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Karyanik, Karyanik
Prodi Teknik Pertanian, Fakultas Pertanian, Universitas Muhammadiyah Mataram
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Journal : Jurnal Agrotek UMMat

 1 
KARAKTERISTIK FISIK KOMPOS TABLET SLOW RELEASE BERBAHAN DASAR BIOSLURY KOTORAN SAPI Erni Romansyah; Karyanik Karyanik; Muhammad Fitrah; Mohammad Saharudin
Jurnal Agrotek Ummat Vol 7, No 2 (2020): October 2020
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v7i2.2948

Abstract

The development Slow Release Compost Tablet can be used as a solution for the management of cow dung bioslurry by farmers. Bioslurry is a reject product from processing waste into biogas. The purpose of this study was to determine the physical characteristics of tablet compost made from cow dung Bio-slurry. The research design used a completely randomized design (CRD) with two factors, namely the composition of the addition of hydrogel  and silica from geothermal waste from the eruption of Mount Rinjani with five levels of treatment, namely; T1 (30gr hydrogel : 50gr silica powder); T2 (60gr hydrogel : 40gr silica powder); T3 (90gr hydrogel : 30gr silica powder); T4 (120gr hydrogel : 20gr silica powder); T5 (150gr hydrogel : 10gr silica powder). The results showed that the dimensions, weight, and hardness of tablet compost were not significantly different. The treatment without the addition of hydrogel  has the highest hardness value. The higher the hydrogel  addition, the lower the tablet compost hardness value. 
PEMANFAATAN LIMBAH BAMBU SEBAGAI BAHAN FILTRASI UNTUK MENGURANGI KANDUNGAN NITROGEN TOTAL DALAM AIR BUANGAN LIMBAH TAHU Muliatiningsih Muliatiningsih; Erni Romansyah; Karyanik Karyanik
Jurnal Agrotek Ummat Vol 5, No 2 (2018): August
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (373.426 KB) | DOI: 10.31764/agrotek.v5i2.709

Abstract

Penelitian ini bertujuan untuk mengurangi kandungan nitrogen yang terbuang ke badan air  sehingga dapat mengurangi pencemaran yang terjadi. Metode yang digunakan dalam penelitian adalah metode eksperimental dengan menggunakan Rancangan Acak Lengkap (RAL), terdiri atas 3 perlakuan yaitu P1 (ketebalan arang bambu 15 cm dan daun bambu 5 cm), P2 (ketebalan arang bambu 10 cm dan daun bambu 10 cm), P3 (ketebalan arang bambu 5 cm dan daun bambu 15 cm). Masing-Masing perlakuan diulang 3 kali sehingga diperoleh 9 unit percobaan. Data hasil pengamatan dianalisis dengan menggunakan Analisis keragaman pada taraf 5% dan diuji lanjut dengan uji BNJ pada taraf yang sama. Hasil penelitian menunjukkan bahnwa penggunaan arang dan daun bambu memberikan perbedaan yang nyata terhadap penurunan kandungan nitrogen total di dalam limbah cair tahu hasil fitrasi. Kandungan Nitrogen Total terendah terdapat pada perlakuan P2, yaitu 0,052% dengan persentase penurunan sebesar 38,13% dari kadungan nitrogen total limbah cair sebelum difiltrasi.
RANCANG BANGUN DAN UJI KINERJA PENERAPAN TEKNIK IRIGASI TETES PADA LAHAN KERING Muanah Muanah; Karyanik Karyanik; Erni Romansyah
Jurnal Agrotek Ummat Vol 7, No 2 (2020): October 2020
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v7i2.3128

Abstract

The purpose of this study was to design and test the performance of drip irrigation techniques on dry land. This research method used a completely randomized design with 3 treatments, namely the faucet slope of 150 , 450, and 900 with 4 replications. In order to obtain 12 experimental sample units. Furthermore, the design results were carried out by testing the droplet discharge, uniformity coefficient, wetted soil area, and the amount of water needed during the vegetative growth of tomato plants. The test results based on the discharge value and the uniformity of drops show that the drip irrigation technique design is very good for application on dry land. Based on the discharge value, the wetted area is obtained with a wetting width of 25 cm and a depth of up to 35 cm. So that during the vegetative growth of tomato plants in treatment 150  requires 10200 ml / day of water, 12200 ml / day in treatment 450 , and 30800 ml / day in treatment 900 . Seeing the effect on tomato plant growth, it can be concluded that 150  is the best treatment to apply. on dry land.
EFEK VARIASI BEBAN PENDINGINAN TERHADAP COEFFICIENT OF PERFORMANCE (COP) MESIN PENDINGIN PADA BOX COOLER ALAT DISTILASI Ahmad Akromul Huda; Karyanik Karyanik; Earlyna Sinthia Dewi
Jurnal Agrotek Ummat Vol 8, No 2 (2021): October 2021
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v8i2.5239

Abstract

Refrigerator has been widely used by the community and can be found in almost every shop, office building and household. The application of refrigeration machines can also be developed in many other equipment and machines, one of which is in the distillation apparatus. Distillation is a method of separating two substances. A distillation machine using a cooling machine in the condenser will be very helpful, especially for distillation. This study aims to determine the effect of cooling on the performance of the cooling machine. Cooling engine performance coefficient of achievement (COP). Load variations are carried out by adjusting the boiler temperature using a thermostat. In this study, data on the temperature and pressure of the refrigerant flowing in the refrigeration system were taken at four points, namely before entering the compressor, before entering the capillary tube and before entering the evaporator . In this study also used four variations of the cooling load given to the box cooler of 110 °C, 125 °C, 140 °C, and 155 °C. Then the temperature and pressure data is processed to get the COP value every time from all variations of the cooling load. The results showed that the increaseing in the cooling load, the smaller the COP value of the cooling machine. In its effect on the length of time the COP value of each variation of the cooling load increases. The highest COP value in this study was obtained at a cooling load temperature of 110 ºC of 10.69 and the lowest was obtained at a temperature of 155 ºC of 9.38.
Uji Salinitas untuk Pengujian Kejadian Intrusi Air Laut (Studi Kasus Gili Trawangan) Fathoni, Ahmad; Romansyah, Erni; Karyanik, Karyanik; Suhairin, Suhairin; Wahyuni, Ida; Marianah, Marianah; Molo, Hasanuddin
Jurnal Agrotek Ummat Vol 12, No 1 (2025): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i1.28125

Abstract

Seawater intrusion in Gili Trawangan, North Lombok Regency, can be identified through groundwater salinity testing. This study aims to evaluate changes in groundwater salinity values as an indicator of seawater intrusion in the region. The test was conducted by taking well water samples and analyzing them at the Lombok Island Health Laboratory. The results showed that the groundwater salinity value before the water withdrawal project by PT Berkat Air Laut in 2012 was 5.00‰. During the groundwater withdrawal project period (2013-2022), the salinity value increased to 5.71‰, and post-project, the salinity value reached 6.07‰. These findings indicate that groundwater in Gili Trawangan was classified as brackish water from the start, with increasing salinity values indicating seawater intrusion. However, this increase is still in the low category, at 0.71‰ during the project and 0.36‰ post-project, so it is not classified as significant water pollution.
Effect of adhesive concentration and particle size on the quality of hazelnut shell briquettes with glutinous rice adhesive Huda, Ahmad Akromul; Karyanik, Karyanik; Muliatiningsih, Muliatiningsih; Fathoni, Ahmad; Hakim, Abdul
Jurnal Agrotek Ummat Vol 10, No 4 (2023): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v10i4.19663

Abstract

One alternative energy that can be used as a substitute for fuel oil and gas is biomass energy such as briquettes. This study aims to determine the amount of heat, moisture content and ash content of briquettes made using hazelnut shells and glutinous rice adhesives that vary in adhesive concentration and particle size. This study used a complete randomised design (CRD) with variations in glutinous rice concentration of 20%, 30%, and 40% while the particle sizes used were 12 mesh and 24 mesh. The results showed that the adhesive concentration did not significantly affect the test parameters while the particle size affected the moisture content, ash content and calorific value of the briquettes. The highest calorific value was obtained by using 24 mesh particle size with 20% adhesive concentration with a calorific value of 5321 cal/g while the 12 mesh particle size produced the highest calorific value of 4704 cal/g at 20% adhesive concentration. The lowest moisture content value was obtained by using 24 mesh particle size with 20% adhesive concentration with a moisture content value of 6.9% while the 12 mesh particle size produced the lowest moisture content value at 20% adhesive concentration with a value of 7.4%. The lowest ash content value was obtained by using 24 mesh particle size with 30% adhesive concentration with an ash content value of 4.99% while the 12 mesh particle size produced an ash content value of 5.82%. The use of 12 mesh particle size is not in accordance with SNI standards because the heating value produced is still below 5000 cal/gr while the use of 24 mesh particle size is in accordance with SNI standards for all test parameters.
Co-Authors Abdul Faruq Abdul Hakim Abdul Hakim Abdullah, Sirajuddin H. Adi Ardiansyah Adi Gunawan, Adi Ahmad Fathoni Anggarwati, Nini Asmawati Asmawati Aulia, Yuliatin Earlyna Sinthia Dewi Erni Romansyah Farhatunnisa Farhatunnisa Faruq, Abdul Ferdiansyah, Imam Firzahl Arzhi Jiwantara Huda, Ahmad Akromul Ida Wahyuni Ida Wahyuni Indra Purnawirawan Jinwantara, Firzhal Arzhi Malik, Nina Maliq, Nina Marianah, Marianah Miftahurrahman, Miftahurrahman Mohammad Saharudin Molo, Hasanuddin Muanah Muanah Muanah Muanah, Muanah Muhammad Faisal Muhammad Fitrah Muliatiningsih Muliatiningsih Nabila Agustina Nasmi Herlina Sari Nazaruddin Nazaruddin Nur Annisa Istiqamah Nurhayati, Nurhayati Pacitra, Silda Purnawirawan, Indra Sari, Desy Ambar Sirajuddin H Abdullah Sirajuddin H. Abdullah, Sirajuddin Sudiyanto, I wayan Suhairin, Suhairin Suwati Suwati Suwati, Suwati Syirril Ihromi, Syirril Teguh Permadi Wiryono, Budy Zuliawan, Ikbal