# Design of an Integrated Remote and Ground Sensing Monitor System for Assessing Farmland Quality
## 3 Data Transmission Optimization Routing Protocol
### Data Transmission Scheduling
; Project administration, L.C. ; Resources, F.Z. ; Software, F.Z. ; Supervision, G.W. and Y.H. ; Validation, F.Z. and L.C. ; Visualization, F.Z. ; Writing--original draft, F.Z. ; Writing--review & editing, G.W. and A.-x.Z. All authors have read and agreed to the published version of the manuscript. This research was supported by the National Key Research and Development Project of China (Grant Nos. 2016 YFD0800301 and 2018 YFD1100801-01), the Science and Technology Planning Project of Guangdong Province, China (Grant Nos. 2017B030314155), and the Science and Technology Program of Guangzhou, China (Grant Nos. 201807010048 and 201804020034). We thank LetPub (www.letpub.com) for its linguistic assistance during the preparation of this manuscript. The authors declare no conflict of interest. ## References

* (1) [PERSON] China must protect high-quality arable land. _Nature_**2014**, _506_, 7. [CrossRef] [PubMed]
* (2) [PERSON]; [PERSON]; [PERSON] Changes in quantity, quality, and pattern of farmland in a rapidly developing region of China: A case study of the Ningbo region. _Landsc. Ecol. Eng._**2019**, _15_, 323-336. [CrossRef]
* (3) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Optimization of Sample Points for Monitoring Arable Land Quality by Simulated Annealing while Considering Spatial Variations. _Int. J. Environ. Res. Public Health_**2016**, _13_, 980. [CrossRef] [PubMed]
* (4) [PERSON]; [PERSON] Development of a low-cost agricultural remote sensing system based on an autonomous unmanned aerial vehicle (UAV). _Biosyst. Eng._**2011**, _108_, 174-190. [CrossRef]
* (5) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Development of a low-cost quadrotor UAV based on ADRC for agricultural remote sensing. _Int. J. Agric. Biol. Eng._**2019**, _12_, 82-87. [CrossRef]
* (6) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Classification method of cultivated land based on UAV visible light remote sensing. _Int. J. Agric. Biol. Eng._**2019**, _12_, 103-109. [CrossRef]
* (7) [PERSON]; [PERSON]; [PERSON] Study on an Agricultural Environment Monitoring Server System using Wireless Sensor Networks. _Sensors_**2010**, _10_, 11189-11211. [CrossRef]
* (8) [PERSON]; [PERSON]; [PERSON]; [PERSON] Development and Integration of a Solar Powered Unmanned Aerial Vehicle and a Wireless Sensor Network to Monitor Greenhouse Gases. _Sensors_**2015**, _15_, 4072-4096. [CrossRef]
* (9) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Wireless Sensor Networks and Multi-UAV systems for natural disaster management. _Comput. Netw._**2017**, _124_, 72-86. [CrossRef]
* (10) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Design of a low-cost Wireless Sensor Network with UAV mobile node for agricultural applications. _Comput. Electron. Agric._**2015**, _119_, 19-32. [CrossRef]
* (11) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] Multisensor approach to assess vineyard thermal dynamics combining high-resolution unmanned aerial vehicle (UAV) remote sensing and wireless sensor network (WSN) proximal sensing. _Sci. Hortic._**2017**, _221_, 83-87. [CrossRef]
* (12) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] _Wireless Sensors Networks Based Monitoring: Review, Challenges and Implementation Issues_; [PERSON], [PERSON], [PERSON]; IEEE: New York, NY, USA, 2008; ISBN 978-1-4244-2176-3. * (13) [PERSON]; [PERSON]; [PERSON]; [PERSON] A review of wireless sensors and networks' applications in agriculture. _Comput. Stand. Interfaces_**2014**, _36_, 263-270. [CrossRef]
* (14) [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] _SensorFlock: An Airborne Wireless Sensor Network of Micro-Air Vehicles_; Assoc. Computing Machinery: New York, NY, USA, 2007; ISBN 978-1-59593-763-6. * _[PERSON] et al. (2017)_ _[PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] Unmanned Aerial Vehicle Based Wireless Sensor Network for Marine-Coastal Environment Monitoring._ Sensors_**2017**, _17_, 460. [CrossRef] [PubMed]
* _[PERSON] et al.