SURVEI DAN PEMETAAN STATUS KALIUM LAHAN SAWAH PADA DAERAH IRIGASI BAHAL GAJAH/TIGA BOLON KECAMATAN SIDAMANIK

Wanaartha Nathalia Pardede, Supriadi Supriadi, Razali Razali

Abstract


Survey and mapping potassium status on wet rice have been in irrigation area Bahal Gajah/Tiga
Bolon in kecamatan Sidamanik. This research purpose to make a map potassium status on wet rice
field in irrigation area Bahal Gajah/Tiga Bolon. The research was started on April until December
2012. Sampling method use free grid survey method with semi detail survey scale. Result of
analysis process using correlation method, with Geographical Information System (GIS) program.
Parameter that analysis in laboratory is exchange of potassium. The result of research showed that
potassium exchange available devided by 5 status such as; lowest 0,118 ha (0,03%), low 1,542 ha
(0,36%), medium 35,203 ha (8,24%), high 90,114ha (21,08%), and highest 300,473 ha (70,29%).
Key words: mapping, potassium, paddy soil

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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)