How would you like to start?

Upload a NovaCropControl report, or enter values from any lab by hand.

Why Plant Sap Analysis?

Real-Time Crop Health

Sap analysis is like a blood test for your crops. It shows what nutrients are actually moving through the plant right now, not just what's in the soil.

Early Detection

Detect deficiencies 2 to 4 weeks before visible symptoms appear, giving you time to correct issues before yield loss occurs.

Young vs Old Leaf Comparison

Comparing young and old leaves reveals whether the plant is pulling nutrients from reserves or getting fresh uptake. This is critical for understanding nutrient flow.

Sample Details

Crop

Location / Field

Variety / Cultivation

Sample Date

Choose "Young & Old" to unlock mobility and reserve-depletion insights.

Enter Values & Optimal Ranges

Fill in only the parameters your lab reported. Leave the rest blank. Each parameter needs a value plus an optimal minimum and maximum for it to be included. Units are shown as a guide but any lab's units work.

Parameter Young Old Optimal min Optimal max Unit

Custom parameters (anything not listed above)

Key Insights

Critical Low

Low

Optimal

High

Excess

Sample Info

-- Auto Ranges

Plant Health Grade

Distribution

Critical

Low

Optimal

High

About This Tool

Plant Sap Analyzer

Version 3.0 • Built by AgriBio Systems

What is Plant Sap Analysis?

Plant sap analysis measures the nutrients actually circulating in your crop's vascular system. Unlike soil tests, it shows what the plant is actually taking up and using, providing real-time nutritional status, like a blood test for your crops.

Why Compare Young vs Old Leaves?

Mobile nutrients (N, P, K, Mg, Mo, Cl) can be redistributed from older leaves to new growth when the plant is under pressure. If young leaves are noticeably higher than old leaves and overall levels are borderline, the plant is pulling from reserves, a sign that current uptake isn't fully keeping up with demand.

Immobile nutrients (Ca, S, Fe, Mn, Zn, B, Cu) largely stay where they were first deposited. If young leaves are deficient compared to old leaves or fall below the target range, the plant isn't getting enough from the roots. Foliar feeding is usually the fastest way to correct it.

Two Ways to Enter Data

Upload a NovaCropControl PDF and the analyzer extracts the crop-specific optimal ranges automatically, or use Manual Entry to type in values from any lab and set your own optimal ranges. Manual entry means the tool works with any laboratory format and any crop.

Privacy & Disclaimer

Your data is processed entirely in your browser, nothing is sent to any server. This tool is not affiliated with NovaCropControl or any laboratory. Always consult a qualified agronomist before making management decisions.

Important Disclaimer