Keyphrases
Soil Water
100%
Continuous Monitoring
100%
Nitrate
100%
Nitrate Concentration
100%
Low Nitrate
100%
Low-cost System
100%
Open Water
100%
Automated System
40%
Soil Pore Water
40%
NO3-N
40%
Unsaturated Zone
20%
Soil Samples
20%
In Situ
20%
Groundwater
20%
Temporal Variation
20%
Processing Software
20%
Detection Method
20%
Specific Needs
20%
System Design
20%
Software Design
20%
Human Resources
20%
Leaching
20%
Spectrophotometric Method
20%
Management Research
20%
Sample Analysis
20%
Time Information
20%
System Processing
20%
Measurement Capability
20%
Three-field
20%
System Measurement
20%
User-specific
20%
Soil Nitrate
20%
Nitrate Analysis
20%
Nutrient Management
20%
No. 3
20%
Soil Management
20%
Transport Dynamics
20%
Open Water Bodies
20%
Cost-effective System
20%
Intensive Method
20%
Nitrate Detection
20%
Non-point Source Pollutants
20%
Source Dynamics
20%
Building Guide
20%
Engineering
Automated System
100%
Continuous Monitoring
100%
Open Water
100%
Soil Sample
50%
Field Condition
50%
Measurement System
50%
Detection Technique
50%
Field Test
50%
Field Measurement
50%
Temporal Variation
50%
Processing Software
50%
Earth and Planetary Sciences
Porewater
100%
Open Water
100%
Vadose Zone
50%
Temporal Variation
50%
Real Time
50%
Field Test
50%
Water Body
50%
Human Resources
50%
Nonpoint Source
50%
Agricultural and Biological Sciences
Equipment
100%
Nutrient Management
100%
Body Water
100%