ICLeaf – Smart Leaf Scanning for Crop Nutrition & Fertilizer Efficiency
Non-destructive ICLeaf technology helps farmers diagnose leaf nutrients, boost yields, and reduce fertilizer waste with real-time crop advice.
On this page:
Introduction to ICLeaf
Leaf analysis is vital in modern agriculture, as leaves are key sites for photosynthesis and nutrient absorption, reflecting the plant’s overall health. Traditional leaf analysis methods viz. destructive and non-destructive offer different benefits. While destructive methods yield detailed data, they damage samples. Non-destructive methods are faster, precise, and allow repeated monitoring without harming the plant.
Advancements in information technology have enhanced the accuracy and speed of leaf analysis. One such innovation is ICLeaf, developed by the Agriculture Research Organization (ARO).
This cutting-edge, non-destructive tool uses X-ray fluorescence (XRF) to analyze 11 nutrients (P, K, Ca, Mg, S, Zn, Fe, Mn, Mo, Cu) and NIR spectroscopy for Nitrogen.
It delivers actionable data within days, enabling farmers to make informed decisions, optimize fertilizer use, and adopt sustainable practices.
In the era of precision agriculture, ICLeaf is a major breakthrough. It helps tackle nutrient deficiencies, distinguish disease from nutrient stress, and supports tools like Agmatix’s Crop Advisor, an AI-driven platform that creates crop-specific nutrient plans, enhancing yield and sustainability.
How ICLeaf Solves Key Crop Nutrition Challenges?
Detecting Nutrient Deficiencies & Imbalances Early:
Poor soil, extreme pH, and improper fertilization often lead to nutrient imbalances, causing stunted growth, poor yields, and disease susceptibility. ICLeaf provides an accurate snapshot of plant nutrient levels, enabling early detection of deficiencies/toxicities and guiding corrective fertilization for healthier crops.
Precision Fertilization with Real-Time Efficiency Monitoring:
Overuse or underuse of fertilizers harms productivity, soil health, and the environment. Efficient fertilizer use is affected by soil type, moisture, and microbial activity. ICLeaf, integrated with Crop Advisor, enables precise nutrient application and real-time crop health monitoring, minimizing waste and maximizing yield.
Diagnosing Disease vs. Nutrient Deficiency Accurately:
Symptoms of nutrient deficiencies can mimic pest or disease damage, leading to misdiagnosis and ineffective treatment. ICLeaf accurately differentiates between nutrient-related and other issues, ensuring targeted action and avoiding unnecessary pesticide use.
Reducing Fertilizer Runoff & Supporting Sustainability:
Excess fertilizer runoff pollutes water, causes eutrophication, and degrades soil. ICLeaf supports sustainable practices by reducing runoff risks. Crop Advisors use ICLeaf data to tailor nutrient plans, integrate pest and soil health strategies, and promote eco-friendly farming.
What is ICLeaf? Advanced Leaf Nutrient Testing Tool
ICLeaf is a groundbreaking technology-driven service that combines XRF and NIR analysis to offer unparalleled precision in nutrient diagnostics for high-value crops such as grapes, pomegranate, banana, and tomato. ICLeaf is setting new standards in leaf testing, offering an extensive and repetitive service scope that is both effective and in high demand.
ICLeaf Sampling Protocol and Calibration Standards
Protocol for leaf sample collection
| Crop | Stage | Position | No. of leaves |
|---|---|---|---|
| Banana | Before bunching | Two strips 20cm wide from each side of midrib to margin from the centre section of the third fully expanded leaf. | 25 |
| Grapes | Bud differentiation stage (BDS) | Recently matured leaf or 4th to 5th leaf from bottom. | 50 |
| Full bloom stage (FBS) | Leaf opposite the first cluster or bunch. | 50 | |
| Pomegranate | Mid-season (Fruit development) | Leaf pair from the growing tip of non- fruiting secondary branches of tree node) | 50 |
| Tomato | Before flowering | Youngest mature leaf, 4th or 5th leaf from the top | 50 |
| First fruit matures | 50 | ||
| Cotton | Bloom stage | Youngest mature leaf, 4th or 5th leaf from the top | 50 |
Calibration and Standardization XRF and NIR
- Calibration is essential to ensure accurate and reliable results when using X-ray fluorescence (XRF) and near-infrared (NIR) spectroscopy for leaf testing. Regular updates and recalibrations are necessary to maintain precision as these technologies are applied to various crops and changing conditions.
- For standardization, we tested 50 samples of each crop using wet chemistry methods. These same samples were also analyzed in Israel using XRF technology to establish a standard logarithmic correlation between the sample readings. This process ensures that the XRF results are accurately aligned with the wet chemistry data, allowing for consistent and reliable nutrient analysis.
Benefits of Using ICLeaf for Farmers
- Rapid Nutrient Diagnosis: Provides fast and accurate nutrient analysis, enabling timely fertilization and better yield—unlike slow conventional methods.
- Non-Destructive Analysis: Uses XRF and NIR technologies for repeated measurements without damaging leaves, allowing continuous nutrient monitoring.
- Comprehensive Nutrient Assessment: Combines XRF (for macro/micronutrients) and NIR (for nitrogen) to give a complete picture of nutrient status more effective than traditional testing.
- Precision Agriculture Integration: Works with Crop Advisor for real-time nutrient management, supporting targeted fertilizer use and reducing environmental impact.
- Sustainable Crop Production: Enables season-long monitoring for precise nutrient application, improving crop growth while minimizing waste and environmental harm.
Crop Advisor: AI-Powered Crop Nutrient Management Companion
Crop Advisor is a cutting-edge tool that integrates precision agriculture technologies such as satellite imagery and soil sensors to enhance nutrient use efficiency (NUE) and fertilizer use efficiency (FUE) in agriculture.
By providing real-time insights into crop health and nutrient status, Crop Advisor empowers farmers with data-driven recommendations, ensuring optimal crop health and maximizing yields.
This technology enables farmers to make informed decisions that significantly improve both NUE and FUE.
Key Features of Crop Advisor
- Data-Driven Recommendations: Provides precise crop and yield-specific advice by analyzing soil, field conditions, and past performance.
- Integrated Nutrient Management: Works with tools like ICLeaf to deliver nutrient plans based on leaf analysis, improving efficiency and reducing waste.
- Customized Fertilization Plans: Develops dynamic, crop-specific plans considering soil health, crop stage, and environment to enhance nutrient uptake.
- Reduced Environmental Impact: Promotes precise nutrient use to prevent over-fertilization, lower costs, and reduce pollution risks.
- Improved Crop Yields: Enhances productivity and profitability by optimizing fertilizer use and boosting yields.
ICLeaf Impact – Sustainability, Yield Gains & Cost Savings
47% of farmers who received the ICLeaf and Crop Advisor report experienced a 10 to 20% increase in yield
- Since the launch in August 2022, 1600+ leaf samples have been tested on grapes, tomato & banana from the states of Maharashtra, Karnataka, Madhya Pradesh, Gujarat, Andhra Pradesh & Tamil Nadu.
- ICLeaf supports the sustainable useability of products with different environmental sensitivity. For each prescription, it is possible to see a calculated carbon footprint. Based on this view, it is possible to change the product used in the prescription and see the corresponding change in carbon footprint for the field.
- To date, on an average 125 to 140 kg of carbon have been saved per field through changes to product type leading to less runoff and other environmental impacts.
- Impact on yield improvement: About 47% of farmers who received the ICLeaf and Crop Advisor report experienced a 10 to 20% increase in yield.
- Impact on saving cost on fertilizer application: 75% of farmers experienced that by following the Crop Advisor report, there is decreased fertilizer cost.
- As a result, we’ve developed a strong connection with high-value horticulture and commercial crop growers, helping them plan optimal nutrient management by identifying deficiencies.
- (Source – ICL internal survey done during Q2 2023 in the state of Maharashtra over teleconference in Marathi language. Samples were randomly selected.)
Conclusion: ICLeaf’s Role in Modern & Sustainable Farming
ICLeaf stands out as a transformative technology in modern agriculture, offering a precise, rapid, and non-destructive approach to leaf nutrient analysis.
By providing real-time assessments, ICLeaf enables farmers to fine-tune their fertilization strategies, ensuring crops receive the right nutrients at the right time. This precision mitigates the risks of nutrient imbalances, reducing the likelihood of over- or under-application of fertilizers, which can lead to economic losses and environmental harm. Additionally, ICLeaf’s ability to differentiate between nutrient-related issues and disease symptoms optimizes crop management, preventing unnecessary treatments and enhancing overall crop health.
Since its launch, ICLeaf has made a significant social impact, with many farmers reporting substantial improvements in yield and cost savings. As a revolutionary technology, ICLeaf is transforming sustainable agriculture by addressing crop nutrition management challenges. It enables farmers to achieve higher yields, reduce costs, and minimize their environmental impact while ensuring crop health and productivity. This pioneering technology is essential for farmers meeting the demands of a growing global population.


