Design and application of the layered soil moisture monitor for the smart agriculture

Xiaoqiang ZHAO; Heng QUAN; Zhufeng YAN; Lujun WANG

doi:10.11959/j.issn.2096-3750.2020.00188

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Design and application of the layered soil moisture monitor for the smart agriculture

Topic:Smart Agriculture | 更新时间：2024-06-05

- Design and application of the layered soil moisture monitor for the smart agriculture
- Chinese Journal on Internet of Things Vol. 4, Issue 4, Pages: 43-50(2020)
- 作者机构：
  
  1. 西安邮电大学通信与信息工程学院，陕西西安 710121
  2. 陕西省信息通信网络及安全重点实验室，陕西西安 710121
  3. 陕西省渭南市临渭区葡萄研究所，陕西渭南 714000
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2020.00188
  CLC： TP212.9
- Published：30 December 2020，
  
  Published Online：2020-12，
- 稿件说明：
移动端阅览
XIAOQIANG ZHAO, HENG QUAN, ZHUFENG YAN, et al. Design and application of the layered soil moisture monitor for the smart agriculture. [J]. Chinese journal on internet of things, 2020, 4(4): 43-50.
DOI：

XIAOQIANG ZHAO, HENG QUAN, ZHUFENG YAN, et al. Design and application of the layered soil moisture monitor for the smart agriculture. [J]. Chinese journal on internet of things, 2020, 4(4): 43-50. DOI： 10.11959/j.issn.2096-3750.2020.00188.

摘要

随着我国智慧农业的高速发展，土壤墒情监测变得尤为重要，但当下的监测方式大多存在设备布设安装困难、电极干扰、监测深度单一等问题。设计了一种适用于农田的土壤墒情监测仪，对于硬件结构，采用管式非接触的设计方案，完成了多个模块的设计，可实现分层非接触监测。对于软件协议，提出一种基于Modbus协议的多节点访问控制策略，该策略具有轮询效率高、数据稳定、监测节点广等特点。通过消息队列遥测传输（MQTT

message queuing telemetry transport）协议将数据传输至云服务器进行农业分析决策。在葡萄园区的测试表明，监测仪能实现范围为0～100%、精度为±2.45%的墒情监测，具有一定的稳定性和实用性。

Abstract

With the rapid development of the smart agriculture in China

the soil moisture monitoring has become particularly important.But there exist many problems in current monitoring methods

such as difficulties in layout and installation

electrode interference

and single monitoring depth.A soil moisture monitor suitable for the farmland was designed.For the hardware structure

a tube-type non-contact design scheme was adopted

and multiple modules were designed in order to realize the layered non-contact monitoring.For the software protocol

a control strategy of the multi-node access based on the Modbus protocol was proposed

which had the characteristics of high polling efficiency

data stability

and wide monitoring nodes.The data was transmitted to the cloud server through the message queuing telemetry transport (MQTT) protocol for the agricultural analysis and decision-making.The test in the vineyard area shows that the monitor can monitor the moisture content in the range of 0~100% and accuracy of ± 2.45%

which is of certain stability and practicality.

关键词

智慧农业土壤墒情监测分层非接触Modbus协议MQTT协议

Keywords

smart agriculturesoil moisture monitoringlayered non-contactModbus protocolMQTT protocol

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