PERBEDAAN KANDUNGAN MINYAK ATSIRI TANAMAN LENGKUAS (Alpinia galanga L.) PADA LINGKUNGAN YANG BERBEDA DI KABUPTEN SUMENEP Ainur Rahman1, Diana Nurus Sholehah, S. Farm2., Apt. M.Si, Ir.H.Suhartono, M.P.2 1Mahasiswa Program Studi Agroteknologi, Fakultas Pertanian, UTM 2Staf Pengajar Program Studi Agroteknologi, Fakultas Pertanian, UTM ABSTRAK Tujuan penelitian ini untuk mengetahui kandungan minyak atsiri tanaman lengkuas (Alpinia galanga L) pada lingkungan yang berbeda di kabupaten Sumenep. Penelitian dilakukan di sentra penanaman lengkuas (Alpinia galanga L) kabupaten sumenep bagian daratan di tiga kecamatan yang meliputi Kecamatan Manding, Kecamatan Rubaru dan kecamatan Batuan. Penelitian ini menggunakan metode survey yang di mulai pada bulan juli – agustus 2016. Variabel pengamatan dalam penelitian ini yaitu ketinggian tempat, analisis kandungan unsur hara N. Hasil penelitian menunjukkan bahwa Kandungan N memiliki hubungan terhadap kandungan minyak atsiri tanaman lengkuas, sedangkan pH tanah dan ketinggian tempat tidak berpengaruh nyata terhadap kandungan minyak atsiri tanaman lengkuas yang terdapat pada tiga kecamatan di Kabupaten Sumenep. Rata-rata Kandungan minyak atsiri tertinggi diperoleh pada desa Matanair kecamatan Rubaru dengan nilai 1,31% dibandingkan daerah lain di Kecamatan Manding dan Batuan. Kata Kunci : Lengkuas (Alpinia galanga L.), Ketinggian Tempat, Analisis Tanah (pH Tanah unsur hara N Kandungan Minyak Atsiri

DIFFERENCES VOLATILE OIL CONTENT GALANGAL PLANTS (OF ALPINIA GALANGA L.) ON ENVIRONMENT DIFFERENT IN THE DISTRICT SUMENEP Ainur Rahman1, Diana Nurus Sholehah, S. Farm2., Apt. M.Si, Ir.H.Suhartono, M.P.2 1Mahasiswa Program Studi Agroteknologi, Fakultas Pertanian, UTM 2Staf Pengajar Program Studi Agroteknologi, Fakultas Pertanian, UTM ABSTRACT The purpose of this study to determine contains oil plant galangal (Alpinia galanga L) in different environments in Sumenep regency. The study was conducted in centers planting galangal (Alpinia galanga L) Sumenep regency parts of mainland in three districts covering District Manding, District Rubaru and sub-district Batuan. This study used a survey method that starts in July - August, 2016. Variable observation in this study is altitude done with the aim of knowing the relationship of altitude on the content of essential oils, Analysis of soil analysis was conducted on several parameters: pH, analysis of the nutrient content of N, analysis of essential oil content, content of N has a close relationship to the content of essential oil of ginger plant. Soil pH has a relationship to the content of essential oil of ginger plants were found in three districts in Sumenep regency. The highest essential oil content obtained in rural districts matanair Rubaru with a value of 1.31% compared to the Subdistrict Manding and Batuan. Keywords: Galangal (Alpinia galanga L.), Altitude, Soil analysis (PH Soil Nutrient Content of Essential Oil N)

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