Soil pH

Our great ally for successful agriculture.

Soil pH is a key factor in the success of any agricultural activity.

Although often overlooked, the level of soil acidity or alkalinity plays a critical role in plant health, nutrient availability and fertilizer efficiency.

In this blog, we will explore the importance of soil pH and how to maintain it at optimal levels for productive and sustainable agriculture.

What is soil pH?

Soil pH is a measure that indicates the degree of acidity or alkalinity of the soil.

It is expressed on a scale from 0 to 14, where 7 is neutral. A pH below 7 indicates acidity, while a pH above 7 indicates alkalinity. Each crop has specific pH requirements to grow optimally.

Read on to find out how to achieve the desired pH for your crops.

Soil pH

What is the importance of soil pH in agriculture?

First of all, having a correct pH of the growing soil is critical for nutrient availability.

The pH of the soil affects the availability of nutrients for the plants, because depending on the acidity levels of the soil, it will be more appropriate to plant some species or others.

Some nutrients, such as phosphorus, iron and manganese, are more accessible to plants in slightly acidic soils, while others, such as calcium and magnesium, are more available in alkaline soils. Maintaining the proper pH ensures that plants can absorb nutrients efficiently.

In addition to nutrient-related reasons, microbial activity plays a fundamental role for the proper development of our crops, and is also largely determined by the quality of the soil, as beneficial soil microorganisms such as bacteria and fungi are also influenced by pH. A balanced pH promotes microbial activity, which contributes to the decomposition of organic matter and the release of essential plant nutrients.

How can I measure and adjust the soil pH?

Once you know the importance of maintaining a proper growing soil pH, you may wonder how you can achieve the desired levels. Here are two solutions:

  • pH testing: It is important to periodically test soil pH using test kits or through laboratory services. This will allow you to know the current pH and take corrective action if necessary.
  • Soil amendments: If the pH is too acidic, alkaline amendments, such as agricultural lime, can be added to raise the pH. On the other hand, if the pH is too alkaline, acid amendments, such as elemental sulfur, can be used to lower the pH. It is essential to follow the specific recommendations for each crop and soil type.

How to maintain and manage soil pH?

  • Crop rotation: Crop rotation helps prevent nutrient buildup and pH imbalance in the soil. Different crops have different nutrient and pH requirements, so rotation helps maintain a proper balance in the soil.
  • Use of organic matter: Regular addition of organic matter, such as compost or manure, helps maintain a balanced pH and improves soil structure. Organic matter acts as a buffer, preventing sudden changes in pH and promoting a favorable environment for plant roots.

Soil pH is an essential factor in agriculture because it influences nutrient availability and microbial activity. Maintaining proper soil pH is critical to successful and sustainable agricultural production. By monitoring and adjusting pH, using appropriate tests and amendments, farmers can leverage soil pH as a great ally on their way to productivity and success in the field.

 

Agrak helps you in all aspects related to your harvest. Find out more at agrak.com and start improving the productivity of your field.

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