Pusa scientists develop robotic sprayer for greenhouse, boon for labours Dilip Kumar Kushwaha, with the help of others, took two years to develop the machine and IARI filed a patent a week back ...

A sprayer drone from Norfolk firm Crop Angel whitewashing greenhouses in Lincolnshire (Image: Crop Angel) "We cannot do chemicals, but we can do whitewash," he said.

Optical sensors capable of reading nitrogen levels could save farmers money and reduce greenhouse gas emissions by decreasing fertiliser use. Project leader Dr James Hills, from the University of ...