Get the following best option for agriculture applications............
Wireless Vantage Pro2 Plus
Weather Link Software
Wireless Leaf & Soil Moisture/Temperature Station

• Two (2) Leaf Wetness Sensors
• Four (4) Soil Moisture Sensors
• Four (4) Soil Temperature Sensors

Installation options

Mounting Tripod or Mast

Power Options

Solar Power Kit consisiting of Battery, Solar Panel and Charging Circuit

Communication Options

• Direct connection (Direct connection with a computer)
• Direct connection (Direct connection to a computer through a short haul modem)
• PSTN Modem (If telephone line is available at the remote site)
• GSM Modem
• Short range or Long range Radio Repeaters (Contact for details)

Download
Specifications Vantage Pro2
Vantage Pro2 Console Manual
Specifications Temperature/Humidity Station
Weather Link