A common weed harbors important clues about how to create drought resistant crops in a world beset by climate change.

A new way to reduce the amount of nitrogen fertilizers needed to grow cereal crops could save farmers in the United States billions annually

Scientists know that they can increase crop yields by accelerating photosynthesis, where plants convert CO2, water and light into oxygen.

Technology could help growers work out the best time to use fertiliser on their crops and how much is needed considering weather and soil.