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TEST APPLICATION OF OIL PALM EMPTY FRUIT BUNCH COMPOST AND DRIED DECANTER SOLID ON THE GROWTH AND RESULTS OF SPRING ONION PLANT (ALLIUM FISTULOSUM L.) HOLE VARIETY: UJI APLIKASI KOMPOS TANDAN KOSONG KELAPA SAWIT DAN DRIED DECANTER SOLID TERHADAP PERTUMBUHAN SERTA HASIL TANAMAN BAWANG DAUN (Allium Fistulosum L.) VARIETAS LUBANG Soni Setiawan; Mahdalena; Hamidah
Agrifarm : Jurnal Ilmu Pertanian Vol 10 No 1 (2021): July
Publisher : Universitas Widya Gama Mahakam

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Increased production of oil palm empty fruit bunches results in large quantities of waste that have not been used optimally. One of the wastes produced from oil palm mills is oil palm empty fruit bunches and dried decanters solid. Waste from oil palm empty fruit bunches can be made into compost. This type of waste can be used as organic fertilizer for oil palm plants. The function of organic fertilizer is to improve soil structure, soil texture, aeration and increase the soil's absorption capacity. Organic fertilizers also function as stimulants to improve the health of plant roots and provide food for microorganisms that can maintain the soil in a healthy and balanced condition. The purpose of this study was to determine the effect and interaction of applications of oil palm empty fruit bunch compost and dried decanters solid on the growth and results of spring onion plant (Allium fistulosum L.) hole variety. The study was conducted in the Experimental Garden of the Faculty of Agriculture, Widya Gama Mahakam Samarinda University. The study was conducted for ± 6 months starting in January to July 2018. This study used a randomized block design (RBD) with a 4 x 4 Factorial Experiment consisting of 3 replications. The first factor is the application of oil palm empty fruit bunch compost (K) namely K0 (control), K1 (70 g/polybag), K2 (120 g/polybag), and K3 (170 g/polybag). The second factor is the application of dried decanter solid (S) namely S0 (control), S1 (65 g/polybag), S2 (115 g/polybag), and S3 (165 g/polybag). The results showed that the application of oil palm empty fruit bunch compost and dried decanter solid as well as the interaction combination of treatment had a very significant effect on the observed variable height of plants per clump (cm), fresh weight of plants per clump (g), and had no significant effect on the observation variables leaves per clump (sheet) as well as the number of tillers per clump (fruit).

THE EFFECT OF UREA, KCl, SP-36 FERTILIZER ON PRODUCTION AT SOME AGE OF NATURAL RUBBER PLANT (Hevea brasiliensis Mull.Arg): PENGARUH PUPUK UREA,KCl,SP-36 TERHADAP PRODUKSI PADA BEBERAPA UMUR TANAMAN KARET ALAM (Hevea brasiliensis Mull.Arg) Gebi Hiskia; Akhmad Sopian; Mahdalena
Agrifarm : Jurnal Ilmu Pertanian Vol 11 No 1 (2022): July
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/ajip.v11i1.1510

Gebi Hiskia Anggraini, Faculty of Agriculture, Widya Gama Mahakam University Samarinda 2020, " The Effect Of Urea, Kcl, Sp-36 Fertilizer On Production At Some Age Of Natural Rubber Plant (Hevea Brasiliensis Mull.Arg)" under the guidance of Mahdalena and Akhmad Sopian. The purpose of this study was to determine the correct dosage of fertilizer to increase the production of natural rubber plants, to determine the effect of rubber plant age and the combination of Urea, KCl, SP-36 fertilizers on increased production,this research was conducted for 3 months, from March 2020 to July 2020. The research location was in a rubber plantation located in Tondoh Village The study used a divided plot design or divided plot consisting of 2 factors with 3 replications, the main plot factor was the age of the rubber plant which consisted of 2 levels of age 8 years and 10 years, the second factor of the sub-plots was Fertilizer consisting of 5 levels, namely: P0 = Without fertilizer, P1 = Urea fertilizer 350 g, KCl 300 g, SP36 260 g / tree, P2 = KCl fertilizer 300 g, SP36 260 g / tree, P3 = Urea fertilizer 350 g, SP36 260 g / tree, P4 = Urea fertilizer 350 g, KCl 300 g / tree The results showed that the application of Urea, KCl, SP-36 fertilizers had a significant effect on latex productivity, latex wet weight, and latex dry weight on the production of rubber (Hevea brasiliensis Muell. Agr). At the age of 8 years and 10 years with the combination of Urea, KCl, SP-36 Fertilizer treatment did not manifest a significant effect on the results of Production, Wet Weight, Dry Weight, and Dry Rubber Content Dry Rubber Content Natural rubber (Hevea brasiliensis Muell. Agr) belongs to quality II which has a low Dry Rubber content that means that the water content in the latex is relatively high Key words: Latex and Inorganic

The Effectiveness of Pearl NPK Fertilizer and Nasa Liquid Organic Fertilizer on the Growth and Production of Shallot (Allium ascanolicum L.): EFEKTIVITAS PUPUK NPK MUTIARA DAN PUPUK ORGANIK CAI NASA TERHADAP PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascanolicum L.) Christy Angelia; Akhmad Sopian; Mahdalena
Agrifarm : Jurnal Ilmu Pertanian Vol 12 No 1 (2023): Agrifarm
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/ajip.v12i1.2280

Tujuan Penelitian untuk mengetahui pengaruh pupuk NPK Mutiara dan POC Nasa serta Interaksi kedua perlakuan tersebut terhadap pertumbuhan dan produksi bawang merah (A. ascalonicum L.). Penelitian dilaksanakan dilahan terletak di Jl. Flamboyan, Kelurahan Loabuah, Kecamatan Sungai Kunjang, Kota Samarinda. Penelitian ini dilaksanakan selama 4 bulan, mulai pada Maret hingga Juni 2022. Penelitian menggunakan Rancangan Acak Kelompok dengan percobaan faktorial 4x4 yang terdiri dari 3 ulangan. Faktor Pertama adalah NPK Mutiara (M) yang terdiri dari 4 taraf yaitu M0 (tanpa perlakuan), M1 (3 g/polybag), M2 (5 g/polybag), dan M3 (7 g/polybag). Faktor kedua adalah POC Nasa (N) yang terdiri dari 4 taraf yaitu N0 (tanpa perlakuan), N1 (8 mL/L air), N2 (16 mL/L air), dan N3 (24 mL/L air). Hasil penelitian pada perlakuan pupuk NPK Mutiara pada parameter tinggi tanaman 15 HSP, jumlah anakan, berat basah serta berat kering tidak berpengaruh nyata. Namun tinggi tanaman 45 HSP berpengaruh sangat nyata. Hasil penelitian pada perlakuan POC Nasa pada parameter tinggi tanaman 15 HSP 45 HSP, berat basah serta berat kering tidak berpengaruh nyata. Namun pada jumlah anakan berpengaruh nyata. Interaksi kedua perlakuan pupuk tersebut tidak berpengaruh nyata terhadap semua parameter. Pupuk NPK Mutiara dengan dosis 4,2 gr/polybag memberikan hasil terbaik pada pertumbuhan dan produksi bawang merah. POC Nasa dengan dosis 13 mL/L air memberikan hasil terbaik pada pertumbuhan dan produksi bawang merah. Kata Kunci : Bawang merah, NPK Mutiara, POC Nasa

Dampak Pupuk Organik Padat Dan Pupuk Organik Cair Daun Gamal (Gliricidia sepium) Untuk Pertumbuhan Dan Produksi Tanaman Cabai Rawit (Capsicum frutescens L.): The Impact of Solid Organic Fertilizer and Liquid Organic Fertilizer from Gamal Leaves (Gliricidia sepium) for the Growth and Production of Cayenne Pepper Plants (Capsicum frutescens L.) Puteri Aprilani; Mita Purnama; Mahdalena
Agrifarm : Jurnal Ilmu Pertanian Vol 12 No 2 (2023): Jurnal llmu Pertanian Agrifarm
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/ajip.v12i2.2596

The research method used was a Randomized Block Design with a 2x4 Factorial Experiment consisting of 3 replications. The first factor is solid organic fertilizer (P) which consists of 2 types, namely: Solid decanter fertilizer (Ps): 5 Kg/Polybag; Manure (Pk): 5 Kg/Polybag. The second factor is gamal leaf liquid organic fertilizer (G) which consists of 4 levels, namely: G0: (control); G1: 10% concentration; G2: 30% concentration and G3: 50% concentration. The results of the research showed that the treatment of giving gamal leaf liquid organic fertilizer with the lowest concentration, namely G1 (10%), had a significant effect on the fresh fruit weight parameters per plant with the best average weight of fresh fruit per plant being 137.00 g. Providing solid organic fertilizer of the decanter type did not have a significant effect on all parameters. Providing solid organic fertilizer of the chicken manure type had a significant effect on the average height growth of plants at 30 DAP, 60 DAP, 75 DAP, 90 DAP, stem diameter at 15 DAP, 45 DAP, 60 DAP, 90 DAP, and fresh fruit weight per plant. The interaction of solid organic fertilizer and liquid organic fertilizer with gamal leaves had a significant effect on plant height at 15 DAP, stem diameter at 90 DAP, and fresh fruit weight per plant but had no significant effect on other parameters. The best treatment interaction was PkG1 with a fresh fruit weight of 221.00 gr. Keywords : Solid, Liquid, Fertilizer, Gamal Leaves

The Effect of Giving Liquid Organic Fertilizer From Cow Blood and NPK Phonska For the Growth of Coffee Plant Seeds (Coffea arabica L.): Pengaruh Pemberian Pupuk Organik Cair (POC) Darah Sapi dan NPK Phonska Terhadap Pertumbuhan Bibit Kopi (Coffea arabica L.) Siti Mutmainah; Mahdalena; Vanesa Patricia
Agrifarm : Jurnal Ilmu Pertanian Vol 13 No 2 (2024): Agrifarm
Publisher : Universitas Widya Gama Mahakam

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ABSTRACT The effect of giving liquid organic fertilizer of cow blood and NPK Phonska for the growth of the coffee plant seeds (Coffea arabica L.). The purpose of study is to determine the effect of liquid organic fertilizer cow’s bloods and NPK Phonska and the interaction of the two treatments for the growthof coffee seeds (Coffea arabica L.). The study was conducted in July 2023 to November 2023 and located in the research land of the Faculty of Agriculture, Widya Gama Mahakam Samarinda University, Wahid Hasyim, Sempaja Village, subdistrict North Samarinda, East Borneo.The research method uses a random group design consists of 2 factors with 4 x 4 consisting of 3 replications. The first factor is liquis organic fertilizer cow’s blood (D) consisting of 3 levels, namely: DO (Control), D1 (80 mL/L water/polybag), D2 (100 mL/L water/Polybag), D3 (120 mL/L water/polybag). The second factor in NPK Phonska (P) consisting of 3 levels, namely: P0 (control), P1 (2,5 g/polybag), P2 (3,5 g/polybag), P3 (4,5 g/polybag). Observation variable, namely growth in plant height stem diameter and number of leaft strands. The resulrs showed that liquid organic fertilizer cow’s blood gave results significant effect on plant height parameters aged 90 DAP with a dose best 100 mL/L water, NPK Phonska fertilizer gives a significant effect in the parameter the number of leaves aged 30 DAP at a dose of 4,5 g as wel the interaction between cow blood POC and NPK Phonska gives an influential result real in plant height parameters aged 30 DAP. Kata kunci : Coffea, NPK Phonska, POC

The Growth Response of Oil Palm (Elaeis guineensis Jacq.) Seedlings in Pre Nursery to Treatment of Palm Oil Waste and N Fertilizer: Respon Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq.) Pada Pre Nursery Terhadap Perlakuan Limbah Kelapa Sawit dan Pupuk N Asiah Wati; Mahdalena; Teguh Arif Saputra
Agrifarm : Jurnal Ilmu Pertanian Vol 13 No 2 (2024): Agrifarm
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/ajip.v13i2.3215

This research aims to determine the best dose of Solid Palm Oil Waste and Nitrogen Fertilizer, as well as the interaction of the two treatments on the growth of oil palm seedlings in the Pre-nursery. This research was carried out at the experimental field of the Faculty of Agriculture, Widya Gama Mahakam University, Samarinda and was carried out for 3 months starting from April 2024 to June 2024. This research was arranged in a Factorial Randomized Group Design (RGD), overall there were 4 x 3 = 12 treatment combinations , and each treatment combination was repeated 3 times so that there were 36 experimental units. The first factor was 4 levels of Nitrogen Fertilizer, namely, N0= no treatment (control), N1= dose 8 g/polybag, N2= dose 10 g/polybag, N3= dose 12 g/polybag. The second factor is Solid Palm Oil Waste fertilizer consisting of 3 levels, namely S0= without treatment (control), S1= dose of 500 g/ 1 kg of polybag soil, S2= 550 g/ 1 kg of polybag soil. The results of the research on the treatment of solid oil palm waste had a significant effect on the treatment of stem diameter and number of leaves at 9 WAP and 12 WAP, nitrogen fertilizer had a significant effect on the treatment of plant height at 12 WAP, the interaction of solid oil palm waste fertilizer and nitrogen fertilizer had a significant effect on plant height at 12 WAP (U3S2), stem diameter 6 WAP (U1S0), 9 WAP (U1S1), 12 WAP (U3S1) and number of leaves at 12 MST (U2S1). Key word : berkelanjutan, efesiensi, zero waste

Enhancement of Natural Rubber (Hevea brasiliensis Muell. Arg) Yield Through TSP and KCL Fertilization in Smallholder Rubber Plantations of Binuang Village: Peningkatan Produksi Karet Alam (Hevea brasiliensis Muell. Arg) Melalui Pemupukan TSP dan KCL Kebun Karet Rakyat Desa Binuang Akhmad Sopian; Listher Mada Rannu; Mahdalena
Agrifarm : Jurnal Ilmu Pertanian Vol 14 No 1 (2025): Agrifarm Juli
Publisher : Universitas Widya Gama Mahakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24903/ajip.v14i1.3665

Suboptimal soil conditions can lead to reduced latex production and quality. One of the main factors influencing latex production is soil fertility, where fertile soil with adequate nutrient content can enhance latex yield. One of the efforts to improve production is through proper fertilization, where the dosage and timing of phosphorus (P) and potassium (K) application must align with the needs of the rubber plant and the condition of the soil. By using appropriate P and K fertilizers, rubber farmers can increase both latex yield and quality. This research was conducted using a factorial experiment with a randomized complete block design (RCBD) and three replications. The first factor was the amount of TSP fertilizer, divided into four categories: P0 = without TSP application per tree, P1 = 175 g per tree, P2 = 200 g per tree, and P3 = 225 g per tree. The second factor was the dose of KCl fertilizer, consisting of four categories: K0 = control, K1 = 200 g per tree, K2 = 250 g per tree, and K3 = 300 g per tree. The findings indicated that TSP fertilizer application had a significant effect on dry rubber content, while KCl doses did not show a significant effect on latex volume, wet latex weight, dry latex weight, or dry rubber content. Keywords: Hevea brasiliensis, latex production, phosphorus, potassium

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