Role of biochar in improving the fertility of degraded volcanic soils in Yap

COLONIA, YAP, FSM.  Dr. Murukesan Krishnapillai, Researcher/Extension Specialist, Yap Agricultural Experiment Station. Volcanic red soils in Yap are highly degraded with low soil fertility. Heavy rainfall and warm climate promote uncontrollable erosion and depletion of nutrients through leaching. More stable materials rich in iron and aluminum oxide are left behind which results in soils that is acidic. […]