Keyphrases
Vehicle-based
100%
Remote Sensing
100%
Smallholder Farmers
100%
UAV
100%
Winter Wheat
100%
Farmers' Fields
100%
Nitrogen Status
100%
Nitrogen nutrition Index
83%
Vegetation Index
66%
N Status
50%
Fixed-wing Unmanned Aerial Vehicles
50%
Plot Experiment
33%
North China Plain
33%
Small-scale Farming Systems
33%
Sufficiency Index
33%
Village Scale
33%
Global Agriculture
16%
Multispectral Camera
16%
Nitrogen N
16%
Food Security
16%
Top-N Recommendation
16%
Developing Countries
16%
Crop Management Practices
16%
Direct Approach
16%
Precision Agriculture
16%
Diagnostic Accuracy
16%
Effective Method
16%
Sustainable Development
16%
Plant Samples
16%
Remote Sensing System
16%
Overall Accuracy
16%
Recommendation Method
16%
Promising Technology
16%
Ground-truthing
16%
Shandong Province
16%
N Management
16%
Normalized Difference Vegetation Index
16%
Condition Management
16%
Security Development
16%
Multispectral Remote Sensing
16%
Status Diagnosis
16%
Local Soil Conditions
16%
Crop N Status
16%
Non-destructive Estimation
16%
Unmanned Aerial Vehicle Remote Sensing
16%
Critical N Dilution Curve
16%
EBee
16%
Unmanned Aerial Vehicle Remote Sensing Image
16%
N Diagnosis
16%
Giant Sequoia
16%
Reliable Indicator
16%
Agricultural and Biological Sciences
Remote Sensing
100%
Unmanned Aerial Vehicle
100%
Nutrition Assessment
83%
Vegetation Index
66%
Farming Systems
33%
Small-Scale Farming
33%
Soil Quality
16%
Crop Management
16%
Precision Agriculture
16%
Parrot
16%
Normalized Difference Vegetation Index
16%
Sequoia
16%
Sustainable Development
16%