Beyond just farming: How AI is saving Zimbabwe’s grain harvests

Theseus Shambare recently in KWEKWE

The familiar groan of the overloaded truck, the dust swirling in its wake —these were the hallmarks of harvest time in Chirumhanzu for Ms Doreen Gurwe.

But the anticipation always carried a sharp edge of anxiety.
The gates of the Grain Marketing Board (GMB) loomed, a place where dreams could either be realised or cruelly dashed.

Too often, for Ms Gurwe and countless others, it was the latter.
The words, blunt and final, echoed in the dusty air: “Moisture content too high. Rejected.”

                Grain Marketing Board (GMB)

“You would see your precious maize, the fruit of months of back-breaking work under the scorching sun, just sitting there,” Ms Gurwe recalls, her calloused hands tracing invisible patterns on her lap.

“The weight of those rejected bags felt heavier than the bags themselves. It was not just lost income; it was a piece of your heart breaking.”
Ms Emily Takawira remembers the helplessness vividly.

“We would spread our maize on tarpaulins, praying for dry days, fighting a losing battle against sudden downpours and the silent creep of weevils,” she said, her voice tinged with the frustration of those lost seasons.

“You would watch a significant portion of your livelihood simply disappear. It stole not just our money but our hope for the future.”

But now, etched against the Zimbabwean sky, a new kind of structure is rising — sleek, modern silos humming with the promise of change.

In Kwekwe, a revolutionary facility is nearing its official opening in May as the 2024/25 summer season fruits start trickling in, a beacon of artificial intelligence poised to rewrite the story of Zimbabwe’s harvests.
Farmers like Ms Mavis Vurundiya watch with a mixture of awe and profound relief.

“These new silos . . . they are like something from the future,” Ms Vurundiya marvels, her eyes wide as she gestures towards the towering silver shining cylinders.

“Before, we would spend money on bags, worry about every drop of rain and then face the humiliation of rejection. Now, they say these silos can . . . feel the air inside? Know when to protect our grain? It is hard to believe, but seeing it here . . . it feels like a huge weight has been lifted.”
A genuine smile spreads across her face.

“We can finally focus on growing more, knowing our hard work won’t just rot away,” she said.
Engineer Andrew Mupariwa, the driving force behind this agricultural metamorphosis in the Midlands Province, speaks with quiet conviction. “Imagine the peace of mind for a farmer, knowing their harvest is entering a system that actively safeguards it,” he said, his gaze fixed on the near-complete facility.

“This AI is not just about technology; it is about restoring dignity and security to our farming communities.
“It is now about 93 percent towards its completion. It is only left with offices and connections to the Zesa grid, but the actual silos are done,” he said.

For too long, Zimbabwe has bled an estimated US$32 million annually due to the vulnerabilities of outdated storage.
This technological leap, a US$300 million-plus government initiative spanning 14 GMB depots nationwide, aims to curtail that loss and fortify the nation’s food reserves.

Following Kwekwe’s inauguration, more sites will come online monthly, painting a picture of a nationwide upgrade.
Mutare is nearing completion at 80 percent, while Mhangura (45 percent), Mvurwi (27 percent), Rutenga (19 percent), Timber Mills (17 percent) and Lupane (10 percent) are steadily progressing.

Chief Director of Agricultural Engineering, Mechanisation and Farm Infrastructure Development in the Ministry of Lands, Agriculture, Fisheries, Water and Rural Development, Engineer Edwin Zimunga emphasised the comprehensive nature of this upgrade.

“We are not just building better silos; we are building a smarter system,” he said.
“The integration of IoT sensors will provide real-time data on everything from the moment the grain arrives to the energy used in storage.

“This granular level of control will minimise waste and maximise efficiency at every stage,” Eng Zimunga said.
The impact of this investment is immense.

After completion, an additional 784 000 tonnes of storage capacity will be added to the current 650 000 tonnes, a crucial boost as Zimbabwe anticipates a bumper cereal harvest exceeding 3,5 million tonnes this season, alongside a projected record-breaking 600 000 tonnes of winter wheat yield.

The dust of disappointment that once clung to the hopes of Zimbabwe’s farmers is beginning to settle, replaced by the whisper of a technological dawn.

These intelligent silos are more than just storage; they are a promise — a promise of security, recognition for farmers’ labour and of a future where the fruits of the land truly nourish the nation.

The heartbreak of the past is slowly giving way to the quiet confidence of a new beginning.
Feedback: X@TheseusShambare

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