Sports · Baseball · 1 hr ago
Hokkaido company turns drainage-pipe expertise into baseball field soil
Nayoro Dokan Seisakusho makes soil for baseball fields at its base in Nayoro, Hokkaido, Japan.
The company adapted techniques used to make unglazed clay pipes that drain excess water from farmland.
Those techniques help produce soil with controlled firmness and grip, qualities that affect how players perform on the field.
The company says its soil is made to a standard comparable to that used at Major League Baseball grounds.
About 60 venues use the soil, including Daiwa House Premist Dome in Sapporo and Jingu Stadium in Tokyo.
Pitchers have praised the mound for resisting damage underfoot and helping them throw with force.
Nayoro Dokan Seisakusho, based in Nayoro, Hokkaido, makes soil for baseball fields using expertise developed in producing drainage pipes for farmland.
The company adapts its unglazed clay-pipe technology to give the soil a balance of firmness and stickiness.
The soil is described as being comparable in quality to soil used at Major League Baseball stadiums.
It has been adopted at about 60 locations, including the Daiwa House Premist Dome in Sapporo and Jingu Stadium.
Pitchers have praised the mound for resisting damage and helping them throw strong pitches.
- Who
- Nayoro Dokan Seisakusho, a company based in Nayoro, Hokkaido.
- What
- It makes baseball-field soil using technology developed for agricultural drainage pipes.
- When
- The story was published on October 21, 2026.
- Where
- The company is in Nayoro, Hokkaido; its soil is used at about 60 locations, including the Daiwa House Premist Dome and Jingu Stadium.
- Why
- The company applies its pipe-making expertise to produce soil with suitable firmness and stickiness for baseball fields.
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- Company
- Nayoro Dokan Seisakusho
- Base
- Nayoro, Hokkaido
- Adoption
- About 60 locations
- Examples
- Daiwa House Premist Dome and Jingu Stadium
- Soil quality
- Comparable to soil at Major League Baseball stadiums
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What people are saying
The mound does not get dug up easily, so I can throw strong pitches