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All Journal Indonesian Journal of Geography Indonesian Journal of Agricultural Science agriTECH Jurnal Ilmiah Rekayasa Pertanian dan Biosistem SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Irigasi Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Pengabdian dan Pengembangan Masyarakat Jurnal Litbang Kota Pekalongan

Bayu Dwi Apri Nugroho

Universitas Gadjah Mada

Author-ID : 2872078

Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Public Health

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Penerapan Sistem Monitoring Lahan dan Analisa Neraca Air Klimatik Pertanian di Lahan Gambut Bayu Dwi Apri Nugroho; Sri Nuryani Hidayah Utami; Benito Heru Purwanto
agriTECH Vol 39, No 2 (2019)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Farming in peatland can produce a commodity well if it follows the right planting calendar. Microclimate conditions in the peatland cannot yet be measured in real-time within a shorter time interval. Pelalawan, a region where most of its farmers use peatland for oil palm cultivation, need guidance on applying the best method of oil palm cultivation, which is possible to improve. This study aims to apply a telemetric based (field monitoring system) real-time climatic data application to monitor the agricultural field (peatland). Climate data and weather – soil sensors were set up in Pelalawan village from August 18 to November 16, 2018. Besides, the advancement of planting calendar determination method is also done for peatland farming with a climatic water balance analysis. The change in peatland farming has been successfully observed and measured. The changes in the climatic environment can be observed continuously within a time interval of 30 minutes. Sun radiation data show a significant fluctuation shift from day to day. It also occurs for rainfall, temperature and humidity data. Climatic data fluctuation can be monitored directly and continuously with a Field Monitoring System (FMS) application. Water balance for paddy and corn is obtained based on Plant Water Need and Effective Rain. The recommended schedule according to water balance analysis (surplus and deficit) is paddy 1 – corn – paddy 2.

Lotka Volterra Model Simulation for Rice-field Rat and Tyto Alba Owls in Sumpiuh District, Banyumas Regency, Central Java Reza Kusuma Nurrohman; Ardiansyah Ardiansyah; Bayu Dwi Apri Nugroho
agriTECH Vol 39, No 4 (2019)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Rice-field rat (Rattus argentiventer) is a rodent that has a high level of productivity. These animals attack rice plants from the vegetative to the generative phase. This research aimed to analyze and to predict the accuracy of the use of owls with mathematical equations model in Kebokura and Lebeng villages, Sumpiuh district. Lotka - Volterra and Competitive Lotka-Volterra models were used to predict the population dynamics of Owl (predator) and rice-field rats (prey), then Runge - Kutta numerical method was applied to analyze the population dynamics of predator and prey at a certain time. The results of the analyses using the Lotka – Volterra, Competitive Lotka - Volterra equations and simulation data, each graph data showed that the rats’ population was able to be maximally suppressed. Based on the analysis result, started with 24 owls and 1,689 rats, the rats’ population could be suppressed to 104 using Lotka – Volterra, and to 176 using the Competitive Lotka – Volterra model. Then in the first and second simulation, started with 50 and 100 owls and 1,689 rats, analysis using Lotka – Volterra and Competitive Lotka – Volterra showed that the rat population could be suppressed to as much as 126, 188 and 145, 189, respectively. Based on the analysis, it could be concluded that use of Serak Jawa owl strategy was able to reduce and stabilize the rat populations. Furthermore, the higher population of owls can prevent the population explosion of rats and can suppress the rat population to a lower number.

Co-Authors Abi Prabowo Ardiansyah -- -- Badi’atun Nihayah Benito Heru Purwanto Benyamin Nahak Chandra Setyawan, Chandra Chusnul Arif Donnie Koes Nugraha Fadila Suryandika Hanggar Ganara Mawanda Hasan Al Banna Hertiyana Nur Annisa Maftukhah, Rizki Milya Aflah Ulul Albab Muchamad Wahyu Trinugroho Muhammad Khoiru Zaki Muhammad Rasyid Ridla Ranomahera Muhammad Wiji Nur Huda Huda Murtiningrum Murtiningrum Ngadisih Ngadisih Nur Aini Iswati Hasana Nuzul Hijri Darlan Prieskarinda Lestari Prima Diarini Riajaya Putu Sudira Reza Kusuma Nurrohman Sahid Susanto SIGIT SUPADMO ARIF Sri Nuryani Hidayah Utami Umi Hapsari Wini Prayogi Abdila

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