Return to course: Nutrient management for vegetable crops
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Nutrient management for vegetable crops
Nutrient management principles
Limiting factors
Optimum nutrient levels and the effect of pH
Nutrient interactions and deficiencies
Recommendations for vegetables
Is nitrogen a special case?
Additional Resources
Nutrient management principles
Taking representative samples
Dealing with variability
Overall sampling pre-planting
Sampling before side-dressing
Sampling after harvest
Sending samples to a laboratory
Taking representative soil samples
Nitrogen
The nitrogen cycle
Nitrogen tests
Keep it in the root zone
Nutrient Budgeting
Why prepare a nutrient budget?
Prepare a pre-planting nitrogen budget
Prepare a post-harvest nitrogen budget
Prepare a phosphorous nutrient budget
Nutrient Budgeting
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Additional Resources
Sustainable Vegetable Systems
Nutrient management of vegetable crops in New Zealand (2019)
Nutrient management for vegetable crops in NZ – recommendations and supporting information. Edition 1.0 (2019)
Guidelines for soil nitrogen testing and predicting soil nitrogen supply (2022)
The nitrate quick test mass balance tool (2019)
Nitrate quick test mass balance tool (calculator) (2019)
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