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| PLANT ANALYSIS |
 (RECOMMENDATIONS
INCLUDED)BASIC TEST:INDIVIDUAL ANALYSIS: 
Don't overlook the importance of leaf analysis for vegetables. Plant tissue analysis is the most accurate way to monitor plant nutrient uptake. Knowing the effectiveness of your current program can allow fine tuning for maximum results. Special Programs: We have several programs specifically designed for various industries. They include (but are not limited to):
Do you have a testing need not
listed here? Let Us Know! We can customize a test package to fit your
specific needs.
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Follow these basic guidelines to ensure a good plant sample is taken and received by the lab. Pull portion of plant needed using the chart below and place leaves in a Plant Sample bag or paper bag. Do not use a plastic bag. Wash contaminated samples gently with water if needed. When possible, collect a soil sample from the same location the plant sample was taken. Fill out the information sheet as completely as possible, including crop, stage of growth, and sample number. Be sure the sample numbers of the information sheet correspond with the numbers on the sample bags. The following chart shows field crops and the proper part of each plant to sample and send in. |
Plant Sampling Chart for Field Crops |
| Field Crops: | When To Sample | Plant Part To Sample | # of Plants to Sample |
| Alfalfa | At 1/10 bloom stage or before. | Mature leaf blades about 1/3 of the way down the plant | 45-55 |
| Cereal Grains (including rice) | Seedling stage | All the above ground portion | 50-75 |
| or Prior to heading | 1st 4 leaf blades about 1/3 of the way down the plant | 30-40 | |
| Clover | Prior to bloom | Mature leaf blades about 1/3 of the way down the plant | 50-60 |
| Corn | Seedling stage | All of the above ground portion | 25-30 |
| or Prior to tasselling | The fully developed leaf below the whorl. | 15-20 | |
| or from tasselling to silking | The leaf at the ear node of the one above or below it. | 15-20 | |
| Cotton | Prior to or at first bloom or when first squares appear | Youngest fully mature leaves or main stem | 30-35 |
| Hay, forage, or Pasture grasses | Before seed head emergence or at the stage for best quality. | The 4 upper most leaf blades | 50-60 |
| Milo-Sorghum | Before or at heading | Second leaf from top of plant | 20-25 |
| Peanuts | Before or at bloom stage | All of the above ground portion | 20-30 |
| Soybeans | Seedling stage | All of the above ground portion | 20-30 |
| or Prior to or during initial flowering | Fully developed leaves at the top of the plant. | 20-30 | |
| Sugar Beets | Mid-Season | Fully mature leaves midway between the younger center leaves and the oldest leaf whorl on the outside. | 30-35 |
| Sugar Cane | Up to 4 months old | Fourth fully developed leaf from the top | 25-30 |
| Tobacco | Before bloom | Top fully developed leaf | 8-12 |
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IF SAMPLING INSTRUCTIONS ARE NOT GIVEN FOR YOUR SPECIFIC CROP, THE RULE OF THUMB IS TO SAMPLE THE YOUNGEST FULLY MATURE LEAVES |
