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All Journal Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Iqbal Iqbal
Universitas Hasanuddin
Agriculture, Biological Sciences & Forestry Engineering

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UJI UNJUK KERJA ALAT DAN MESIN PERONTOK MULTIGUNA (Multipurpose Power Thresher Performance Test) Iqbal Iqbal; Suhardi Suhardi; Sri Ayu Nirisnawati
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 6 No 1 (2018): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (500.367 KB) | DOI: 10.29303/jrpb.v6i1.73

Abstract

Loss of agricultural products occurs in post-harvest handling process. The threshing process is part of the rice post-harvest that can be done with various techniques and various types of rice thresher machine. Multipurpose thresher is one type of thresher that can thresh the grains such as rice and soybeans. The aim of Performance efficiency test is to determine the performance efficiency of the thresher. The parameters measured were threshing capacity, threshing efficiency, and thresher quality. Testing is done by using the engine speed of 2500 rpm and 3000 rpm, with the tested varieties of rice varieties Ciherang and Bestari. Test results show that the efficiency of Ciherang varieties cutting is better if using the speed of rotation 2500 rpm engine. If using a speed of 3000 rpm occurs losses results. As for Bestari varieties more efficient if using a speed of 3000 rpm. The higher the speed of rotation of the machine then the level of grain damage will also increase Keywords: rice, threshing, varieties, multipurpose thresher ABSTRAK Kehilangan hasil pertanian banyak terjadi pada proses penanganan pascapanen. Proses perontokan merupakan bagian dari pascapanen padi yang dapat dilakukan dengan berbagai teknik dan berbagai jenis mesin perontok padi. Alat perontok multiguna termasuk salah satu jenis perontok yang dapat merontokkan biji-bijian seperti padi dan kedelai. Pengujian efisiensi kinerja alat perontok multiguna bertujuan untuk mengetahui efisiensi kinerja alat perontok. Parameter yang diukur adalah kapasitas perontokan, efisiensi perontokan, dan kualitas perontokan. Pengujian tersebut dilakukan dengan menggunakan kecepatan putaran mesin 2500 rpm dan 3000 rpm, dengan varietas padi yang diuji yaitu varietas Ciherang dan Bestari. Hasil pengujian menunjukkan bahwa efisiensi perontokan varietas Ciherang lebih baik jika menggunakan kecepatan putaran mesin 2500 rpm. Jika menggunakan kecepatan putaran mesin 3000 rpm terjadi susut hasil. Sedangkan untuk varietas Bestari lebih efisien jika menggunakan kecepatan putaran mesin 3000 rpm. Semakin tinggi kecepatan putaran mesin maka tingkat kerusakan gabah juga akan semakin meningkat. Kata kunci : padi, perontokan, varietas, rpm, perontok multiguna
Effect of Canopy Cover Level of Cacao and Shade Trees on Splash Erosion On Cacao Land Suhardi Suhardi; Ahmad Munir; Muhammad Tahir Sapsal; Sitti Nur Faridah; Iqbal Iqbal; Syahrial Sabaniah
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.82-91

Abstract

In smallholder cacao plantations, the protective crops used varied, so they have different effects on splash erosion. The management of land cover with a canopy of cacao and shade trees on cacao fields, aims to control of splash erosion. This study was conducted by directly measuring the magnitude of splash erosion under several levels of canopy cover. The magnitude of splash erosion was determined by measuring the depth of the eroded soil using the bottle cap method. The measurements were carried out every rain event (46 rain events with rainfall varied from 0.28 to 97.04 mm). The canopy cover level was determined by analyzing the images taken using a digital camera. The images were processed by Matlab software with closure approach. The data were analyzed by regression analysis to determine the relationship between canopy cover level and the depth of splash erosion that occurred. The results showed that the level of canopy cover influence the depth of splash erosion. In addition, this study indicates that the level of splash erosion not only influenced by the level of closure and rainfall, but also strongly influenced by the size of the leaf cover. Keywords: Cacao plantation, Canopy cover, Regression analysis, Splash erosion.
Co-Authors Ahmad Munir Muhammad Tahir Sapsal Sitti Nur Faridah Sri Ayu Nirisnawati Suhardi Suhardi Syahrial Sabaniah