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PERTUMBUHAN BIBIT KARET STUM MATA TIDUR PADA MEDIA GAMBUT DENGAN INTERVAL PENYIRAMAN YANG BERBEDA Sopiana, Sopiana; Ratnawati Hermanto, Sarwendah; Aprianingrum, Eni
Journal of Agro Plantation (JAP) Vol 1 No 1 (2022)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v1i1.1225

Rubber is a latex-producing plant that has economic value in increasing people's income and welfare. The purpose of this study was to study the growth of sleeping eye stumps on peat media with different watering intervals. This research was conducted in the experimental garden of the Ketapang State Polytechnic, Delta Pawan District, Ketapang Regency, West Kalimantan from April to June. This study used a single factor Randomized Block Design (RAK) with 4 treatments and was repeated 5 times. K0: watering interval once a day, K1: watering interval every 2 days, K2: watering interval every 3 days, K3: watering interval every 4 days. The results showed that the once-a-day watering interval was optimum for the growth of rubber bed stumps on peat media.

PEMBERIAN KOMPOS TANDAN KOSONG KELAPA SAWIT SISA JAMUR UNTUK MENINGKATKAN PERTUMBUHAN BIBIT TEBU (Saccharum officinarum L.) DI TANAH GAMBUT Sawaludin , Sawaludin; Nurhayati, Nurhayati; Ratnawati Hermanto, Sarwendah; Rosmalinda, Rosmalinda; Setiawan, Beny
Journal of Agro Plantation (JAP) Vol 1 No 1 (2022)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v1i1.1226

Sugarcane (Saccharum officinarum L.) is an important commodity as the main ingredient for sugar production. Good sugarcane growth will produce high sugar yields so that sugar production also increases. Seed maintenance is one of the important stages in preparing good plants, especially fertilization. Oil palm empty fruit bunches residual mushroom (TKSJ) are one of the solid wastes produced from processing palm oil mills and can be used as an organic fertilizer. The purpose of this study was to determine the effects of giving TKSJ on the growth of sugarcane seedlings in peat soil media. This study used a completely randomized design (CRD) consisting of 5 treatments and 5 replications, namely without TKSJ compost (K0); TKSJ 25% (K1); TKSJ 50% (K2); TKSJ 75% (K3) and TKSJ 100% (K4). Observation parameters consisted of leaf length (cm) and root wet weight (g). The data were analyzed by Analysis of Variance (ANOVA). If it has a significant effect, then it is continued with Duncan's Multiple Range Test (DMRT) at a level of 5%. The results showed that composting of TKSJ could increase leaf length and root wet weight of sugarcane. Treatment of 75%/polybag of TKSJ compost was the best treatment to increase the growth of sugarcane seedlings in peat soil media.

PENGARUH PEMBERIAN PUPUK KOTORAN WALET TERHADAP PERTUMBUHAN BIBIT KOPI LIBERIKA (Coffea liberica) DI MEDIA GAMBUT Sopiana, Sopiana; Ratnawati Hermanto, Sarwendah; Adiat Nur, Elan
Journal of Agro Plantation (JAP) Vol 1 No 2 (2022)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v1i2.1242

The importance of coffee plants in the Indonesian economy makes coffee production increase. Swallow dung is an organic fertilizer which contains C-Organic 50.46%, N/total 11.24%, and C/N Ratio 4.49 with a pH of 7.97%, Phosphorus 1.59%, Potassium 2.17%, Calcium 0.30%, Magnesium 0.01%. This study aims to determine the effect of fertilizer application on the growth of Liberika coffee seedlings on peat media. The study used a completely randomized design (CRD) consisting of 5 treatments and 5 replications, so that there were 25 experimental units, each experimental unit consisting of 3 samples so that the total number of samples was 75 samples. The treatments were W0: 0 g/polybag, W1: 40 g/ polybag, W2: 60 g/polybag, W3: 80 g/polybag, W4: 100 g/polybag. The dry parameters observed were plant height, stem diameter, leaf length, leaf width, root length, and plant weight. The results showed that the application of swallow fertilizer had a significant effect on the parameters of plant height, stem diameter, leaf length, leaf width, root length, and dry weight of liberica coffee plants. The dose of 100 g/polybag of swallow manure was the best dose that affected the vegetative growth of the coffee liberika plant.

PENGARUH PUPUK ORGANIK CAIR (POC) DAUN LAMTORO TERHADAP PERTUMBUHAN BIBIT KARET KLON PB 260 ASAL STUM MATA TIDUR wahyuni, erna; Sopiana, Sopiana; Ratnawati Hermanto, Sarwendah
Journal of Agro Plantation (JAP) Vol 2 No 02 (2023)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v2i02.1374

Rubber is a plant that has a major contribution in increasing Indonesia's foreign exchange. The purpose of this study was to determine the effect of liquid organic fertilizer from lamtoro leaves on the growth of rubber seedlings from sleeping eye stumps. This research was conducted in Tempurukan Village, Muara Pawan District, Ketapang Regency, West Kalimantan from September to December 2021. This study used a non-factorial Completely Randomized Design (CRD) with 4 treatments and was repeated 5 times. A1: POC for lamtoro leaves 250 ml/polybag, A2: POC for lamtoro leaves 300 ml/polybag, A3: POC for lamtoro leaves 350 ml/polybag, A4: POC for leaves of lamtoro 400 ml/polybag. The results showed that the POC of lamtoro leaves 250 ml/polybag was optimal for the growth of sleeping eye stumps.

APLIKASI BIOHERBISIDA EKSTRAK SERASAH DAUN BAMBU (Dendrocalamus sasper) UNTUK MENGHAMBAT PERTUMBUHAN GULMA SEMBUNG RAMBAT (Mikania micrantha) Novitasari, Padia; Jatsiyah, Venti; Ratnawati Hermanto, Sarwendah; Kurniawan, Tardi
Journal of Agro Plantation (JAP) Vol 3 No 1 (2024)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v3i1.1521

Sembung rambat weed (Mikania micrantha) is a weed that grows in immature oil palm plantations. One of the raw materials that can be used as a bioherbicide is bamboo leaf litter extract (Dendrocalamus sasper L.) because it contains coumarin compounds, flavonoids, anthraquinones, polysaccharides, phenolics and amino acids. This study aims to determine whether the administration of bamboo leaf litter extract can inhibit the growth of sembung rambat weeds and determine the concentration of bamboo leaf litter extract that is effective in inhibiting the growth of sembung rambat weeds. This study used a non-factorial Completely Randomized Design (CRD), consisting of 6 levels of treatment concentration K0 = Control, K1 = 5%, K2 = 10%, K3 = 15%, K4 = 25% and K5 = 35 with 5 replications. so that 30 experimental units were obtained where each experimental unit sample consisted of 3 samples so that the total number was 90 samples of weeds on the growth of sembung rambat weeds with the observation parameters of plant height, number of leaves, day of death, wet weight, dry bering and root length. The results of variance showed that the application of bamboo leaf litter extract had a significant effect on plant height, number of leaves, day of death, wet weight, dry weight and root length. The concentration of bamboo leaf litter extract that was effective in inhibiting the growth of sembung rambat weeds was a 25% concentration of bamboo leaf litter extract.

Persepsi Mahasiswa Prodi Agroindustri terhadap Praktikum dengan Video Demonstrasi pada Mata Kuliah Analisa Pangan Ratnawati Hermanto, Sarwendah; Syawaldi, Syawaldi
Jurnal Inovasi Pendidikan Sains dan Terapan (INTERN ) Vol 3 No 2 (2024)
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/intern.v3i2.1688

The Covid-19 pandemic has made many changes, especially in the field of education. Learning, which was originally carried out face-to-face, is required to switch online for both theory and practicum courses. Students' perception of online lectures can help students improve their understanding and knowledge of the courses they take, in this case food analysis courses. This study aims to find out students' perception of practicum with demonstration videos in food analysis courses. This research is a qualitative descriptive research. The sample was taken using a simple random sampling technique totaling 50 students. Research data was obtained using questionnaires and in-depth interviews. Student perception can be seen from three aspects, namely the teaching and learning process, lecturers' abilities and facilities and infrastructure that are assessed using the Likert scale. The data analysis techniques used in this study are qualitative analysis, namely data collection, data reduction, data presentation, and conclusion drawn. Overall, student perception in all aspects has an average of 60.92% consisting of 59.6% of teaching and learning activities, 68.7% of lecturer competence and 54.4% of facilities and infrastructure, so that students' perception of practicum with video demonstrations in food analysis courses is positive

PERTUMBUHAN BIBIT BATANG BAWAH KARET DENGAN PEMBERIAN KOMPOS AMPAS TAHU DI MEDIA TAILING ratih, ratih; Sopiana, Sopiana; Ratnawati Hermanto, Sarwendah
Journal of Agro Plantation (JAP) Vol 3 No 2 (2024)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v3i2.1680

Tailings soil has limitations for being used as cultivation land, including the lack of organic material so that its texture does not easily hold water, nutrients and low pH. One thing that can be used as organic material is tofu dregs. This research aims to determine the effect of providing tofu dregs compost on the growth of rubber rootstock seedlings in tailings media. The research used a non-factorial Completely Randomized Design (CRD) with 5 treatment levels and 4 replications so that in total there were 20 experimental units and each experimental unit consisted of 3 samples so that the total number of seeds was 60 plants. Observation parameters included plant height (cm), stem diameter (mm), number of umbrellas (strands), primary root length (cm), root volume (mL), and analysis of tofu dregs compost and tailings soil. The data obtained were analyzed statistically using Analysis of Variance (ANOVA). If the treatment has a real effect, then a further Duncan Multiple Range Test (DMRT) 5% test is carried out. The results of variance analysis showed that the treatment of providing tofu dregs compost had a real influence on the variables of plant height, stem diameter, number of umbrellas, primary root length and root volume. Treatment with a dose of tofu dregs compost of 700 g/polybag is the best dose in increasing the growth of rubber rootstock seedlings.

Pelatihan Pengolahan Limbah Pertanian Dan Peternakan Menjadi Pupuk Organik Di Desa Kalinilam Kabupaten Ketapang Ratnawati Hermanto, Sarwendah; Setiawan, Beny; Jatsiyah, Venti; Susanto, Anto; Nurhayati, Nurhayati; Rosmalinda, Rosmalinda; Sopiana, Sopiana; Fitry Ramanda, Rika; Syawaldi, Syawaldi; Kurniawan, Tardi
Literasi Jurnal Pengabdian Masyarakat dan Inovasi Vol 5 No 1 (2025)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang Jl. Rangga Sentap, Dalong Sukaharja, Ketapang 78813. Telp. (0534) 3030686 Kalimantan Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/literasi.v5i1.1700

Most of the people in Delta Pawan District are farmers and breeders. The number of agricultural business households in Delta Pawan District is 354 cultivating food crops, 640 cultivating horticultural crops and 786 breeders. This shows that the availability of raw materials for making organic fertilizers is very abundant. The problem that has occurred until now is that the waste from agricultural and livestock products has not been utilized optimally by the community due to limited tools and knowledge in processing it into organic fertilizer. The purpose of this activity is to provide motivation and knowledge to the residents of Kalinilam village to utilize agricultural and livestock waste into organic fertilizer which is abundantly available. The method used to overcome these problems is to provide training to Kalinilam villagers on how to process agricultural and livestock waste into organic fertilizer using a compost chopper. This service activity will be carried out in July 2024 with 2 stages, namely socialization and counseling as well as training and assistance in making compost. The result of the service of this training program is an increase in the knowledge of villagers about processing agricultural and livestock waste into organic fertilizer so that it can increase the utilization of waste into more useful products

PENGARUH KOMPOS LIMBAH SAYURAN TERHADAP BIBIT KARET (Hevea brasiliensis Muell. Arg) PADA TANAH BEKAS TAMBANG EMAS Hajar, Tri Ibnu; Ramanda, Rika Fitry; Ratnawati Hermanto, Sarwendah
Journal of Agro Plantation (JAP) Vol 4 No 1 (2025)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar

The productivity of rubber plants in Indonesia is relatively low, so efforts to increase productivity need to be made, one of which is by improving cultivation technology, the limitation of nutrients in the soil of former gold mines is overcome by providing vegetable waste compost. Vegetable waste compost has a C-organic content of 28.89%, N 1.57%, P 1.39%, K 0.69%. This study aims to determine the effect of vegetable waste compost on the growth of rubber seedlings on the soil of former gold mining land. The research was conducted at the Sukaharja Experiment Garden, Gg. Pandan, from April to July 2024. The study used a non-factorial Complete Random Design (RAL) consisting of 5 groups and 5 replicates, there were 25 experimental units, each experiment consisted of 3 samples so that the total number of samples was 75 samples. The parameters observed were the height of the seedlings, the diameter of the stems, the number of umbrellas, and the dry weight of the seedlings. The data is statistically analyzed with Analysis of Variance (ANOVA), if obtained has a real effect, then the Duncan Multi Range Test (DMRT) is continued at the level of 5%. The results of the fingerprint showed that the treatment of vegetable waste composting had a real influence on the variables of seedling height, stem diameter, number of umbrellas, and root volume. The results of the DMRT test at 5% level show that treatment with a dose of vegetable waste compost of 640 g/polybag is able to provide good growth for the growth of rubber seedlings.

PERBANDINGAN RESPON PERTUMBUHAN BIBIT KARET AKIBAT PEMBERIAN PUPUK ANORGANIK DAN KOMPOS Azolla pinnata PADA TANAH PMK Yusapriliani, Badriatun; Nurhayati, Nurhayati; Ratnawati Hermanto, Sarwendah
Journal of Agro Plantation (JAP) Vol 4 No 1 (2025)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/jap.v4i1.1746

Podzolic red-yellow soil has the potential for the development of plantation crops. Efforts to improve thefertility of Podzolic red-yellow soil include the application of both inorganic and organic fertilizers.Rubber plants are one of the important plantation crops in Indonesia. Rubber seedling is a crucial stagethat significantly determines latex production. Excessive use of inorganic fertilizers can have a negativeimpact on the environment, especially water pollution, thus it needs to be substituted with organicfertilizers. The aim of this research is to find the lowest dose of Azolla pinnata compost that providesgrowth equivalent to a dose of NPK 20 grams/polybag. This study used a completely randomized design(CRD) non-factorial with 6 treatments consisting of control: NPK 20 g/polybag, P1: Azolla pinnatacompost 100 g/polybag, P2: Azolla pinnata compost 200 g/polybag, P3: Azolla pinnata compost 300g/polybag, P4: Azolla pinnata compost 400 g/polybag, P5: Azolla pinnata compost 500 g/polybag. Eachtreatment was repeated four times. The observed parameters are seedling height, stem diameter, leaf chlorophyll, and seedling dry weight. The obtained data were analyzed using variance analysis, and ifthere was a significant effect, a difference test was conducted using LSD (Least Significant Difference) ata 5% level. The research results showed that the treatment of 200 grams/polybag was the lowest dose thatprovided growth equal to NPK 20 grams/polybag in the parameters of plant height, stem diameter,number of umbrellas, and dry weight of rubber seedlings. The use of Azolla pinnata compost startingfrom 200 grams/polybag can already replace NPK 20 grams for rubber seedling cultivation, especially inPMK soil.

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