Plant Tissue Testing and Analysis

Tissue Testing FAQs

Tissue Testing FAQs 

How do I take a sample?

  • Ensure with grower that the field is safe to enter

  • With clean hands & a sample bag - walk into the field a few hundred metres 

  • Flag or GPS locate the sampling area as to be able to return later

  • Record growth stage of crop on submission form

  • Begin collecting leaf samples from a representative area NOTE: Morning is best to prevent heat stress. Be sure to take samples at the same time of day & weather if trying to compare results before & after application(s)

  • Collect leaves or petioles from 15 to 30 plants depending on the crop 

  • AVOID irregularities such as high or low areas of the field - OR, take separate samples from these areas

  • Collect the most recently mature leaves or the whole plant without the roots if in early growth stages Ensure different application/seeding areas are sampled separately

  • If a poor area of a field is being investigated for deficiencies remember to take a sample from a good area as well to compare results with the poor area

How much sample is needed?

  • Approximately 2 cups of leaves or a large paper bag

  • Most analysis require a minimum of 2 grams of dried & ground 

How do I send a sample?

  • A&L has small & large paper bags available at the customers request however, any paper bag is acceptable

  • Please only use paper to store tissue samples otherwise samples decompose, & analysis can be compromised (do not use plastic bags)

  • Please label all bags & containers with grower information & sample ID

  • Paperwork should be included with all samples

  • Submission paperwork can be found on

  • Please label all bags and containers with grower information and sample ID

  • Paperwork should be included with all samples

  • Submission paperwork can be found on

  • Samples can be dropped off Monday to Friday 8 am to 5 pm. After hours, samples can be placed in the plastic shed located between buildings

  • Samples can also be shipped via courier to 2136 Jetstream Rd, London, ON N5V 3P5

How long will it take to get my results?

Tissue sample results are completed within 1 business day of being received at the lab

How can I access my previous tests?

  • Results are emailed to email contacts on the account submitting the sample

  • Previous results can be accessed through the Dataweb using your account number

A&L's AGRICULTURE SERVICES - click on a category to view test packages available

SERVICES:  Soil Testing & Analysis • Soil Health Tests • Plant Tissue Testing • Plant Monitoring Program for Tissue Testing • Chemical and Fertilizer Analysis • Feed / Manure Analysis • Compost Analysis • Plant Disease Diagnostics (PDD)

PRECISION AG:  TerraSiteRx Data Analysis Platform:

1. Site Specific Soil Mapping

2. Algorithms from Remote Imaging for: Crop Health Report - MNDVI, Crop Stress, Crop Damage, Plant Stand Count / Plant Density, Biomass Targeted Zone Sampling and more

A&L Canada Laboratories Inc.


We are an innovative, research driven technology company focused on sustainable development. Through leading expertise, modern laboratory facilities and strong customer focus, A&L serves a wide range of industries including Agriculture, Environmental, Food & Pharma -- globally.


In Agriculture, A&L provides comprehensive analytical services for soil, plant tissue, feed, fertilizer, and water. A&L’s services also include production recommendations, remote sensing and precision agriculture capabilities. A&L Biological Inc. ( is a subsidiary of A&L Canada Laboratories Inc. focused on research and development of biological compounds for use in agricultural production systems. The Environmental division provides organic and inorganic chemistry and general chemistry using state of the art technology and methodology. For Food & Pharma, A&L provides analytical services for plant tissue, water, media and finished product. A&L’s services also include disease diagnostics, genetic analysis, production recommendations, and Plant Monitoring Program. The company operates three analytical laboratories serving clients throughout Canada, the US and Internationally.

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A&L Canada Laboratories Inc.

2136 Jetstream Road,

London, Ontario N5V 3P5

Tel: 519-457-2575

Toll Free: 1-855-837-8437

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