This nutrient management guide is designed for onion growers and crop advisors who aim to produce high-quality crops without wasting nutrients. It covers:
- An overview of onion growth and nutrient needs
- Information on onion root growth and development
- An overview of nutrient needs of onion crops
- An approach to nutrient budgeting, determining nutrient needs and nutrition strategies for onions
- An overview of key soil factors affecting nutrient availability and uptake, especially pH
- Information on key nutrients and use for onion crops
- An introduction to crop nutrition monitoring
- Information on how nutrients get from the soil into the plant and nutrient interactions
- Information on fertiliser nutrient composition and concentration
- Information on nutrient stewardship.
