ADC	Analog-to-Digital Converter	MLR	Multiple Regression Analysis
AI	Artificial Intelligence	N	Nitrogen
ANFIS	Adaptive Periodic Threshold-sensitive Energy Efficient sensor Network protocol	NC	Network Coordinator
APTEEN	Adaptive Periodic Threshold-sensitive Energy Efficient sensor Network protocol	NCS	Neural Compute Stick
AWS	Amazon Web Services	NDVI	Normalized Difference Vegetation Index
BOP	Beacon Only Period	OASNDFA	Optimized Algorithm of Sensor Node Deployment for intelligent Agricultural monitoring
CDC	Complex Dielectric Constant	OSRS	Open-Source Remote Sensing
CNN	Convolutional Neural Network	PA	Precision Agriculture
CNSVMC	Convolutional Neural Support Vector Machine Classifier	PAF	Precision Agriculture and Farming
CRF	Controlled-Release Fertilizer	PAR	Photosynthetically Active Radiation
D-ATR	Diamond Attenuated Total Internal Reflectance	PCR	Principal Component Regression
DCTA	Dynamic Converge cast Tree Algorithm	PIS	Passive Infrared Sensor
DSS	Decision Support Systems	PLC	Programmable Logic Controller
EC	Electrical Conductivity	PLSR	Partial Least Squares Regression
ET	Evapotranspiration	PWM	Pulse-Width Modulation
FLFL	Five-Layer, Fifteen-Level	reNDVI	red-edge NDVI
FTIR	Fourier Transform Infrared Spectroscopy	RFEH	Radio Frequency Energy Harvesting
GCPs	Ground Control Points	RMSE	Root Mean Square Error
GD	Gradient Descent	RNN	Recurrent Neural Network
GHS	Greenhouse Gas	RTU	Remote Terminal Unit
G-IoT	Green IoT	SDGs	Sustainable Development Goals
GIS	Geographic Information Systems	SIS-PAF	Smart Irrigation System for Precision Agriculture and Farming
GNDVI	Green Normalized Difference Vegetation Index	SNR	Signal-To-Noise Ratio
GPR	Gaussian Process Regression	SPAD	Soil Plant Analysis Development
GPS	Global Positioning Systems	SSIM	Structural Similarity Index
GPU	Graphics Processing Unit	SVM	Support Vector Machines
IAS	Irrigation Advisory Services	TAK	Title, Abstract, and Keywords
IoE	Internet of Everything	TVWS	TV Whitespace
IoT	Internet of Things	UAVs	Unmanned Aerial Vehicles
IWUE	Irrigation Water Use Efficiency	UWB	Ultra-Wide Band
Lasso	Least absolute shrinkage and selection operator regression	VLRGD	Variable Learning Rate Gradient Descent
LCIS	Low-cost System for agricultural Irrigation Support	VWC	Volumetric Water Content
LDR	Light-Dependent Resistor	Wi-Fi	Wireless Fidelity
LIBS	Laser-Induced Breakdown Spectroscopy	W-Mod	Water balance simulation Modeling
LoRa	Long-Range	WS	Web Server
LPWA	Low-Power Wide-Area	WSAN	Wireless Sensor and Actuator Network
LTMN	Long Short-Term Memory	WSNs	Wireless Sensor Networks
MAPE	Mean Absolute Percentage Error	WUSN	Wireless Underground Sensor Networks
MC	Moisture Content	ZigBee	Zonal Intercommunication Global standard
ML	Machine Learning