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Soil monitoring system visualises the condition of agricultural land

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Murata Manufacturing is promoting measures to address salinity impact to agricultural land by conducting field trials utilising a soil monitoring system that makes it possible to visualise the condition of agricultural land in the Mekong Delta in collaboration with Can Tho University, a national university of Vietnam. The initiative is part of “Studies on Sustainable Soil Uses”, based on an agreement between the governments of Japan and Vietnam to provide ODA (Official Development Assistance) in support of measures to address the problem of salinity impact to agricultural land.

Background of the Project
Vietnam’s Mekong Delta region is subject to salinity impact from the infiltration of seawater during the dry season as a result of a decline in the volumetric flow rate of the Mekong River and the action of the tides under the impact of climate change driven by global warming. In addition to salt damage, the environment for agriculture has become harsher than in the past due the increasing severity of droughts and floods. The Mekong Delta region contains 30 per cent of Vietnam’s farmland and accounts for the majority of its domestic food production, and the damage, which is estimated to run into billions to tens of billions of yen, has become a serious problem.

Murata has been conducting the Project since 2017 in collaboration with Can Tho University, which possesses deep knowledge of agricultural and environmental research in the Mekong Delta. The company is using compact sensor units that draw on its know-how and expertise in the fields of electronic components, circuit design and software design to measure the condition of agricultural land and channel water with high precision. Combining these observations with independently developed monitoring tools, we can visualise and analyse the environmental conditions with a view. It contributes to the implementation of IT in agriculture in the Mekong Delta region by preventing salt damage to rice paddies and orchards, ameliorating salt and sulfur contamination of agricultural land and water channels, and creating a mechanism to comprehensively manage fertilizers, crops and irrigation systems.

Features of the Soil Monitoring System
The wireless transmitter-receiver system consists of a gateway, a router and several sensor nodes. Each sensor node is made up of a transmitter and three sensor units to measure the soil, field and channel water quality, and the sensing data is accumulated in the cloud.

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