N-TRACKER Plus is based upon multiple sampling dates from harvest to tassel emergence. Samples collected are submitted to KSI Soil Laboratory where selected tests are performed. Plant analysis is performed on whole plants at V3 to V5 Growth Stage and on the leaf opposite and below the ear just prior to or at Tasseling (VT).
FIRST SAMPLING DATE |
FOLLOWING SAMPLING DATES |
|
SAMPLING DEPTH
0 - 12 Inches 12 - 24 Inches |
SAMPLING DEPTH
0 - 12 Inches 12 - 24 Inches |
TESTS PERFORMED |
TESTS PERFORMED |
|
Nitrate-N
Ammonium-N Sulfur Boron Soil Organic Matter pH Phosphorus Potassium |
pH
Buffer pH Calcium Magnesium Cation Exchange Capacity Base Saturation Zinc Manganese |
Same as First Sampling Date
|
PLANT ANALYSIS
SAMPLING DATE #2: Growth Stage V3 to V5
Whole plant (cut at soil line): Full analysis
SAMPLING DATE #3: Growth Stage VT
Leaf opposite and below ear: Full analysis
Whole plant (cut at soil line): Full analysis
SAMPLING DATE #3: Growth Stage VT
Leaf opposite and below ear: Full analysis