As a tropical country with relatively high humidity and temperature, Indonesia is struggling with aflatoxin which frequently contaminates peanut. Aflatoxin is a carcinogenic toxic substance that could cause liver cancer. Due to the increasing concern on food safety, the Indonesian Drugs and Foods Agency specifies the maximum aflatoxin allowed in peanut as much as 20 ppb. However, researches showed that aflatoxin contamination in peanut in Indonesia is much higher than the threshold. The study was carried out to observe the effect of using postharvest machineries and packaging treatments on aflatoxin contamination in peanut. Reduction of postharvest processes was conducted by using series of machineries, e.g. thresher, dryer, and sheller. Packaging treatments, e.g. vacuum plastic pack, hermetic glass chamber, and polyethylene (PE) plastic wrap were carried out during storage at ambient temperature (25-27°C). The results showed that using machineries in postharvest handling produced peanut free from aflatoxin contamination. However, without effective packaging, the aflatoxin level would increase during storage. Hermetic packaging could protect peanut from the mold as indicated by low level of aflatoxin contamination.

Selain itu, JTEP juga telah terdaftar pada Crossref dan telah memiliki Digital Object Identifier (DOI) dan telah terindeks pada ISJD, IPI, Google Scholar dan DOAJ. JTEP terbit tiga kali setahun yaitu bulan April, Agustus dan Desember, dan mulai tahun ini berisi 15 naskah untuk setiap nomornya. Peningkatan jumlah naskah pada setiap nomornya ini dimaksudkan untuk mengurangi masa tunggu dengan tidak menurunkan kualitas naskah yang dipublikasikan. Jurnal berkala ilmiah ini berkiprah dalam pengembangan ilmu keteknikan untuk pertanian tropika dan lingkungan hayati. Jurnal ini diterbitkan dua kali setahun baik dalam edisi cetak maupun edisi online. Penulis makalah tidak dibatasi pada anggota PERTETA tetapi terbuka bagi masyarakat umum. Lingkup makalah, antara lain meliputi teknik sumberdaya lahan dan air, alat dan mesin budidaya pertanian, lingkungan dan bangunan pertanian, energi alternatif dan elektrifikasi, ergonomika dan elektronika pertanian, teknik pengolahan pangan dan hasil pertanian, manajemen dan sistem informasi pertanian. Makalah dikelompokkan dalam invited paper yang menyajikan isu aktual nasional dan internasional, review perkembangan penelitian, atau penerapan ilmu dan teknologi, technical paper hasil penelitian, penerapan, atau diseminasi, serta research methodology berkaitan pengembangan modul, metode, prosedur, program aplikasi, dan lain sebagainya. Penulisan naskah harus mengikuti panduan penulisan seperti tercantum pada website dan naskah dikirim secara elektronik (online submission) melalui http://journal.ipb.ac.id/index.php/jtep.

Agriculture sector contributes highly to the GDP of Indonesia. One of the strategies to increase the agricultural production is by accelerating the application of agricultural mechanization. Due to the limitation of manpower in agriculture, the use of agricultural machinery has increased massively since 2014. The index of mechanization has been leveraged from 0.015 in 1983 to 1.68 in 2018. The use of machinery in agriculture will continue to increase, given the adequacy levels of some machinery are still low. The adequacy level of available machinery was estimated at about 49.2% for 2-wheel tractors, 11.9% for 4-wheel tractors, 39.7% for water pumps. This paper estimates the energy use in agriculture by expanding the previous studies of the mechanization index and the adequacy level of agricultural machinery in Indonesia. Currently, the energy in agriculture is under the category of ‘Other Sector’ based on National Statistical Energy Report. Employing available data, this study estimates that the consumption of diesel oil (GasoilCN48) by agricultural machinery is approximately 1.5 million kL or about 82% of particular fuel consumption at ‘Other Sector’ of 2018 Report. Simulating to exponentially increase adequacy level of on-farm machinery (mechanization index up to 4.6 by 2028), the energy consumption of machinery may also grow equal to 3.5 million kL/year. The contribution of energy consumption from agricultural sector can be targeted to intensify the renewable energy application. The renewable energy has been disseminated progressively in agriculture sector. Those are biomass as heating fuel in grain dryers, solar energy to power water pumps, dual fuel (LPG/biogas & gasoline) engines and biodiesel (B30 to B100) for fueling the agricultural machinery with diesel engine. The B100 can be efficiently and effectively used as an alternate fuel for small diesel engines.

Challenge in the expansion of maize and soybean planting areas is the limited agricultural labor from land processing activities, planting to post-harvest. Considering that the corn and soybean cultivation systems are still traditionally done using both human and livestock power so that the productivity and work efficiency produced is still low. This affects the area of land that can be cultivated, land productivity and the production of corn produced. To support the program to expand the planting area and increase the crop index to increase corn production, it is necessary to support the use of appropriate mechanization technology and under site-specific conditions. Therefore it is necessary to introduce agricultural machinery to support the corn cultivation system to increase productivity, work efficiency, increase yields and improve the quality of results. In this activity the implementation and development of mechanization technology for corn and soybean cultivation is appropriate and by site-specific conditions at the demonstration plot scale in the corn and soybean production centers by taking into account the technical, economic, and socio-economic conditions of the local community. Indonesian Center for Agricultural Engineering Research and Development has developed a rotary and planting machine that can do soil treatment and planting seeds at once. This machine is equipped with a solid fertilizer application. But in practice, farmers rarely use liquid fertilizer for corn/soybean cultivation. Test results of tillage and planting of corn seeds: Work depth of 12.1 cm; spacing in rows 38.5 cm; spacing in rows of 70 cm; number of seeds per fall 2.2 items; percentage of empty holes 4.1%; work width is an average of 162.88 cm; average working speed of 2.31 km / h; average work capacity of 4.08 hours / ha; fuel consumption of 20.32 lt / ha

Labor requirements in peanut cultivation are high, especially weeding, harvesting, and postharvest (threshing). Labor requirements for peanut harvesting are quite high, with about 41 labor work day (LWD) per ha required for hand-pulling and threshing the pods (Antarno 1992). With a yield of 0.8 tha-1 of groundnut seed, this accounts for 41% of the total labor requirement for postharvest handling (107 LWD). PT Garudafood Putra Putri Jaya Tbk, whose main food products are based on peanuts, such as Garuda Peanut, has started using farm machinery, from tillage to planting, crop care, and harvesting. In order to improve the quality of the peanut harvester's work, improvements, and refinements; in this paper, the results of the harvesting machine performance test and research results that can be used to improve the performance of the harvesting machine are presented. AbstrakKebutuhan tenaga kerja pada kegiatan usaha tani kacang memerlukan tenaga kerja yang besar, khususnya pada kegiatan perawatan tanaman (penyiangan), panen dan pascapanen (perontokan).  Tenaga kerja yang diperlukan untuk panen kacang tanah cukup tinggi, sekitar 41 HOK per ha, yakni untuk kegiatan mencabut dan merontok polong dengan tangan (Antarno 1992). Jumlah tersebut mencapai 41% dari total kebutuhan tenaga kerja untuk penanganan pascapanen (107 HOK) pada tingkat hasil 0,8 tha-1 kacang tanah biji.  PT Garuda food Putra Putri Jaya Tbk., dimana produk makanan utama yang dihasilkan adalah berbasis kacang tanah, seperti salah satu produknya yang dikenal sebagai Kacang Garuda (Garuda Peanut), mulai menggunakan mesin pertanian, dari olah tanah, tanam, perawatan tanaman serta panen.  Yang masih belum dapat bekerja dengan optimal, khususnya untuk lahan di Subang adalah mesin panen.  Untuk meningkatkan kualitas hasil kerja dari mesin pemanen kacang tanah maka perlu dilakukan perbaikan dan penyempurnaan, pada makalah ini disampaikan hasil uji kinerja mesin pemanen serta hasil-hasil penelitian yang dapat digunakan untuk perbaikan kinerja mesin pemanen