CEO Secrets: Using bees to protect crops

US company BVT has a simple way for farmers to protect their crops from fungal infections. Put a tray of organic fungicide outside a beehive. The bees walk through it as they leave and spread it on the crop for you.

It beats spraying crops with chemicals, says the company. But for CEO Ashish Malik, the challenge is persuading farmers to accept the new idea.

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