Robuta

https://cris.vtt.fi/en/publications/tarkkaturve-method-peat-production-on-shallowing-fields/ Tarkkaturve method - Peat production on shallowing fields - VTT's Research Information Portal research information portalmethodpeatproductionshallowing https://kamarth.com/tag/shallowing-trend/ Shallowing trend - Kamarth shallowingtrend