ABSTRACT
The Isahaya Bay Land Reclamation Project in Nagasaki Prefecture has been Japan’s largest public farmland investment project for 40 years. This project comprises three elements: (1) constructing a 7-kilometer-long sea dyke at the mouth of Ishaya Bay and desalting its inner water by...
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INTRODUCTION
The provision of clean and safe water is one of the most basic public services offered by local governments. One of the major concerns of local governments during Japan's era of high economic growth in the 1970s is related to how they would satisfy the increasing water demand from...
The Taoyuan Agricultural Research and Extension Station under the Ministry of Agriculture has developed a smart irrigation system for small potted plants that automatically waters from the bottom, helping save water and labor.
The ministry said that potted plants are a key agricultural industry in northern Taiwan, generating NT$490 million (US$16 million) annually—nearly half of the nation’s output. Popular varieties such as Flaming Katy and Poinsettia are grown mainly for holiday demand, but production has been affected by climate change and labor shortages, per CNA.
In response, the institute developed a bottom-watering tray paired with the new irrigation system. This allows growers to water multiple potted flowers efficiently while preventing leaf-borne diseases and reducing the loss of fertilizers and pesticides.
The institute said that traditional watering requires handling each pot by hand, which takes a lot of time and effort. The tray, which works with pipes, valves, sensors, and controllers, is better suited to Taiwan’s growing conditions than the larger bottom-watering systems used overseas. It also addresses issues such as uneven plant heights and challenges in recycling irrigation water.
The ministry added the tray is 3D-printed and compatible with most irrigation pipelines. It can even travel with the potted plants to the market, supplying water from a small container to help maintain quality.
Read more here.