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Nutrient Management Research Database
General Information
Research Title
Nitrogen management and water quality protection
Research Specifications
Crop:
Soil Type:
State: California
Year:
Authors
Hartz, T.K.
Summary/Abstract from Original Source
This report discusses considerations that growers should make regarding changes in nitrogen management in response to increased regulation of nitrate concentrations in irrigation runoff.
Research Highlights
Design and Methods
This brief report presents the main concerns regarding nitrate contamination in ground and surface water, the regulations regarding nitrate content of irrigation runoff and associated issues, and some recommended approaches to limit nitrate leaching losses.
Results
The report recommends the following approaches for efficient nitrogen management to protect water sources:
- Approach N fertilizer management using an N budget.
- Control irrigation to limit in-season leaching.
- Use winter cover crops.