Interview with Benson Kibiru Reserach Scientist in Agronomy and Crop Science February 2025

Hello Benson, could you please introduce yourself?

My name is Benson Kibiru, a practicing Research Scientist in Agronomy and Crop Science (Soil-Plant-Water) based in Nairobi, Kenya. I am originally from Karundas, Thegu Ward, Nyeri County.

How have you been in contact with Johnson Kimani?

I have known Johnson Kimani for several years, and if you have an interest in agroforestry, you would undoubtedly recognize his enthusiasm, progressive mindset, and unmatched energy. He is highly noticeable for his dedication. I frequently visit his farm, and we also communicate regularly by phone.

What do you think of the dripping system he has installed so far?

The work accomplished so far is commendable and can only improve further. As you know, "Water is Life." With climate change being an unavoidable reality, this initiative represents a crucial step toward enhancing household and community nutrition and food security through the SPIKI 1 & 2 project.

Currently, the drip irrigation system, installed on a level surface without elevation, faces limitations in pressure. This affects the emitter discharge rate and coverage efficiency.

What are the benefits to install such system?

Once fully implemented, the drip irrigation system will significantly enhance Johnson Kimani’s ability to diversify crop production. This will not only increase his income but also improve his household’s nutritional security.

How will the tank next to be installed on its stand will contribute to improving even more the dripping irrigation on a day-to-day basis?

To optimize the system, elevating the water tank to a height of 3 meters will generate the necessary pressure to ensure uniform discharge rates and expanded irrigation coverage.

Any other idea you may have in relation to your field of expertise?

Beyond water availability, sustainable crop production also relies on soil health. Implementing practices that enhance soil fertility is paramount, as sustainability is a cornerstone of a healthy and thriving society. Regular assessment and monitoring of soil quality and irrigation water are key Good Agricultural Practices (GAPs) to ensure that our land-use activities today do not compromise the ability of future generations to thrive.

Lastly, I am eager to be part of this noble initiative and to contribute toward ensuring the SPIK projects achieve their intended outcomes.