Soil Testing Articles

Expert guides, product comparisons, troubleshooting tips, and the latest in precision agronomy.

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Azmi Mhamed8 min read

Nutrient Deficiency Chart: Leaf Symptoms by Deficiency

A leaf-by-leaf chart of N, P, K, Ca, Mg, S, Fe, Mn, Zn, B, Cu and Mo deficiencies: what the symptom looks like, where it...

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Azmi Mhamed9 min read

Exchangeable Sodium Percentage (ESP): What It Is, How to Calculate It & How to Fix It

What exchangeable sodium percentage measures, the formula used to calculate ESP from a soil test, the threshold bands, ESP vs SAR, and how to lower...

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Azmi Mhamed7 min read

Soil pH by Crop: the Reference Table for Vegetables, Fruit and Lawns

Target soil pH for every common crop, what goes wrong outside each band, plus detailed pH guidance for lettuce, strawberries, raspberries, blackberries and grapes.

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Azmi Mhamed8 min read

How to Test Soil Compaction: Four Field Tests You Can Do in an Hour

Probe test, water infiltration test, turf pull and bulk density: four ways to measure soil compaction, how to read the results, and which fixes actually...

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Azmi Mhamed17 min read

Lawn Soil pH Test Kit: Complete Testing & Correction Guide

Your lawn looks unhealthy despite proper watering and fertilization. Yellowing grass, poor growth, and persistent moss often point to one overlooked culprit: incorrect soil pH....

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Azmi Mhamed12 min read

The Definitive Soil pH Chart: Crop Ranges & Nutrient Availability

Yellow blueberry leaves, stalled tomatoes, locked-out phosphorus, this pH chart for soil turns that invisible chemistry into planting decisions you can execute this weekend. The...

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Azmi Mhamed9 min read

Calcitic vs. Dolomitic Limestone: Which Lime Does Your Soil Actually Need?

Choosing between calcitic vs. dolomitic limestone feels like a trivial purchase decision, until your clay beds harden into concrete and potassium readings on your next...

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Azmi Mhamed11 min read

On-Farm Soil Testing Kits vs. Lab Analysis: The Farmer’s Guide to In-Season Fertility & Rapid Results

The right soil testing kits for agriculture turn fertilizer budgeting from a gamble into a managed input program. Guessing N-P-K rates is financial suicide, yet...

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Azmi Mhamed13 min read

How Much Does a Professional Soil Test Cost? (2026 Lab Pricing & ROI Guide)

If you have outgrown the colored-water DIY kits from the local garden center, you are likely standing at a frustrating crossroads. You know your crops,...

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Azmi Mhamed17 min read

Understanding Soil Reaction (pH): The Ultimate Guide to Why Your Plants Are Struggling

Picture this: you have bought the premium fertilizer, watered faithfully, applied thick layers of organic mulch, and even talked nicely to your garden beds. Yet,...

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Azmi Mhamed8 min read

Beyond pH: The Best NPK Testing Kits for Soil and Water (2026 Guide)

If your plants are still struggling after you corrected your soil pH, you have hit a very common gardening roadblock. You fixed the doorway, but...

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Azmi Mhamed16 min read

Borkut Soil pH Meter Review: Is This Budget Probe Actually Accurate? (2026 Lab Test)

If you are staring at a cheap Borkut soil pH meter in your Amazon cart, wondering if it actually works or if it is just...

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