A person testing soil with a shovel.

CVR Labs, a premier soil testing lab located in Chennai, Tamil Nadu, offers comprehensive soil analysis services. CVR Labs is your dependable associate for advanced soil testing services. We offer thorough soil analysis using innovative strategies and advanced technology to ensure the first-class, and protection of soil for numerous uses. Here, we’ll introduce you to soil analysis, detail all the tests, and explain the relevance of the bodily, chemical, and microbiological statistics.

What is Soil Testing/Soil Analysis?

Examining the physical and chemical characteristics of your soil is the process of soil testing, sometimes referred to as soil analysis. You can use the insightful information our analysis offers on the fertility and health of your soil to make well-informed decisions for a variety of needs. It plays an important role in examining and identifying the composition, characteristics, and quality of soil in a specific location. It is useful in making educated choices regarding land use, crop control, and environmental protection, whether for agricultural, environmental, or building targets. Soil analysis is necessary for numerous reasons:

Benefits of Soil Testing

Improved Crop Yields:

By utilizing soil testing to enable targeted supplementations, researchers can create healthier plants, potentially increasing agricultural output.

Optimized Fertilizer Use:

Soil testing provides accurate fertilizer requirements, avoiding over-application and saving natural resources.

Enhanced Construction Practices:

In construction, engineers perform soil testing to determine the suitability of the soil for foundations, identify potential stability issues, and make informed decisions about construction materials.

Environmental Protection:

Soil testing enable monitoring of soil health and helps prevent contamination by excess fertilizers or pollutants.

Categories of Soil Testing

There are two main categories of soil testing, depending on the intended purpose:

1. Soil Testing for Agriculture:

2. Soil Testing for Construction:

1. Soil Testing for Agriculture:

Nutrient analysis:

It significantly impacts the availability (in the soil) of macronutrients such as nitrogen, phosphorus, and potassium as well as micronutrients. It helps compute how much fertilization is needed to achieve the most favorable harvest. Moreover, this technology also assists adjust the amount of seed sown for crop planting.

pH level:

The test of soil determines pH, one of the factors of soil that shows whether it is acidic or alkaline. While most plants naturally have a specific pH requirement, conducting a soil pH test simplifies the process of determining the necessary adjustments to create a suitable environment for plant growth.

Organic matter content:

Organic substance is viewed as something as important as it can enrich the soil with micro-nutrients and improve soil structure. This evaluation provides the amount of organic matter present in the soil.


Know about the presence of soluble salts (salt that dissolves in water) in the soil. Excess salinity will suppress plant growth and we want to know the exact areas of pressure on water resources or in particular regions with salty winds.

2. Soil Testing for Construction:

Moisture content:

It determines the speed of water in the soil. Soil stability and its bearing capacity have to be thoroughly studied when we consider construction.

Specific gravity:

It defines the soil density. Soil’s density degree is an important factor in any kind of foundation design and development of other load-bearing structures.

Dry density:

This test indicates the density of the soil when its water is taken out. It helps to fix the soil and does not precipitate to the lowest levels.

Atterberg limits:

An aggregated result of several tests can determine the level of plastic soil fineness. They ensure that soil acts as a hard body or type of plastic or condition of liquid depending on the absorption degree of water. The reason for this is that the soil changes in various ways depending on the moisture condition and the process will be identified when construction is complete.

Proctor compaction test:

This test determines the ideal moisture content and compaction force required to achieve maximum soil density. Compaction, which is a fundamental engineering principle, ensures the stability and load-bearing capacity of soil for foundations and other construction purposes.

In addition to these common tests, other specialized tests may be conducted depending on the specific needs of the project, such as:

Contamination testing:

For this, treatment of the soil samples might be necessary to ascertain the presence of pollutants including heavy metals or hydrocarbons.

Microbial analysis:

This may be applied to distinguish the active, healthy microbial population that serves to balance nutrition and maintain the topsoil fertility index.

Soil Testing Procedure:

  • SAMPLE COLLECTION: Specialized tools extract soil samples from selected regions following recommended protocols.
  • SAMPLE PREPARATION: Subsequently, the laboratory prepares the samples for further examination.
  • LABORATORY ANALYSIS: Advanced techniques and instruments quantify various characteristics, including pH, nutrient concentrations, organic matter content, and potential pollutants.
  • RESULT INTERPRETATION: Our team of professionals examines the data and creates a thorough report suited to your requirements

Testing of soil and Analysis is a process in which vitamins, factors, contaminants, pH, and acidity are checked by using sampling and checking out in the laboratory for Agricultural or Construction purposes.

Soil Testing Methods in the Laboratory:

CVR Labs applies advanced technologies to verify soil examination results. Some methods employed include:

  • Flame Photometry: Measures the concentrations of essential plant nutrients like potassium and sodium.
  • Spectrophotometry: Investigates the content and distribution of different elements in the soil.
  • Wet Chemical Analysis: Conventional approaches for the assessment of soil characteristics such as pH and organic matter content.

Soil Testing Parameters at CVR Labs

Soil testing is done in our analytical laboratory for the following parameters:

Total Organic Carbon Loss on Drying @550°C Nitrate Conductivity
Total Nitrogen
Non Volatile Substance
Hexavalent Chromium
Calcium carbonate
Soluble Magnesium
Soluble Calcium
Carbonate and bicarbonate
Sodium absorption ratio
Cation exchange capacity
Oil & Grease
Volatile Substance
Total Kjeldahl Nitrogen
Total Organic Matter

CVR Labs is the correct companion for soil testing services, way to superior generation, system, and a devoted crew of experts. CONTACT US now to learn more approximately our services and the way we will help you make educated soil management and land use decisions.

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