What Font Does Apple Use In Their Keynote Presentations ((install)) May 2026

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We have launched Petiole Pro on Patreon

For the past ten years, our team has focused on building practical digitsl tools for agriculture. We believe agricultural AI should be accessible, transparent, and useful to growers, researchers, and students worldwide.

AI IN AGRICULTURE

3 mins read

4 Methods How To Measure Leaf Area

The simplest task of leaf area measurement becomes a headache if you have dozens or hundreds of leaves. We explained in details four popular methods how to get leaf area.

SPECIFIC LEAF AREA

8 mins read

Petiole Calibration Pad: How Can I Get It For Free?

Get the calibration pad - this is a task number one, if you want to measure leaf area effectively and accurately with mobile application Petiole. How to get calibration pad for free?

SPECIFIC LEAF AREA

5 mins read

How To Measure Leaf Area With ImageJ?

Probably, you’ve heard about the battle between Petiole Pro and ImageJ. However, if not – soon you will get more details about this. As of now, it is the right time to start with ImageJ.

SPECIFIC LEAF AREA

3 mins read

Total Leaf Area Measurements And Higher Accuracy

Petiole Pro has new features to make your agriculture research more data-driven. Leaf area measurements now have higher accuracy than before.

SPECIFIC LEAF AREA

3 mins read

Calibrate Camera in Petiole Not Working (FIXED)

Calibrate camera in Petiole seems to be difficult tasks for plant scientists. However, it's not and we have one more proof for this!

SPECIFIC LEAF AREA

1 min read

Leaf Surface Area: Why And How to Measure?

A scientist who studies plants repeatedly faced with a need to measure leaf surface area. But why is this knowledge important?

SPECIFIC LEAF AREA

4 mins read

Benefits Of Leaf Area Measurement

Benefits of leaf area measurement are obvious if you need to work with hundreds or thousands leaves to calculate leaf area

SPECIFIC LEAF AREA

3 mins read

AI for Seed with Next-Gen Quality Assurance

Did you know that artificial intelligence can now evaluate seed quality faster and more accurately than ever before?

QUALITY ASSURANCE

3 mins read

AI Innovations Transforming Grapes, Blueberries, and Kiwi Wine Production

AI is transforming the quality control of grapes, blueberries, and kiwi in wine production by ensuring consistent, high-quality results. This technology helps producers easily monitor and maintain the best standards in their products.

AI IN AGRICULTURE

6 mins read

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How To Revolutionize Potato Grading with AI-Powered Mobile App

Farmers face challenges with time-consuming and inconsistent potato grading. Potato AI from Petiole LTD offers an AI-powered solution that streamlines grading, ensuring accuracy, USDA compliance, and real-time data sharing to boost efficiency and product quality.

QUALITY ASSURANCE

5 mins read

What Font Does Apple Use In Their Keynote Presentations ((install)) May 2026

Originally designed for the Apple Watch, this version has flatter sides, allowing for more text to fit into narrow horizontal spaces without losing legibility. Historical Context: What Came Before?

You will see this used often during presentations involving the Apple Watch, child-friendly features, or "soft" software updates. The rounded terminals give it a friendlier, more approachable look.

In the very early days, Apple used a condensed version of ITC Garamond for their "Think Different" campaign and early Macintosh marketing. Why Does This Choice Matter?

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The Ultimate Guide to Leaf Area Index

Leaf Area Index (LAI) can give a clue to the most of the magic in the plant and its development. What's important about LAI?

LEAF AREA INDEX

5 mins read

Fractional Vegetation Cover as an Alternative for Leaf Area Index

Fractional Vegetation Cover (FVC) is an important indicator of greenness and has a strong correlation with green biomass. Simultaneously, it is the key trait of interest for characterizing crop growth status in crop breeding and precision management.

LEAF AREA INDEX

4 mins read

How to Measure Leaf Area Index with Petiole App?

How to measure leaf area with Petiole App? This is a question for many agriculture scientists who don't want to waste time with other methods.

LEAF AREA INDEX

3 mins read

Dark Green Colour Index (DGCI): A New Measurement Of Chlorophyll

Dark Green Colour Index (DGCI) is a new synonym for SPAD chlorophyll content meter. Can it help you to estimate greenness of your crops?

LEAF CHLOROPHYLL

3 mins read

Chlorophyll Content Measurement: Why and How?

Chlorophyll content measurement is an important parameter for plants' health. But why? And how to make chlorophyll content measurement?

LEAF CHLOROPHYLL

3 mins read

How To Use Chlorophyll Content Meter In Smartphone?

Chlorophyll content meter is a useful tool but expensive tool for agronomists and crop scientists. Is there any cheaper but good alternative?

LEAF CHLOROPHYLL

2 mins read

How to identify Nitrogen Deficiency without SPAD

Nitrogen deficiency is one of the most common plant disorders. It affects mostly green plants and manifests itself in a light yellowish-green leaf colour, followed by pale or white stems.

LEAF CHLOROPHYLL

2 mins read

Lack of Nutrients in Plants: What to Do About It

Lack of nutrients in plants is a major issue that needs to be addressed.

LEAF CHLOROPHYLL

3 mins read

How To Measure Plants In Field Conditions?

Sure, lab equipment and convenience of controlled environment add obvious benefits to the agricultural research. At the same time, only field conditions can demonstrate the existing situation in your experimental plot.

SPECIFIC LEAF AREA

2 mins read

How To Get Measuring Stand For Petiole App?

Measuring stand for Petiole is the thing, frequently asked in Google and via our email. That's why, we decide to explain this topic in more details.

SPECIFIC LEAF AREA

3 mins read

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Measuring Area Of 10 Leaves In Just 10 Seconds? Easy!

Measuring area of 10 leaves seems to be not a too difficult task. However, in terms of time, it can be extremely time consuming.

SPECIFIC LEAF AREA

2 mins read

Measuring Area Of 10 Leaves In Just 10 Seconds? Easy!

Measuring area of 10 leaves seems to be not a too difficult task. However, in terms of time, it can be extremely time consuming.

SPECIFIC LEAF AREA

2 mins read

How To Measure Plants In Field Conditions?

Sure, lab equipment and convenience of controlled environment add obvious benefits to the agricultural research. At the same time, only field conditions can demonstrate the existing situation in your experimental plot.

SPECIFIC LEAF AREA

2 mins read

How To Get Measuring Stand For Petiole App?

Measuring stand for Petiole is the thing, frequently asked in Google and via our email. That's why, we decide to explain this topic in more details.

SPECIFIC LEAF AREA

3 mins read

SPECIFIC LEAF AREA

Originally designed for the Apple Watch, this version has flatter sides, allowing for more text to fit into narrow horizontal spaces without losing legibility. Historical Context: What Came Before?

You will see this used often during presentations involving the Apple Watch, child-friendly features, or "soft" software updates. The rounded terminals give it a friendlier, more approachable look.

In the very early days, Apple used a condensed version of ITC Garamond for their "Think Different" campaign and early Macintosh marketing. Why Does This Choice Matter?