Skip to main content

Agronomist Notebook: The Dangers of Dirty Water in Irrigation

N

Nyakundi Report

Newsroom 2 min read

This archive report was first published on 28 December 2019.

December 28, 2019

With the effects of global warming becoming more pronounced, many Kenyan farmers are turning to irrigation to boost their crop yields. However, this shift also brings with it the risk of using dirty water, which can have devastating consequences for both the environment and human health.

Traditionally, farmers relied on rainfall as their primary source of water. While rainwater is generally considered safe, many parts of the country experience scarce rainfall, leading to a reliance on alternative sources.

Some farmers have taken to using water from sewer lines, kitchen waste, and even abattoirs to irrigate their crops. While this may seem like a cost-effective solution, it poses significant risks to the health of consumers.

When dirty water is used for irrigation, it can contaminate crops, which in turn can be passed on to consumers. This is particularly concerning for fruits and vegetables, which are often eaten raw and can absorb chemicals and pollutants from the water.

Furthermore, the use of dirty water can also harm the environment. When waste water is released into rivers and lakes, it can lead to oxygen depletion, causing fish and other aquatic animals to die.

So, what can farmers do to avoid using dirty water? The first step is to test the water before using it for irrigation. This can be done through laboratory tests, which can detect the presence of disease-causing microorganisms and other pollutants.

Additionally, farmers can take steps to treat their water before using it for irrigation. This can include using reverse osmosis, adding gypsum to reduce salt concentrations, and mixing fertilizers with black earth to control salt accumulation in the soil.

By taking these precautions, farmers can ensure that their crops are grown using clean water, reducing the risk of contamination and protecting the health of consumers.

Be the first to react

Support

Support this reporting

M-Pesa support recorded against this story.

Send support →

Stay close

Get the briefing

Major updates by email. No spam.

Get email brief →

Share

Save share card

Download a clean portrait card for sharing.

Save image →