This fourth and last part highlights the types of data that are routinely collected during optimal and low-nitrogen trials, and how and when to collect these data. Stages during which data should be collected are described, ...

Guidelines for maize breeders on the steps in selecting, establishing and managing a low-nitrogen screening site. The guidelines will allow researchers to carefully manage stress levels and collect data in a standardized ...

Key factors to effectively manage these trials during pre-planting, planting, post-germination and harvesting. This will help maize researchers and technicians to attain better trial results to inform variety selection.