Pemetaan Status Kesuburan Tanah pada Lahan Kopi Arabika di Kecamatan Lumban Julu Kabupaten Toba Samosir
Sihombing, Joko Erikson
Marbun, Posma Mangasi Pintaria
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Lumban Julu subdistrict is one of the producer Arabica coffee in Toba Samosir District. To know the soil fertility status is very important to increase production Arabica coffee. This research aims to map the soil fertility in Arabica coffee plantation in Lumban Julu Subdistrict, Toba Samosir district. Soil samples were taken from each Soil Map Unit (SMU) and analyzed at the Laboratory. Observed parameters were cation exchange capacity (CEC), bases saturation, C-organic, P-total and K-total. The research showed that all soil fertility status of SMU 1 until SMU 8 were low criterion.
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