Plant & Soil Measuring & Monitoring | Test Kits | Johnny's Selected Seeds

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Weather, soil, and nutrient monitoring play a vital role in crop management and plant health. We offer a selection of weather instruments used daily at our research farm in Albion, Maine to help us determine when and how much to water, plant, ventilate, protect, harvest, and more. We also offer home soil test kits so you can keep an eye on nutrient levels, pH, and other important parameters.

11 Products

Shock-Proof Rain Gauge Test & Measuring Equipment

Johnny's Exclusive

Shock-Proof Rain Gauge

Tough, inexpensive gauge for creating mini at-home weather station.

Compost Thermometer – 20" Compost Bins & Accessories

Compost Thermometer – 20"

Ergonomic measurement of your compost pile or soil.

Soil Thermometer Test & Measuring Equipment

Soil Thermometer

Quick response of a bimetal thermometer with calibratable accuracy.

7.01 pH Buffer Solution Test & Measuring Equipment

7.01 pH Buffer Solution

For calibration and electrode storage.

LaMotte's Gardener's Soil Test Kit Test & Measuring Equipment

LaMotte's Gardener's Soil Test Kit

Refillable kit tests pH, nitrogen, phosphorus, and potassium.

Moisture Meter Compost Bins & Accessories

Easy moisture monitoring for compost and garden soils.

Direct Reading Soil Tester Test & Measuring Equipment

Direct Reading Soil Tester

Portable and rugged construction, no need for batteries or calibration.

Hanna pH Meter Test & Measuring Equipment

Quick and accurate measuring of this key parameter.

LaMotte's Soil Test Refill Kit Test & Measuring Equipment

LaMotte's Soil Test Refill Kit

Soil Test Kit Accessory

Refills for LaMotte's Gardener's Soil Test Kit.

Probe Handle Compost Bins & Accessories

A great way to increase the longevity of your compost thermometer.

4.01 pH Buffer Solution Test & Measuring Equipment

4.01 pH Buffer Solution

Improves accuracy of pH meter by allowing precise calibration.

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