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INDONESIA
Jurnal Agrotek UMMat
Published by Universitas Muhammadiyah Mataram
ISSN : 23562234     EISSN : 26146541     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal AGROTEK UMMat merupakan salah satu jurnal yang dikelola oleh Fakultas Pertanian UM Mataram yang membawahi dua program studi yakni prodi Teknologi Hasil Pertanian(THP) dan Teknologi Pertanian , Jurnal ini sudah memiliki ISSN 2356-2234 (print) , ISSN 2614-6541 (online) , untuk jurnal online terbit pertama kali di bulan Februari 2018. Jurnal AGROTEK terbit dua kali setahun yakni bulan Februari dan Agustus. Redaksi menerima artikel baik dari kalangan praktisi maupun akademisi terkait bidang pertanian berupa hasil penelitian, studi kepustakaan maupun tulisan ilmiah terkait rekayasa pertanian,mesin-mesin pertanian,dll.
Arjuna Subject : -
Articles 5 Documents
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Search results for , issue "Vol 12, No 2 (2025): Jurnal Agrotek Ummat" : 5 Documents clear
Studi kompetisi antara gulma teki dengan tanaman kacang tanah di lahan kering Ngawit, I Ketut; Azhari, Anjar Pranggawan; Jihadi, Amrul
Jurnal Agrotek Ummat Vol 12, No 2 (2025): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i2.30155

Abstract

The research aims to determine the competition index and the maximum number of sedge populations that can be tolerated by peanut. In this regard, research has been carried out using additive, substitution and dynamic experimental models. The research results showed that the competition index of sedge when peanuts were 60 DAP was 0.0659 so that sedge were able to reduce peanut yields by 6.590%. Meanwhile, at 90 DAP the competition index is 0.0733, so that sedge have the potential to reduce peanut yields by 7.330%. The peanut yield loss calculated based on the weighted dominance variable is in accordance with the predictions of the sedge competition index, namely the yield loss of peanuts aged 60 DAP and 90 DAP is 66.00% and 72.60%. Meanwhile, based on the prediction of the sedge competition index, peanut yield losses were 65.90% and 73.30%. The growth of peanuts aged 60 DAP and 90 DAP began to be suppressed by the presence of 5.43 and 5.24 clumps per m2 of sedge, while for peanuts to suppress sedge growth, a population of 7.58 and 5.30 clumps per m2 was required. The presence of sedge that can be tolerated by peanuts aged 60 HST ≤ 5.43 clumps per m2 and aged 90 DAP ≤ 5.24 clumps per m2. The relative space occupation (RSO) of sedge when peanuts are 60 DAP is higher than the RSO of peanuts, whereas when peanuts are 90 DAP, the RSO of sedge is lower compared to the RSO of peanuts, namely the population density of peanuts and sedges 5-35 clumps per m2, the RSO value of peanuts is 57.00 – 94.00%, while the RSO value of nut weeds is 47.40 – 92.00%, with a comparative value of 9.60 – 2.00%
Respon Pertumbuhan dan Hasil Tanaman Cabai Rawit (Capsicum frutescens L.) terhadap Pemberian Pupuk Silika pada Kondisi Lengas Tanah yang Berbeda Wideratih, Anggun Angling; Nurrachman, Nurrachman; Jufri, Afifah Farida
Jurnal Agrotek Ummat Vol 12, No 2 (2025): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i2.30152

Abstract

This research aims to examine the effect of Silica fertilizer on cayenne pepper (Capsicum frutescens) under water stress conditions on the growth and yield of chili plants. The study was designed with a 2-factor treatment arranged in a completely randomized design (CRD). The treatments tested were the effects of various concentration of Silica fertilizer (0 ml/l, 2 ml/l, and 4 ml/l) under different soil moisture conditions (80%, 100%, and 120% field capacity). The parameters observed included plant height, canopy width, stem diameter, number of productive branches, number of flowers, number of fruits per plant, and fruit weight per plant. The results showed that the use of Silica fertilizer at different concentration under water stress conditions had no significant effect on growth parameters such as plant height, canopy width, and stem diameter. However, the application of 4 ml/l Silica fertilizer resulted in better outcomes compared to plants with no Silica or 2 ml/l Silica in terms of yield parameters, such as fruit set percentage, number of harvested fruits, and fruit weight. The best interaction between Silica fertilizer treatment and water stress conditions was found in the S2KL1 treatment (4 ml/l Silica, 80% field capacity) and S2KL2 treatment (4 ml/l Silica, 100% field capacity).
Pengaruh variasi jumlah dan umur panen nira aren (Arenga pinnata) terhadap kualitas cake sebagai bahan pengembang Alamsyah, Ahmad; Apriani, Tindih; Sulastri, Yeni; Perdhana, Firman Fajar
Jurnal Agrotek Ummat Vol 12, No 2 (2025): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i2.30081

Abstract

The leavening agent in making cakes serves to improve the texture, taste, and increase the volume of the dough. The Aren sap is known to have been used in making several types of bread can be an alternative leavening agent in making cakes. The aimed of this research was to determine the effect of variation in amount and harvesting time of aren sap (Arenga pinnata) on cake quality as a leavening agent. The method used in this research was the Factorial Randomized Block Design using two factors of aren sap which were variation in amount (R1: 100 mL, R2: 200 mL) and harvesting time (T1: 1 hour, T2: 2 hours, T3: 3 hours) with 6 combination treatments and 3 trials. Parameters orserved were pH value, leavening power, reduction sugar, and organoleptic parameter (taste, colour, aroma, and texture. Data were analyzed with analysis of variance at 5% significance level and significant difference data were tested further by real difference test with Honestly Significant Difference (HSD) test. The result showed that addition aren sap treatment give significant effect on pH value, leavening power, reduction sugar, and organoleptic parameters. The best treatment was aren sap addition of 100 mL and 1 hour harvesting time with pH value 5,65, swelling power 67,00%, reduction sugar 23,61% and organoleptic parameter of sweet taste, yellow colour, aren sap aroma, and soft texture also hedonic result of the cake that was rate as liked by panelists.
Pengaruh aktivasi temperatur dan waktu terhadap karakteristik arang aktif dari tandan aren (Arenga longipes mogea) Siregar, Naudi Hayati; Nabila, Fani Putri; Hasibuan, Ulfa Zahara; Lubis, Yunida Syafriani; Hakim, Luthfi
Jurnal Agrotek Ummat Vol 12, No 2 (2025): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i2.30107

Abstract

Activated charcoal is a porous material with a high pore volume. Sugar palm bunches waste has the potential to be a raw material for the activated charcoal production as an absorbent. This study aims to evaluate the effect of temperature and time activation on activated charcoal from sugar palm bunches. Pyrolysis of sugar palm bunches was conducted at 350-400℃ for 6 hours. The pyrolyzed charcoal was activated using physical method with temperature (575℃ and 625℃) and time (30 and 50 minutes). The characteristics of activated charcoal were evaluated in terms of yield, proximate test, and iodine number. The results from the temperature and time activation showed that the yield of activated charcoal ranged from 79.56 - 82.17%; moisture content of 1.55-8.51%; ash content of 6.63-9.96%; volatile matter of 0.86-1.40%; fixed carbon 83.81-89.59%; as well as iodine number of 841.97-944.44 mg/g, respectively.  Statistically, showed that the temperature treatment had a significant effect on all parameters, while the time treatment and the interaction of the both treatments had no significant effect on the yield value, ash content, and iodine number. Based on the quality standards of activated charcoal, all proximate test values and iodine number produced are included in the quality standards of SNI 06-3730-1995.
Aplikasi edible coating pati bekatul terhadap mutu buah tomat (Lycopersicum esculentum Mill.) Nadhifah, Ashma; Sholahuddin, Sholahuddin; Saputri, Nur Endah
Jurnal Agrotek Ummat Vol 12, No 2 (2025): Jurnal Agrotek Ummat
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v12i2.29649

Abstract

Tomatoes are classified as climacteric fruit that are susceptible to damaged after harvest. The use of edible coatings is expected to be a damage reduce alternative by forming a thin layer on the surface of the product that acts as a barrier to water loss and gas exchange to slow the damage process. This research aims to determine the best concentration of rice bran starch and storage duration that can maintain the quality of tomatoes as room temperature. The research design used was a factorial Randomized Group Design with concentrations of rice bran starch were 0% (control), 1%, 2%, 3%, 4%, and 5%, and storage durations of day-0, 4, 6, and 10. The results showed that a concentration of 5% rice bran starch was the most effective in maintain weight weight loss (5.00%), total soluble solids (5.16 ̊ brix), total acids (0.32%), vitamin C content (29.33 mg/100g, and red color (15.35) in tomatoes for 10 days at room temperature.

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