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Roots Observation

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Khmer | Lao | Portuguese | Uzbek

Soil pH: Universal Colorimetric Indicator

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao | Uzbek

Soil pH: Indicator Strips

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Video tutorial: How to measure soil pH using indicator strips - EN | FR | ES | RU

Soil pH: Vinegar and Baking Soda

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Soil pH: Red Cabbage

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Organic Matter: Colour Observation

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao

Organic Matter: Hydrogen Peroxide

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao

Salinity: Electrical Conductivity

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Soil Nutrient Availability

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao | Uzbek

Texture: Ring Method

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao | Portuguese | Uzbek

Video tutorial: How to evaluate soil texture using the ring method - EN | FR | ES | RU

Texture: Ribbon Method

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Soil Structure: Observation

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Khmer | Uzbek 

Soil Structure:  Aggregate Stability (Slake test)

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao | Uzbek

Soil Compaction: Infiltration Test

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Khmer

Soil Compaction: Mottles

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Soil moisture: feel and appearance

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: Lao

Soil and water content: gravimetric method

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages:

Soil cover estimation

The Global Soil Doctors Programme's Field Exercises developed by the Global Soil Partnership.

Official languages: English | French | Spanish | Chinese | Russian | Arabic

Other languages: