EVALUASI KESESUAIAN DI AREAL PENGGUNAAN LAIN UNTUK TANAMAN GAMBIR  (Uncaria gambier Roxb.) DI KECAMATAN SALAK, KABUPATEN PAK-PAK BHARAT

Fitra Syawal Harahap; Abdul Rauf; Deni Elfiati; Sarifuddin Sarifuddin; Simon Haholongan Sidabukke

doi:10.21776/ub.jtsl.2020.007.1.2

Authors

Fitra Syawal Harahap Progam Studi Agroteknologi Sekolah Tinggi Ilmu Pertanian (STIPER) Yayasan Universitas Labuhan Batu 21418 Sumatera Utara
Abdul Rauf Program Studi Agroteknologi Fakultas Pertanian Universitas Sumatera Utara 20222
Deni Elfiati Fakultas Kehutanan Universitas Sumatera Utara 20222
Sarifuddin Sarifuddin Program Studi Agroteknologi Fakultas Pertanian Universitas Sumatera Utara 20222
Simon Haholongan Sidabukke Program Studi Manajemen Kehutanan Fakultas Pertanian Universitas Simalungun 21142

DOI:

https://doi.org/10.21776/ub.jtsl.2020.007.1.2

Keywords:

gambir cropland suitability, land area use, land evaluation, Salak District

Abstract

Salak Sub-district has a land area use covering an area of 3607.20 ha or 13.67% of the total area of 25640.99 ha Pakpak Bharat so that other land area use (APL) in Salak Sub-district needs to be supported with information on land suitability so that the potential of very large land can be utilized in agricultural cultivation activities, with the expectation that productivity can improve the welfare of local people who mostly work as farmers. The purpose of this research is to know and evaluate the characteristics of the actual land suitability level and the suitability of potential land in Salak Subdistrict so that it is known that suitable land conditions for agricultural commodities will be developed to increase crop Gambir (Uncaria gambirÂ Roxb.) productivity. The research method used survey method. Unit of land based on soil maps, maps of slope, elevation maps, land cover maps, and consists of 8 units of land and 18 sampling points. Research data were analyzed using matching method. Research results Limiting factor and improvement effort of plant commodity of Gambir Plant (Uncaria gambir Roxb.) Rooting factor (rc) and nutrient retention (nr). Improvement efforts that can be done by making drainage and calcification CaCO_3,

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