How innovations are transforming farming in Central Kenya

Daisy Okiring and Samuel Chege

KIRINYAGA, KENYA – In Central Kenya, where over 70% of the population relies on agriculture for their livelihood, a quiet transformation is taking place.

Fields that once struggled with low yields are now producing more than ever. Farmers who used to depend entirely on rain are growing crops all year round. But what exactly is driving this shift?

For years, farmers in the region struggled with declining yields, unpredictable weather, and outdated farming techniques. But thanks to innovation, that story is changing. From the rice paddies of Mwea to the greenhouses of Kiambu, farmers are adopting modern techniques that are not only increasing their production but also improving their livelihoods.

Samuel Chege, a passionate advocate for community-led agricultural development, has spent years traveling across Central Kenya—from Kirinyaga and Embu to Murang’a and Nyandarua—working with farmers to introduce sustainable and profitable farming methods. “Change doesn’t happen overnight,” he says. “It takes time, education, and trust. But when farmers see results, they become champions of innovation.”

Modern machines take over in Mwea’s rice fields

In Mwea, where rice farming has been a way of life for decades, mechanization is making a huge impact. Before, harvesting was done manually—a process that took weeks and required dozens of laborers. Now, with the introduction of mechanized harvesters, farmers can complete the same work in a fraction of the time.

“I used to spend hours under the sun, cutting rice stalks by hand,” says James Ndung’u, a farmer who has been growing rice for over 20 years. “Now, the machine does it in minutes. I save time, money, and my back doesn’t hurt as much.”

That changed when farmers started using mechanized harvesters. Now, what used to take weeks is completed in just hours. The result? Higher yields, reduced labor costs, and better quality rice that fetches higher prices in the market.

Modern technology is transforming rice farming in the Mwea. Photo/Samuel Chege

The transformation does not stop at harvesting. Modern rice mills have also improved processing, ensuring Mwea rice competes favorably in both local and international markets.

Soil-free farming: Hydroponics gains popularity

In Kiambu County, where land is scarce due to rapid urbanization, farmers are finding new ways to grow crops without soil. Hydroponics, a method where plants grow in nutrient-rich water instead of soil, is changing the game.

Beatrice Wanjiru, a vegetable farmer, was skeptical at first. She had always planted her crops in open fields, relying on rainfall and traditional farming methods. But after attending a training session on hydroponics, she decided to give it a try.

“I was shocked at how fast the vegetables grew. There were no weeds, no soil-borne diseases, and I could harvest throughout the year,” she says, showing off her thriving greenhouse filled with lush green spinach, lettuce, and strawberries.

Hydroponic farming in Kiambu, showcasing soil-free vegetable production. Photo/Samuel Chege

Hydroponics is not just for small-scale farmers. Large-scale producers are also adopting the technology, using it to grow high-value crops such as tomatoes and capsicum for export. The system’s ability to use 90% less water than traditional farming makes it especially attractive in areas prone to drought.

Better seeds, bigger harvests

For decades, farmers in Central Kenya have relied on traditional seed varieties that take longer to mature and produce lower yields. But the introduction of improved seed varieties is changing that.

In Kirinyaga, tomato farmers are switching to hybrid seedlings propagated in trays instead of soil. Unlike traditional methods, which expose seedlings to pests and diseases, tray propagation ensures stronger, healthier plants with higher survival rates.

Peter Karanja, a tomato farmer, has seen a dramatic increase in his production since adopting the new method.

“Before, I would lose half of my seedlings before they even matured. Now, almost all of them survive, and I harvest more than double what I used to,” he says.

A farmer in Kirinyaga using tray-propagated seedlings. Photo/Samuel Chege

A similar shift is happening in poultry farming. Farmers who once reared indigenous Kienyeji chickens are now embracing improved breeds that mature faster and lay more eggs. These new breeds are helping farmers increase their income while meeting the growing demand for poultry products.

“Farmers are realizing that small changes, like better seeds or healthier chicks, can make a big difference in their income,” says Chege.

Technology and the digital farming era

Technology is playing a crucial role in transforming agriculture in Central Kenya. Farmers are no longer relying on guesswork to diagnose plant diseases. Mobile apps such as Plantix allow them to take photos of sick crops and receive instant diagnoses.

Mark Kariuki, a vegetable farmer in Murang’a, has been using the app for the past year.

“I used to lose crops because I didn’t know what was wrong with them. Now, I can identify diseases early and treat them before they spread,” he says.

A digital farming app being used to diagnose crop diseases. Photo/Samuel Chege

Another major shift is happening in irrigation. With unpredictable rainfall patterns, many farmers are turning to solar-powered irrigation systems. These systems are not only reducing dependency on rain but also cutting down on electricity costs.

“Solar irrigation is the best thing that has happened to my farm. I don’t have to worry about power bills, and my crops get water even during dry seasons,” says Muthoni.

Challenges and the road ahead

Despite the progress, farmers still face significant hurdles. The high cost of modern equipment and irrigation systems makes it difficult for small-scale farmers to adopt these innovations. Some also struggle with poor infrastructure, such as bad roads that make it hard to transport produce to markets.

Cultural resistance is another challenge. Many older farmers are hesitant to abandon traditional methods they have used for generations. Some, for instance, still believe that crops cannot grow without soil and are skeptical about hydroponics.

“Convincing farmers to change is not easy. But once they see the results, they become the biggest advocates for innovation,” says Chege.

Government policies also play a key role in either supporting or hindering innovation. While subsidies on fertilizers and seeds have helped farmers, some policies—such as heavy taxation on imported farm machinery—make it harder for farmers to afford new technologies.

A future of endless possibilities

Looking ahead, agricultural experts predict that more farmers in Central Kenya will embrace organic farming, reducing dependence on chemical fertilizers and pesticides. Innovations like vertical farming, which allows crops to grow upwards in stacked layers, are expected to expand, especially in urban areas.

For Samuel Chege, the goal is clear: empower farmers with the knowledge and resources to take control of their futures.

“Agriculture is not just about food—it’s about livelihoods. If we equip our farmers with the right tools, they will not only feed their families but also create wealth for generations to come,” he says.

The farms of Central Kenya are changing. And with every new technique adopted, every challenge overcome, and every farmer empowered, the future of agriculture in the region looks brighter than ever.