Pendugaan Tingkatan Bahaya Erosi pada Tanaman Kopi (Coffea Sp.) di Beberapa Kecamatan di Kabupaten Dairi

Ledi Kiswanto Barus (Universitas Sumatera Utara)
Hardy Guchi (Universitas Sumatera Utara)
Posma Marbun (universitas Sumatera Utara)

AGROEKOTEKNOLOGI
Vol 3, No 2 (2015)

This study aims to determine the level of danger of erosion on land coffee plant ( Coffea Sp ) insome of the District Dairi . Coffee plants can grow in a variety of soil types and grows well ataltitude 800 sd 2000 m above sea level , the temperature is 15 sd 25oC , rainfall 1,750 mm peryear sd 3.000 and pH 5.5 up to 6.5 . Number of Production Smallholders 2758.85 tonnes ofRobusta and Arabica coffee 10088.50 tonnes . In 2006 amounted to 2,865 tons , an increase of18,168 tonnes (2008 ) , dropped to 2,060 tons (2009 ) , be 12 847 tonnes (2010 ). 19,000 hectaresof land used , used for Robusta coffee smallholders and 8,495 for Arabica coffee 10504.5hectaresKeyword : Coffee Plant, Soil Slope, Erosion potential.