Introduction
Fertiliser is one of the most valuable tools in a farmer’s arsenal — but when used incorrectly, it becomes a silent yield killer. Across Kenya, many farmers continue to struggle with declining productivity, not because they lack fertilisers, but because they apply them the wrong way. In this article, we break down five of the most common mistakes and share expert-backed ways to fix them.
1. Blanket Application Without Soil Testing
Many farmers still follow a “one-size-fits-all” approach to fertiliser use, applying the same products year after year without understanding what their soil truly needs. This leads to nutrient imbalances, wasted money, and poor crop response.
Fix: Start with a proper soil test. It’s the foundation of good agronomic planning. GreenYield can help coordinate affordable, accurate soil testing and interpret the results.
2. Applying Fertilisers at the Wrong Time
Timing is everything. Fertilisers applied during dry spells or too early before planting may not benefit crops and can even harm germination.
Fix: Follow crop-specific calendars. Split applications during key growth stages often yield better results.
3. Overusing Chemical Fertilisers
Excessive use of synthetic inputs without balancing with organic matter kills soil biology and leads to long-term infertility.
Fix: Combine chemical and organic sources (e.g. compost or farmyard manure) to build living, healthy soils.
4. Ignoring Crop-Specific Needs
Not all crops thrive on DAP and CAN. Tea, maize, tomatoes, and avocados all have unique nutrient demands.
Fix: Use fertilisers tailored to the specific crop. GreenYield’s agronomic plans cover this in detail.
5. No Record-Keeping to Monitor Results
Without notes or data, farmers can’t tell which fertiliser worked best or how much they really spent.
Fix: Use simple digital record tools or GreenYield’s advisory services to track fertiliser performance season by season.
Conclusion
Good fertiliser use begins with knowledge. Don’t let guesswork rob your harvest. GreenYield offers tailored support to help you feed your soil right — and watch your farm thrive.




