no charge
  • Include the proper submission form (available below) or utilize the Plant Tissue Plus sample submission app

Plant tissue sample submission form

Rock River Laboratory

Founded in 1976, Rock River Laboratory is a family-owned laboratory network that provides production assistance to the agricultural industry through the use of advanced diagnostic systems, progressive techniques, and research-supported analyses.  Employing a team of top specialists in their respective fields, Rock River Laboratory provides accurate, cost-effective, and timely analytical results to customers worldwide, while featuring unsurpassed customer service.

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