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AGRICULTURE (680 journals)            First | 1 2 3 4     

Showing 601 - 263 of 263 Journals sorted alphabetically
Science as Culture     Hybrid Journal   (Followers: 10)
Science, Technology and Arts Research Journal     Open Access   (Followers: 1)
Scientia Agricola     Open Access  
Scientia Agropecuaria     Open Access  
Seed Science and Technology     Full-text available via subscription  
Seed Science Research     Hybrid Journal  
Selçuk Tarım ve Gıda Bilimleri Dergisi     Open Access  
Semiárida     Open Access  
Siembra     Open Access  
Small Ruminant Research     Hybrid Journal   (Followers: 2)
Smart Agricultural Technology     Open Access  
Social & Cultural Geography     Hybrid Journal   (Followers: 25)
Social and Natural Sciences Journal     Open Access  
South African Journal of Agricultural Extension     Open Access   (Followers: 3)
South African Journal of Economics : SAJE     Hybrid Journal   (Followers: 7)
South African Journal of Plant and Soil     Hybrid Journal   (Followers: 1)
Spatial Economic Analysis     Hybrid Journal   (Followers: 9)
Sri Lanka Journal of Food and Agriculture     Open Access   (Followers: 1)
Stiinta Agricola     Open Access  
Studies in Australian Garden History     Full-text available via subscription   (Followers: 4)
Sugar Tech     Hybrid Journal   (Followers: 1)
Sustainability Agri Food and Environmental Research     Open Access   (Followers: 4)
Sustainability and Climate Change     Full-text available via subscription   (Followers: 5)
Sustainable Agriculture Research     Open Access   (Followers: 3)
Sustainable Environment Agricultural Science (SEAS)     Open Access   (Followers: 1)
Tanzania Journal of Agricultural Sciences     Open Access   (Followers: 4)
Terra Latinoamericana     Open Access  
The Agriculturists     Open Access  
The Journal of Research, PJTSAU     Open Access   (Followers: 1)
Translational Animal Science     Open Access  
Trends in Agricultural Economics     Open Access   (Followers: 7)
Tropical Agricultural Research     Open Access   (Followers: 1)
Tropical Agricultural Research and Extension     Open Access   (Followers: 2)
Tropical and Subtropical Agroecosystems     Open Access  
Tropical Grasslands - Forrajes Tropicales     Open Access  
Tropical Technology Journal     Open Access  
Tropicultura     Open Access  
Turkish Journal of Agricultural and Natural Science / Türk Tarım ve Doğa Bilimleri Dergisi     Open Access  
Turkish Journal of Agricultural Engineering Research     Open Access  
Ukrainian Journal of Veterinary and Agricultural Sciences     Open Access  
Uluslararası Tarım ve Yaban Hayatı Bilimleri Dergisi / International Journal of Agricultural and Wildlife Sciences     Open Access  
UNICIÊNCIAS     Open Access  
Universal Journal of Agricultural Research     Open Access  
Universidad y Ciencia     Open Access  
Urban Agricultural & Regional Food Systems     Open Access  
Viticulture Data Journal     Open Access  
VITIS : Journal of Grapevine Research     Open Access   (Followers: 1)
Walailak Journal of Science and Technology     Open Access  
Wartazoa. Indonesian Bulletin of Animal and Veterinary Sciences     Open Access  
Weed Biology and Management     Hybrid Journal   (Followers: 3)
Weed Research     Hybrid Journal   (Followers: 4)
West African Journal of Applied Ecology     Open Access  
Wildlife Australia     Full-text available via subscription   (Followers: 1)
Wirtschaftsdienst     Hybrid Journal   (Followers: 5)
World Journal of Agricultural Research     Open Access  
World Mycotoxin Journal     Hybrid Journal   (Followers: 3)
World's Poultry Science Journal     Full-text available via subscription   (Followers: 3)
علوم آب و خاک     Open Access  

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Rona Teknik Pertanian
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2085-2614 - ISSN (Online) 2528-2654
Published by Universitas Syiah Kuala Homepage  [19 journals]
  • Perencanaan Stabilitas Lereng Timbunan untuk Perbaikan Saluran Irigasi
           Sugih, Desa Cibedug, Kecamatan Ciawi, Kab. Bogor

    • Authors: Nurul Chayati, Feril Hariati, Alimuddin Alimuddin, Fadhila Muhammad Libasut Taqwa, Muhammad Ilham
      Pages: 1 - 12
      Abstract: Abstrak. Saluran irigasi Sugih yang terletak di Desa Cibedug, Kecamatan Ciawi, Kabupaten Bogor sudah tidak dapat berfungsi pasca terjadinya longsoran di kawasan tersebut pada akhir tahun 2020. Longsoran tersebut sampai saat ini belum dilakukan perbaikan. Ratusan hektar sawah di Kp. Turki Rt 01 Rw 03 Desa Cibedug dipastikan gagal panen pada musim ini. Saluran irigasi Sugih yang diandalkan oleh warga untuk mengairi sawahnya terputus akibat bencana longsor. Tujuan dari penelitian adalah menganalisis sifat fisis dan mekanis tanah di saluran irigasi Sugih Desa Cibedug, Kecamatan Ciawi Kabupaten Bogor serta melakukan analisis stabilitas lereng dengan Metode Bishop Disederhanakan (Simplified Bishop Method) dan menggunakan aplikasi Autocad 2018 untuk mendapatkan perencanaan stabilitas lereng dan timbunan tanah yang diperlukan. Hasil analisis sifat fisis, mekanis didapatkan nilai parameter tanah. Berat isi tanah kering (gdry) 13,60 kN/m3, berat isi (g) rata rata sebesar 2,18 gr/cm3, nilai sudut nilai geser tanah (f) sebesar 26,19˚ dan nilai lekatan antara partikel tanah kohesi (c) sebesar 0,09 kN/m2,pada software Autocad 2018 didapatkan dimensi lereng 1 : 1, volume galian sebesar 1.594 m3,timbunan sebesar 1.830,26 m3 dan luasan longsoran sebesar 1.000,30 m2. Berdasarkan perhitungan menggunakan Metode Bishop Disederhanakan didapatkan nilai faktor keamanan (safety factor) 1,83 sehingga lereng yang direncanakan tersebut stabil.Embankment Slope Stability Planning for Sugih Irrigation Channel Improvement, Cibedug Village, Ciawi District, Bogor RegencyAbstract. The Sugih irrigation channel which is located in Cibedug Village, Ciawi District, Bogor Regency is no longer functioning after the landslide occurred in the area at the end of 2020. Until now, the landslide has not been repaired. Hundreds of hectares of rice fields in Kp. Turki Rt 01 Rw 03, Cibedug Village is confirmed to have failed crops this season. The Sugih irrigation channel that residents rely on to irrigate their fields was cut off due to landslides. The purpose of the study was to analyze the physical and mechanical properties of the soil in the Sugih irrigation channel of Cibedug Village, Ciawi District, Bogor Regency and to analyze the slope stability using the simplified Bishop method and use the Autocad 2018 application to obtain the required slope stability and soil fill plan. The results of the analysis of physical and mechanical properties obtained soil parameter values. Dry soil fill weight (gdry) 13.60 kN/m3, bulk density (g) average of 2.18 g/cm3, angular value of soil shear value (f) of 26.19˚ and the value of coherence between cohesion soil particles (c) 0.09 kN/m2, in the Autocad 2018 software a 1: 1 slope dimension is obtained the excavation volume of 1,594 m3, an embankment of 1,830.26 m3 and landslide area of 1,000.30 m2. Based on calculations using the simplified Bishop Method, it is obtained the value of the safety factor (safety factor) 1.83 so that the planned slope is stable.

      PubDate: 2022-04-29
      DOI: 10.17969/rtp.v15i1.18959
      Issue No: Vol. 15, No. 1 (2022)
       
  • Efisiensi Teknologi Irigasi Sprinkler Di Lahan Kelompok Tani Kecamatan
           Tarakan Utara, Kota Tarakan

    • Authors: Sudirman Sirait, Dwi Santoso, Nurnita Sari, Sendi Hatta, Hendris Hendris
      Pages: 13 - 24
      Abstract: Abstrak. Pemberian air irigasi secara konvensional di lahan usaha tani menyebabkan penurunan nilai efisiensi air irigasi. Hal ini dapat mengakibatkan kehilangan air irigasi dan pemberian air irigasi yang tidak sesuai dengan kebutuhan tanaman. Penerapan teknologi irigasi sprinkler mampu meningkatkan efisiensi dan produktivitas air irigasi untuk memenuhi kebutuhan tanaman. Penelitian ini bertujuan untuk mengetahui efisiensi penerapan teknologi irigasi sprinkler pada lahan pertanian di Kecamatan Tarakan Utara Kota Tarakan. Penelitian ini terdiri atas beberapa tahapan yaitu analisa tanah lahan percobaan, koefisiensi keseragaman (CU) irigasi sprinkler, distribusi keseragaman (DU) irigasi sprinkler, efisiensi penyimpanan (Es) dan efisiensi penggunaan (Eap) irigasi sprinkler. Hasil penelitian menunjukan bahwa tanah lahan percobaan memiliki tekstur lempung berpasir. Efisiensi penerapan irigasi sprinkler tergolong dalam kondisi baik dengan nilai CU 89,18%, DU 82,79%, Es 75%, Eap 68%. The Efficiency Sprinkler Irrigation Technology On Agricultural Land In North Tarakan District, Tarakan CityAbstract. Provision of irrigation water conventionally on farmland. causes a decrease in the efficiency of irrigation water. This can result in loss of irrigation water and this is not suitable for crop needs. The application of sprinkler irrigation technology can increase irrigation efficiency and water productivity to meet plant needs. This study aimed to determine the efficiency of the application of sprinkler irrigation technology on agricultural land in North Tarakan District, Tarakan City. This research consisted of several stages, namely the soil analysis of experimental land, analysis of uniform coefficient (CU), analysis of the uniform distribution (DU), analysis of storage efficiency (Es), and efficiency of use (Eap). The results showed that the experimental land had a sandy loam texture. The efficiency of the application of sprinkler irrigation was in good condition with the value of CU 89.18%, DU 82.79%, Es 75%, and Eap 68%.

      PubDate: 2022-04-30
      DOI: 10.17969/rtp.v15i1.23360
      Issue No: Vol. 15, No. 1 (2022)
       
  • Model Rancangan Zero Runoff Sistem (ZROS) Integrasi Bangunan Penampung
           Hujan dan Sumur Resapan

    • Authors: Radius Pranoto, Ricky Ravsyan A, Anggi Nidya S, Djaka Suhirkam
      Pages: 25 - 37
      Abstract: Abstrak. Sebagian besar wilayah Indonesia memiliki potensi curah hujan yang tinggi rata-rata berkisar 2000 - 4000 mm/tahun.  Curah hujan merupakan salah satu sumber air bersih yang ekonomis dan bisa dimanfaatkan secara langsung. Namun sebaliknya, hujan juga akan merugikan dan menimbulkan masalah, seperti; genangan, banjir, longsor, erosi, sarang penyakit jika tidak dikelola dan dikendalikan dengan baik. Penelitian ini bertujuan untuk merancang model zero runoff sistem (ZROS) integrasi antara sarana detensi hujan dan sumur resapan air hujan (SRAH) untuk mengendalikan limpasan hujan dari atap gedung di lingkungan Kampus Politeknik Negeri Sriwijaya. Dari pengujian dperoleh nilai permeabilitas tanah  sebesar 1,874 cm/jam atau sekitar 0,45 m/hari. Simulasi dilakukan menggunakan data hujan harian tahun 2007-2018 pada beberapa dimensi model ZROS integrasi bak penampung (kapasitas 4,5 m – 12 m3) dan SRAH (kedalaman 2 m dan diameter 0,57 m – 0,7 m). Diketahui model ZROS integrasi bak penampung (kapasitas 4,5 m3) dan sumur resapan air hujan (kedalaman 2 m dan diameter 1,4 m) mampu mereduksi debit limpasan hingga 100 % (zero runoff) dari bidang tadah hujan per 100 m2. Rancangan model ZROS integrasi terdiri dari bak penampung segiempat terbuat dari beton atau pasangan batu bata dan sumur resapan air hujan berbentuk silinder dengan dasar dan dinding porous (dinding terbuat pasangan batu bata atau tanah kosong).Desain Model of Zero Runoff System (ZROS) Rainwater Storage Building and Well Recharge IntegratedAbstract. Most of the region of Indonesia has the potential for high rainfall with an average of 2000 - 4000 mm/year. Rainwater is one source of clean water that’s economical cost and could be used directly. On the other hand, the rain will be detrimental and cause many problems, such as; puddles, floods, landslides, erosion, and nests of disease if not managed and controlled properly. The purpose of this study was to design a zero runoff system (ZROS) model integration between rain detention facilities and rainwater infiltration wells to control rain runoff from the roof of the building on the Sriwijaya State Polytechnic Campus. From the test, the soil permeability value is 1,874 cm/hour or about 0,45 m/day. The simulation was carried out using daily rainfall data for 2007-2018 on several dimensions of the ZROS model integration of the reservoir (capacity 4,5 – 12 m3) and infiltration wells (depth 2 m and diameter 0,57 m– 0,7 m). The results show that the ZROS model of the integration of the reservoir (capacity 4,5 m3) and rainwater infiltration wells (depth 2 m and diameter 1,4 m) were able to reduce runoff up to 100% (zero runoff) from rainfed area per 100 m2. The design of the integrated ZROS model consists of a rectangular reservoir made of concrete or masonry and a cylindrical infiltration well with a porous base and walls (walls made of masonry or vacant soil).
      PubDate: 2022-04-30
      DOI: 10.17969/rtp.v15i1.23395
      Issue No: Vol. 15, No. 1 (2022)
       
  • Evaluasi Kinerja Sub Das Krueng Jreu Kabupaten Aceh Besar

    • Authors: Khairun Purgawa, Hairul Basri, Syahrul Syahrul
      Pages: 38 - 53
      Abstract: Abstrak. Dampak perubahan alih fungsi lahan merupakan kejadian di alam yang perlu dipahami untuk menentukan tindakan yang perlu dilakukan di waktu yang akan datang. Strategi pengelolaan DAS masih membutuhkan suatu inovasi pendekatan hidrologi dan lahan untuk memperbaiki situasi DAS. Penelitian ini bertujuan untuk mengevaluasi kinerja  Sub DAS Krueng Jreu Berdasarkan Permenhut P.61 tahun 2014 tahun tentang Monitoring dan Evaluasi Pengelolaan Daerah Aliran Sungai yang mencakup karakteristik Lahan dan karakteristik hidrologi. Hasil penelitian menunjukan persentase lahan kritis yaitu 2,37% (0,023723 ha), Persentase persentase penutupan vegetasi yaitu 78,61% (18250,64) ha, Indeks Erosi sebesar 0,60, Koefisisien Rejim Aliran (KRA) sebesar 26,62  Koefisien Aliran Tahunan (KAT) didapatkan hasil sebesar 0,056, Muatan Sedimen didapatkan hasil 5,02 ton/ha/tahun, frekuensi banjir adalah 1 kali dalam kurun waktu lima tahun, Indeks Penggunaan Air sebesar 22917,30  m3/thn termasuk dalam kelas sangat baik (0,5). Berdasarkan hasil  skoring 8 Sub kriteria  evaluasi kinerja Sub DAS Krueng Jreu yang meliputi Penggunaan Lahan dan Tata Air maka didapatkan hasil akhir senilai 37,75 dengan katagori sangat baik yang berarti kondisi DAS dalam keadaan sangat baik jika di lihat dari penggunaan lahan dan tata air.Performance Evaluation of Krueng Jreu Sub-watershed, Aceh Besar DistrictAbstract. The impact of changes and land-use changes caused is an event in nature that needs to be understood to determine the actions that need to be taken in the future. The watershed management strategy still requires innovation to improve the watershed situation. This study aims to determine the performance of the Krueng Jreu sub-watershed based on the Regulation of the Minister of Forestry P.61 of 2014 concerning Monitoring and Evaluation of Watersheds which includes hydrological characteristics and characteristics. The results showed that critical land was 2.37% (0.023723 ha), the percentage of vegetation cover percentage was 78.61% (18250.64) ha, the Erosion Index was 0.60, the Flow Regime Coefficient (KRA) was 26.62 The Annual Flow Coefficient (KAT) yields 0.056, Sediment Load yields 5.02 tons/ha/year, the frequency of flooding is 1 time within five years, the Water Use Index is 22917.30 m3/yr included in the very good class. (0.5). Based on the scoring of 8 Sub Criteria for evaluating the performance of the Krueng Jreu Watershed which includes Land Use and Water Management, the final result is 37.75 with a very good category which means the watershed condition is in very good condition when viewed from land use and water management.  
      PubDate: 2022-04-30
      DOI: 10.17969/rtp.v15i1.21607
      Issue No: Vol. 15, No. 1 (2022)
       
  • Analisis Indeks Kekeringan Hidrologi DAS Krueng Aceh (Studi Kasus Sub DAS
           Krueng Jreue dan Sub DAS Krueng Khee)

    • Authors: Attabari Aldin, Hairul Basri, Syahrul Syahrul
      Pages: 54 - 63
      Abstract: Abstrak.  Luas Sub DAS Krueng Jreue 23.218,06 Ha dan Sub DAS Krueng Khee 9.599,66 Ha. Berdasarkan hasil kajian bahwa luas vegetasi tutupan lahan semakin berkurang setiap tahunnya dimana ditandai dengan tingginya nilai fluktuasi debit sehingga mengakibatkan banjir pada musim hujan dan kekeringan pada musim kemarau. Tujuan penelitian adalah untuk mengetahui nilai ambang batas kekeringan hidrologi di Sub DAS Krueng Jreue dan Sub DAS Krueng Khee dan indeks kekeringan hidrologi di Sub DAS Krueng Jreue dan Sub DAS Krueng Khee. Penelitian ini menggunakan metode ranking Weibull dimana ditentukan nilai ambang batas Q50 dan Q80, dihitung defisit dan durasi dan kemudian ditentukan nilai indeks kekeringan hidrologi. Nilai ambang batas Sub DAS Krueng Jreue adalah 0,067 m3/s dan Sub DAS Krueng Khee 0,181 m3/s. Defisit Sub DAS Krueng Jreue tahun 2014 adalah tertinggi dengan angka 0,401 m3/s dengan durasi kering tujuh bulan dan Sub DAS Krueng Khee tahun 2012 adalah tertinggi dengan angka -0,715 m3/s dengan durasi kering enam bulan. Indeks kekeringan hidrologi di Sub DAS Krueng Jreue tahun 2015 adalah tertinggi dengan nilai 0,0629 m3/s dan indeks kekeringan hidrologi di sub DAS Krueng Khee tahun 2011 adalah tertinggi dengan nilai 0,3282 m3/s.An Analysis of The Krueng Aceh’s Hydrological Drought Index  (A Case Study of The Sub Watershed Krueng Jreue and Krueng Khee)Abstract.  The area of the Krueng Jreue Sub-watershed is 23,218.06 Ha and the Krueng Khee Sub-watershed is 9,599.66 Ha. Based on the results of the study that the area of land cover vegetation decreases every year which is indicated by the high value of discharge fluctuations, resulting in flooding in the rainy season and drought in the dry season. The purpose of this study was to determine the threshold value for hydrological drought in the Krueng Jreue Sub-watershed and Krueng Khee Sub-watersheds and the hydrological drought index in the Krueng Jreue Sub-watershed and Krueng Khee Sub-watersheds. This study uses the Weibull ranking method where the threshold values for Q50 and Q80 are determined, the deficit and duration are calculated and then the hydrological drought index value is determined. The threshold value for the Krueng Jreue Sub-watershed is 0.067 m3/s and the Krueng Khee Sub-watershed is 0.181 m3/s. The Krueng Jreue Sub-watershed deficit in 2014 was the highest at 0.401 m3/s with a dry duration of seven months and the Krueng Khee Sub-watershed in 2012 was the highest at -0.715 m3/s with a dry duration of six months. The hydrological drought index in the Krueng Jreue Sub-watershed in 2015 was the highest with a value of 0.0629 m3/s and the hydrological drought index in the Krueng Khee Sub-watershed in 2011 was the highest with a value of 0.3282 m3/s. 
      PubDate: 2022-05-06
      DOI: 10.17969/rtp.v15i1.21721
      Issue No: Vol. 15, No. 1 (2022)
       
 
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