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Husnul Mubarak
Universitas Hasanuddin
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Environmental Science

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EVALUASI KESESUAIAN LAHAN PENGEMBANGAN KOMODITI TANAMAN PANGAN BERBASIS SPASIAL DI KEC. TANETE RIAJA, KAB. BARRU Samsuar; Muhammad Tahir Sapsal; Mahmud Achmad; Husnul Mubarak; Nunik Lestari
Jurnal Agritechno Jurnal Agritechno, Vol. 13, Number 2, Oktober 2020
Publisher : Depertemen Teknologi Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/at.v13i2.368

Abstract

Increasing land productivity, especially in the agricultural sector, are absolutely necessary at this time. One effort that can be done is by evaluating the characteristics of the land in order to obtain suitable information for the development of agricultural commodities in an area. The purpose of this study was to provide information on land characteristics and to analyze the level of land suitability for the development of food crop commodities (rice, corn, soybeans and cassava). The land characteristic parameters observed included climate, land morphology, soil physical and chemical properties. The results show that it is possible to develop food crops in Tanete Riaja District, even though only in the S2 and S3 categories. The slope factor is the main obstacle in the development of this commodity, so that crop management such as terracing and intercropping systems is an alternative cropping model that can be implemented. Low soil fertility and acidic soil pH are manageable factors that can be improved to increase soil quality.
Prediksi Debit Aliran Sub-DAS Bantimurung Menggunakan Model HEC-HMS Sitti Zulaeha; Sitti Nur Faridah; Mahmud Achmad; Husnul Mubarak
Jurnal Agritechno Jurnal Agritechno, Vol. 13, Number 1, April 2020
Publisher : Depertemen Teknologi Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.15 KB) | DOI: 10.20956/at.v13i1.255

Abstract

Bantimurung watershed is the resource of irrigation water for the surrounding communities and the last few years the change in the magnitude of the maximum discharge and the minimum discharge fluctuates considerably. This study aimed to predict the flow discharge and investigate the validity of HEC-HMS model (Hydrologic Engineering Center's Hydrologic Modeling System) in predicting the flow discharge in the Bantimurung watershed of Maros Regency. The method used in this study was a quantitative method which included data collection of the research data in the field, such as rainfall data, discharge flow rate, soil texture and land use as well as the characteristics of Bantimurung watershed. Data analysis was done using HEC-HMS software. This software performed empirical simulation using rainfall, land slope, land use, soil physical characteristics and generate predicted discharge flow rate. The HEC-HMS model was calibrated using data from Public Work (PU) which were collected in 2006. The calibrated model was then validated using 2014 data. The calibration and validation results indicated that the predicted data were in good agreement with measured data R2 and NSE value of 0,546 and 0,595 respectively from the calibration process and 0,512 and 0,490 from the validation process. These results suggest that the HEC-HMS model can predict the measured discharge flow rate adequately
Estimasi Nilai Evapotranspirasi Potensial dalam Rangka Optimalisasi Pemanfaatan Irigasi Permukaan di Kabupaten Wajo Samsuar Samsuar; Husnul Mubarak; Nunik Lestari
Jurnal Agritechno Jurnal Agritechno Vol. 15, Nomor 2, Oktober 2022
Publisher : Depertemen Teknologi Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/at.vi.935

Abstract

Indonesian government is trying to increase the production of agricultural commodities in order to support the food self-sufficiency program. To support this program, the availability of irrigation facilities is important in supporting the productivity of agricultural field. Climate change and changes in agricultural systems have an impact on changes in the need of irrigation water in crop cultivation. The decreasing availability of water for agriculture encourages us to be able to use water more efficiently, especially for irrigation water. The purpose of this research is to predict the ETp value as a basis for determining plant water requirements, to determine the most suitable ETp model, to validate the prediction results of ETp values ​​using direct measurements in the field, and to obtain information related to climate factors that have the most influence on the ETp rate. The measurement of the ETp value is based on the use of Merra-2 global climate data and climate data from field measurements. ETp models used are Blaney-Criddle, Hargraves, Remanenko, Penman and Penman-Monteith. Research results showed that the ETp rate in Wajo District tended to increase during the July-October period indicating an increase in water demand in crop cultivation. The most influential climate parameter in determining the Penman Monteith ETp rate is solar radiation. The results of the ETp analysis using global data show that the Penman model is the closest model to the Penman Monteith ETp model from field measurements.
Co-Authors A. Ais Prayogi Alimuddin Andi Rahmayanti Ramli Mahmud Achmad Muhammad Tahir Sapsal Nunik Lestari Rezky Ariany Aras Samsuar Samsuar Samsuar Sitti Nur Faridah Sitti Zulaeha