PEMETAAN STATUS HARA K, Ca, Mg TANAH PADA KEBUN KELAPA SAWIT (Elaeis guineensis Jacq) DI PERKEBUNAN RAKYAT KECAMATAN HUTABAYU RAJA KABUPATEN SIMALUNGUN

Star Marudur Pangaribuan, Supriadi Supriadi, Sarifuddi Sarifuddi

Abstract


Mapping survey in order to classify, analyze and soil mapping by grouping at soils which have the
same characteristics a certain mapping unit. The objective of this research is to mapping of K, Ca,
and Mg of soils at people Palm oil estate of Hutabayu Raja, Simalungun District. This research
was begun in Juni 2011 until Februari 2012. Soil nutrient data obtained through free sampling grid
method. Mapping and classification using Geographic Information System with criteria nutrient
status of BPPT (1983) and BPP Medan (2005). The result of research indicate that medium
Potassium,very low Calcium and low Magnesium (0,3 Ha), medium Potassium, very low Calcium
and very low Magnesium (204 Ha), high Potassium, very low Calcium and low Magnesium (5 Ha)
and high Potassium, very low Calcium and very low Magnesium ( 90 Ha).
Keywords : mapping survey, potassium, calcium, magnesium

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Program studi Agroteknologi

Fakultas Pertanian

Jl. Prof. A. Sofyan no. 3

Kampus Universitas Sumatera Utara

Padang Bulan- 20155

Medan-Sumatera Utara

E ISSN (2337-6597)