Optimal control strategies for crops (IMAGE) Queensland University of Technology Caption Illustration describes showed ‘no control’ as the simplest strategy, while ‘bang bang’ control was an intervention that switched between maximum and no fertiliser, whereas in ‘continuous control’, the fertiliser can be applied in any quantity which can change over time. Credit QUT Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.