Analisis Produksi dan Pemasaran Gambir di Kabupaten Lima Puluh Kota Provinsi Sumatera Barat

oleh Afrizal, Roni
Terbitan: IPB (Bogor Agriculture University), 2010

Assessment Erosion 3D Hazard with USLE and Surfer Tool: A Case Study of Sumani Watershed in West Sumatra Indonesia

oleh Aflizar, ., Afrizal, Roni, Masunaga, Tsugiyuki
Terbitan: UNIVERSITY OF LAMPUNG, 2013

Analisis Sistem Kemitraan Petani Penangkar dan PT. Pertani dengan PT. Citra Nusantara Mandiri

oleh Fitri, Melani Anisa, Afrizal, Roni, Yuliandri, Yuliandri
Terbitan: Politeknik Pertanian Negeri Payakumbuh, 2018

Analisis Risiko Panen Tandan Buah Segar Kelapa Sawit di PT. Perkebunan Nusantara III Kebun Batang Toru Afdeling II Sipisang Tapanuli Selatan Sumatera Utara

oleh Ibnusina, Fedri, Satria, Puja, Afrizal, Roni
Terbitan: Politeknik Pertanian Negeri Payakumbuh, 2019

ANALISIS KINERJA PEMASARAN TELUR AYAM DI KABUPATEN LIMAPULUH KOTA, SUMATERA BARAT

oleh Putri, Mega Amelia, Yelfiarita, Yelfiarita, Afrizal, Roni
Terbitan: Politeknik Pertanian Negeri Payakumbuh, 2020

Geochemical Investigation of Selected Elements in an Agricultural Soil: Case Study in Sumani Watershed West Sumatera in Indonesia

oleh Aflizar, ., Muzakkir, ., Afrizal, Roni, Rahman, Muhammad Azadur
Terbitan: UNIVERSITY OF LAMPUNG, 2017

ANALYSIS OF PRICE VARIATIONS AND INTEGRATION OF BROILER CHICKEN EGGS MARKET IN WEST SUMATRA

oleh Putri, Mega Amelia, Yelfiarita, Yelfiarita, Afrizal, Roni, Arnayulis, Arnayulis
Terbitan: Badan Penerbitan Fakultas Pertanian, Universitas Bengkulu, 2022

3D Agro-ecological Land Use Planning Using Surfer Tool for Sustainable Land Management in Sumani Watershed, West Sumatra Indonesia

oleh Aflizar, ., Idowu, Alarima Cornelius, Afrizal, Roni, Jamaluddin, ., Husnain, ., Masunaga, Tsugiyuki, Syafri, Edi, Muzakir, .
Terbitan: UNIVERSITY OF LAMPUNG, 2014

Assessment Erosion 3D Hazard with USLE and Surfer Tool: A Case Study of Sumani Watershed in West Sumatra Indonesia

oleh Aflizar, .; State Polytechnic Payakumbuh for Agriculture, Afrizal, Roni; State Polytechnic Payakumbuh for Agriculture, Masunaga, Tsugiyuki; Faculty of Life and Environmental Science, Shimane University, Nishikawatsu
Terbitan: UNIVERSITY OF LAMPUNG, 2013

Geochemical Investigation of Selected Elements in an Agricultural Soil: Case Study in Sumani Watershed West Sumatera in Indonesia

oleh Aflizar, .; State Polytechnic Payakumbuh for Agriculture (Politeknik Pertanian Negeri Payakumbuh), Indonesia 26271,, Muzakkir, .; State Polytechnic Payakumbuh for Agriculture (Politeknik Pertanian Negeri Payakumbuh), Indonesia 26271,, Afrizal, Roni; State Polytechnic Payakumbuh for Agriculture (Politeknik Pertanian Negeri Payakumbuh), Indonesia 26271,, Rahman, Muhammad Azadur; 2Department of Geoscience, Graduate School of Science and Engineering, Shimane University, 1060 Nishikawatsu-Cho, Matsue 690-8504, Japan,
Terbitan: UNIVERSITY OF LAMPUNG, 2017

3D Agro-ecological Land Use Planning Using Surfer Tool for Sustainable Land Management in Sumani Watershed, West Sumatra Indonesia

oleh Aflizar, .; State Polytechnic Payakumbuh for Agriculture, Campus Politani PO Box 107, Indonesia, Idowu, Alarima Cornelius; Faculty of Life and Environmental Science, Shimane University, Matsue 690-8504, Japan, Afrizal, Roni; State Polytechnic Payakumbuh for Agriculture, Campus Politani PO Box 107, Indonesia, Jamaluddin, .; State Polytechnic Payakumbuh for Agriculture, Campus Politani PO Box 107, Indonesia, Husnain, .; Indonesia Soil Research Institute, Bogor, Indonesia, Masunaga, Tsugiyuki; Faculty of Life and Environmental Science, Shimane University, Matsue 690-8504, Japan, Syafri, Edi; State Polytechnic Payakumbuh for Agriculture, Campus Politani PO Box 107, Indonesia, Muzakir, .; State Polytechnic Payakumbuh for Agriculture, Campus Politani PO Box 107, Indonesia
Terbitan: UNIVERSITY OF LAMPUNG, 2014