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Pemupukan NPK Phonska dan Jenis Tumpang Sari Terhadap Pertumbuhan Tanaman Pisang Rutai (Musa borneensis Becc.) Purwati Purwati; Abdul Rofik
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 1 (2018): July
Publisher : Universitas Widya Gama Mahakam

Rutai banana plants are local plants from Kutai Kartanegara Regency. But the existence of this plant has begun to be rare in the farmer's garden. Rutai bananas are small and are very popular for many people because of their distinctive aroma and sweet taste with high vitamin content. The small fruit shape is very suitable to be an appetizer at restaurants or food stalls. The Kutai Kartanegara District Government has made Rutai banana as an obligatory appetizer in Kutai Kartanegara. From the results of research on rutai banana fertilization on farmers' land shows very high productivity so it is necessary to do research to determine the growth of rutai banana planted intercropping with food crops. This is because the rutai banana plant uses a spacing of 3 mx 3 m, so that between banana plants there is still room that can be used for cultivation of food crops. This study aims to examine the effectiveness of NPK Phonska fertilization and the type of intercropping in rutai banana cultivation. This study used a Randomized Block Design (RBD) consisting of 4 treatments with 5 replications. Intercropping treatment consists of 4 levels, namely: s0 = without intercropping, without fertilization, s1 = without intercropping and NPK Phonska fertilizer 0.5 kg / tree, s2 = intercropping of chili and Phonska NPK 0.5 kg / tree , s3 = intercropping of corn plants and 0.5 kg / tree Phonska NPK fertilizer. Data obtained from observations were analyzed by variance and further testing with BNT at the level of 5%. Research activities include (1) land preparation (2) planting rutai banana seeds and ginger seedlings (3) Phonska NPK fertilizer treatment (4) Bioculture fertilizer treatment (5) POC Nasa fertilizer treatment (6) maintenance (7) data collection. The results showed that NPK Phonska fertilization was 0.5 kg / tree and intercropping with corn plants showed the best growth of rutai banana.

Pengaruh Perlakuan Pemangkasan Dan Pemberian Pupuk Solid Terhadap Pertumbuhan Dan Produksi Tanaman Kedelai (Glycine max L. Merril) Mahdalena Mahdalena; Abdul Rofik; Tiara Sartika Sari
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

Soybean is an important food crop after rice and corn. Soybean production in East Kalimantan based on the 2014 forecast rate is estimated at 1,263 tons of dry seeds. Compared to 2013 production (ATAP 2013) there was a decrease of 139 tons (9.91%) (BPS, 2014). The low productivity is because the technique of managing soybean plants is still not optimal. Efforts to increase soybean productivity can be done by conducting intensive cultivation techniques. One of the cultivation techniques that can be done is by technical methods, namely crop trimming and intensive agricultural cultivation can be done in various ways including fertilization. The study was carried out for 5 months, namely from January to May 2018. The research site was on experimental land owned by the Faculty of Agriculture, Widya Gama Mahakam Samarinda. This study used a Randomized Block Design (RBD) with a 2 x 3 factorial experiment consisting of 3 replications. The first factor is Pruning which consists of 2 levels: namely p0 (without pruning), p1 (vegetative phase V4 pruning). The second factor is the dose of Solid fertilizer consists of 3 levels, namely s0 (without fertilization), s1 (5 kg / plot), s2 (10 kg / plot). The results showed that the pruning (P) treatment had a significant effect on the parameters of the number of productive branches and had no significant effect on height, flowering age, number of pods, weight of 100 seeds, weight of crop seeds and weight of mapped seeds. While giving Solid (S) fertilizer does not significantly affect all parameters. But the interaction of the treatment of pruning and giving Solid (PS) significantly affected the parameters of the number of productive branches.

Pengaruh Sistem Hidroponik Dan Media Tanam Terhadap Pertumbuhan Dan Produksi Tanaman Kembang Kol (Brassica oleraceae) Abdul Rofik
Agrifarm : Jurnal Ilmu Pertanian Vol 5 No 1 (2016): July
Publisher : Universitas Widya Gama Mahakam

Effect of Hydroponic System and Growing Media on Growth and Production of Cauliflower (Brassica oleraceae). Results of analysis of variance showed that the influence of the hydroponic system very significant effect on plant height 8 ABP, 10 ABP. A high of 33.24 cm and 32.11 cm lows. number of leaves 8 ABP, ABP 12 with the highest value is 34.33 and the lowest 28.83. the flowering with the fastest value is 57.75 days and 76.50 days late, the diameter of the flower with the highest score is 71.32 grams and 64.05 grams lows. Hydroponic growing media influence a very significant effect on the number of leaves 4 ABP, ABP 6, and 8 weeks after planting. Significant effect on plant height 2 ABP, ABP 6, 8 ABP, ABP 12 with the highest score is 33.26 cm and the lowest was 32.42 cm, number of leaves 2 MST, MST 12 with the highest score is 34.08 and the lowest strand 29, 83 strands, the flowering with the fastest value is 75.75 days and 84.42 days late, flower diameter highest score is 71.15 mm and 61.51 mm and the weight the lowest rate that is the highest value and the lowest 43.82 53.65 grams g.interaction hydroponic system and growing media very significant effect on plant height 6 ABP with the highest value is 26.85 cm and 19.60 cm lows. Significant 2 ABP, 8 ABP, ABP 10, ABP 12 with the highest score is 33.75 cm and the lowest was 31.15 cm, number of leaves 2 ABP, ABP 4, 6 ABP, 8 ABP, ABP 10, ABP 12 with the highest score namely lows of 40.50 and 27.00, the fastest flowering with a value that is 67.00 days and 87.25 days late and a diameter of flowers with the best value and the lowest is 72.39 mm 53.35 mm.

Pemanfaatan Limbah Cair Pabrik Kelapa Sawit Sebagai Bioaktivator Untuk Pengomposan Tandan Kosong Kelapa Sawit Zainudin Zainudin; Abdul Rofik
Agrifarm : Jurnal Ilmu Pertanian Vol 8 No 1 (2019): July
Publisher : Universitas Widya Gama Mahakam

Palm oil is an export commodity of the plantation sector which began to develop rapidly in East Kalimantan with an area until 2017 reaching 1,192,342 Ha consisting of 284,523 Ha as plasma / smallholder plants, 14,402 Ha owned by SOEs as the core and 893,417 Ha owned by Large Private Plantation.Empty bunches (Tankos) are solid waste that is produced by palm oil mills in the process of managing palm fruit bunches into crude palm oil (CPO). In each processing 1 ton of fruit bunches will produce Tankos as much as 21-23%. Oil palm empty fruit bunches that are not managed properly will become waste that does not provide benefits. Compost technology using a local microorganism starter (MOL) can be used to produce quality organic fertilizer considering the process involves decomposing bacteria of organic ingredients. Compost technology from tankos waste is very possible to be developed, both at the level of farmers and private oil palm companies. This study aim to determine the potential of palm oil mill effluent (POME) as an bioactivator for composting oil palm empty fruit bunches, and to determine the chemical quality of oil palm empty fruit bunch compost with MOL bioactivator liquid waste as organic fertilizer. Through this research, it is expected that the palm oil mill's liquid waste can be utilized as a bioactivator for compost production and can be applied to the production of oil palm empty fruit bunch compost.This research was conducted for one year. The stages of the research are as follows: 1. Chemical analysis of POME waste, 2. Making LM POME, 3. Chemical analysis of LM POME, and 4. Making EFB Compost, and Chemical Analysis of oil palm empty fruit bunch compost. Compost making using randomized block design (RBD) with 5 treatments and 4 replications include: P0 = 0 ml / liter of water, P1 = 100 ml / liter of water, P2 = 300 ml / liter of water, P3 = 600 ml / liter of water, P4 = 900 ml / liter of water.The analysis showed that there was an increase in the chemical properties of POME after becoming an LM POME activator. Increased chemical properties such as phosphorus from 0.01 to 0.02, potassium from 0.19 to 0.27, and organic carbon from 0.90 to 1.30, but some chemical properties such as pH decreased from 7.20 to 3, 37 and nitrogen decreased from 0.37 to 0.05. The EFB compost analysis results showed that the highest pH was p2 with a value of 8.23, the highest organic C at p4 treatment with a value of 57.65, the highest total N at p3 with a value of 1.80, P2O5 the highest total at p3 with a value of 0.64, and the highest total K2O at p4 with a value of 2.68.

Pengaruh Perendaman Air Kelapa Dan Rootone F Terhadap Pertumbuhan Stek Tanaman Nilam (Pogstemon cablin, Benth) Irwanto Irwanto; Rustam Baraq Noor; Abdul Rofik
Agrifarm : Jurnal Ilmu Pertanian Vol 8 No 2 (2019): December
Publisher : Universitas Widya Gama Mahakam

This study aims to determine the growth rate of patchouli (Pogostemon cablin, Benth) with f rotoone administration and coconut water. The research was conducted on land peraktek Polytechnic State Agricultural Samarinda time for 2 months starting from the month of June to August 2016. The research design used was completely randomized design (CRD) with 6 treatments and 6 replications. treatment is a0 = control, a1 = Immersion Coconut Water with a concentration of 50% pure coconut water, a2 = Immersion Coconut Water with a concentration of 100% pure coconut water, a3 = Immersion Rootone F with a concentration of 50 grams, a4 = basting mixture Coconut Water 50% with a mixture of 50 grams Rootone F, basting mixture a5 = 100% Coconut Water with a mixture Rootone F 50 grams. Results of analysis of variance showed that the Effects of Immersion Water Oil And Rootone F on Growth Cuttings Plant Patchouli (Pogostemon cablin, Benth) a very significant effect on the number of shoots 2 weeks after planting, plant height 2 WAP, 6 WAP, stem diameter 2 WAP, 4 WAP, 6 WAP and 8 WAP. real effect on the number of parameters shoots 4 WAP, 6 WAP, 8 WAP, plant height 4 and 8 WAP.

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