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Rahhutami, Ratih
Politeknik Negeri Lampung
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Journal : Journal of Horticulture Production Technology

 1 
Pertumbuhan dan Hasil Pakcoy (Brassica campestris var. chinensis) Pada Berbagai Jenis Nutrisi dan Konsentrasi Pupuk Daun dengan Sistem Hidroponik NFT Indria Fatika; Rizka Novi Sesanti; Raida Kartina; Sismanto Sismanto; Ratih Rahhutami; Dede Tiara
Journal of Horticulture Production Technology Vol 1 No 1 (2023)
Publisher : Politeknik Negeri Lampung

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One of the keys to successful pakcoy hydroponic cultivation is nutrition. In addition to AB Mix nutrients, sources of nutrients from single fertilizers, compound fertilizers, and foliar fertilizers can also be used as hydroponic nutrition alternatives. The purpose of this study was to determine the interaction of nutrient treatment and foliar fertilizer concentration, to obtain the best type of nutrition, and to obtain the best concentration of foliar fertilizer on growth and yield of pakcoy with the NFT hydroponic system. This research was carried out in greenhouse of Polihidro Farm, Lampung State Polytechnic in June-August 2022. This research used Split Plot Randomized Block Design with the main plot, namely type of nutritions consist of AB Mix 10 ml.l-1 (N1) nutrients, NPK 16 - 16 – 16 2.5 g.l-1 (N2), and nutrients ZA : TSP : KCl (1 g.l-1 : 0.5 g.l-1 : 0.5 g.l-1 ) (N3). Subplots namely foliar fertilizer concentration consist of 0.5 g.l-1 (P1), 1 g.l-1 (P2), 1.5 g.l-1 (P3), 2 g.l-1 (P4), 2.5 g.l-1 (P5), and 3 g.l -1 (P6). The results showed that there was no interaction between type of nutrient and concentration of foliar fertilizer. AB Mix Nutrition 10 ml.l-1 provides the best growth and yield for pakcoy plants. The concentration of foliar fertilizer had no significant effect on growth and yield of pakcoy.
Pengaruh Jenis Media Tanam dan Interval Pemberian Pupuk Daun Terhadap Pertumbuhan Plantlet Anggrek Dendrobium Blue Twist x Dendrobium Biggibum pada Tahap Aklimatisasi dan Pembesaran Pretty Aulia Dewi Fortuna; Sismanto Sismanto; Desi Maulida; Lisa Erfa; Ratih Rahhutami; Rahmadyah Hamiranti
Journal of Horticulture Production Technology Vol 1 No 2 (2023)
Publisher : Politeknik Negeri Lampung

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Dendrobium orchids have the potential to be developed because they have a variety of types, shapes and sizes. The choice of planting media and fertilization is an important factor in the success of orchid propagation, especially at the acclimatization stage. The aim of this research were determine the type of planting media and the best interval for giving foliar fertilizer and determine the best interactions and combinations of treatment of the type of planting media and the interval for giving foliar fertilizer on the growth of dendrobium orchid plantlets in the acclimatization and enlargement stages. This research used a factorial Randomized Block Design (RAK) with the first factor being the type of planting media and the second factor being the interval of foliar fertilizer application. The first factor includes M1: wood charcoal, M2: cocopeat, M3: wood charcoal + cocopeat 1:1, M4: wood charcoal + cocopeat 1:2, and M5: wood charcoal + cocopeat 1:3. The second factor includes P1: once every 4 days, P2: once every 8 days, P3: once every 12 days. The results of the research showed that the cocopeat planting media type provided the best percentage of acclimatization success for the Dendrobium Blue twist x Dendrobium Biggibum orchids. Providing foliar fertilizer at 8-day intervals provides the best increase in plantlet height and leaf width at the acclimatization and plantlet enlargement stages of Dendrobium Blue twist x Dendrobium bigibbum orchids. There was no interaction between the use of planting media type and the interval of foliar fertilizer application.
Pengaruh Naungan dan Pupuk Organik Hayati Cair Terhadap Pertumbuhan dan Hasil Tanaman Seledri (Apium graveolens L.) Syafutri, Amalia; Ali, Fahri; Rahhutami, Ratih; Kartina, Raida; Darma, Wika Anrya
Journal of Horticulture Production Technology Vol 2 No 1 (2024)
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The use of shade percentage is the main factor as a barrier to sunlight which functions to reduce the intensity of the sun and as a weed control. Liquid biological organic fertilizer is fertilizer that contains microbes and is useful for helping plant growth. The aim of this research is to determine the best shade presentation and concentration of liquid biological organic fertilizer and their combination on the growth and yield of celery plants. This research was carried out from August to November 2023 at the Lampung State Polytechnic Land. This research was a split plot experiment (3 x 3) which was repeated 3 times. The first factor used as the main plot is the percentage of shade which consists of three levels: no shade, 30% shade, 60%. The second factor used as a subplot is the concentration of liquid biological organic fertilizer which consists of three levels: control, 10 ml.l-1, 20ml.l-1. If the results show a significant effect, it will be continued with the Honestly Significant Difference (BNJ) test at the 5% level. Based on the observations result, it can be concluded that there is no good combination between the shade percentage treatment and the concentration of liquid biological organic fertilizer on the growth and yield of celery plants. The shade percentage treatment of 30% gave the best results for all observation parameters tested. Treatment of liquid biological organic fertilizer with a concentration of 10 ml.l-1 gave the best results in all observed parameters except for plant height parameters.
Produksi Nutrisi Hidroponik ABC Mix Hayati Sesanti, Rizka Novi; Ali, Fahri; Darma, Wika Anrya; Tiara, Dede; Rahhutami, Ratih; Yeni, Yeni; Prajaka, Nanang Wahyu; Febria, Dila; Safitri, Betari; Hamiranti, Rahmadyah; Putri, Sekar Utami; Maulida, Desi
Journal of Horticulture Production Technology Vol 2 No 1 (2024)
Publisher : Politeknik Negeri Lampung

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Abstract

ABC mix biological hydroponic nutrition is an innovation by developing the AB Mix hydroponic nutrition formulation (based on 100% chemicals) in collaboration with Liquid Organic Biofertilizer/LOB from LOB Plant PT. Great Giant Pineapple (PT.GGP). This invention is created in order to solve the problem of industries that want to produce hydroponic nutrients based on liquid organic biological fertilizer to reduce the concentration of chemicals in hydroponic nutrients. The aim of this invention are (1) to develop hydroponic nutrient products consisting of chemical fertilizers and biological fertilizers so that the use of chemicals can be reduced, (2) to produce patents granted regarding hydroponic nutrition based on chemical fertilizers and biological fertilizers, and (3) to apply the results of the invention to society and industry that requires the invention. The ABC Mix biological hydroponic nutrition product already has a patent with number IDS000006120 and has been implemented at Miftahul Huda Islamic Boarding School 606 through community service activities.
Effect of NPK Fertilizer Dosage and Plant Spacing on Growth and Yield of Cauliflower (Brassica oleraceae L.) Jadidah, Riskon; Febria, Dila; Rahhutami, Ratih; Darma, Wika Anrya
Journal of Horticulture Production Technology Vol 2 No 2 (2024)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v2i2.3798

Abstract

Cauliflower is a vegetable with high economic value. However cauliflower production was decrease caused by crop failure resulting, pest and deseasse attack. Decrease of Cauliflower production related to soil fertility. One of attempts to overcome this problem is combining NPK fertilizer and setting of plant spacing to increase cauliflower production in Indonesia. The aims of this research is Firts: Determine the most effective dose of NPK fertilizer for growth and yield cauliflower, Seccond: Finding the optimal plant spacing to support growth and yield of cauliflower, and Third: indentifying best combinations of NPK fertilizer dosage and plant spacing to increasing growth and yield of cauliflower production. This research used a factorial Randomized Group Design (RAK) by two factors: NPK fertilizer dose (0 g/plot, 5 g/plot, 10 g/plot dan 15 g/plot), plant spacing (40 x 45 cm, 50 x 45 cm, and 60 x45 cm). Results of this research show that aplication doses of NPK fertilizer provides best results at an NPK fertilizer dose of 10 g/plot. Application of plant spacing did not show significant differences throughout observed of all parameters. Additionally, no interactions from combination of NPK fertilizer dosage and plant spacing cauliflower.
Effect of Liquid Organic Biofertilizer (LOB) Consentrations and Sawdust Mulch of Kailan Plants (Brassica oleracea L.Var. Alboglabra) Fitria, Desi Heni; Kartina, Raida; Darma, Wika Anrya; Rahhutami, Ratih; Safitri, Betari
Journal of Horticulture Production Technology Vol 2 No 2 (2024)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v2i2.3842

Abstract

In increasing kailan productivity, organic mulch can be used through the application of sawdust mulch and fertilization through fertilizer applications. This study aims to determine the concentration of LOB and the thickness of sawdust mulch and the best combination of LOB concentration and sawdust mulch thickness on the growth and yield of kale plants. This study was conducted in May until July 2024, on the Lampung State Polytechnic land, using a Randomized Block Design (RBD) with two treatment factors, namely: The first factor is the concentration of organic fertilizer LOB consisting of 4 levels, namely 0 ml.1-1 (P0), 15 ml.1-1 (P1), 20 ml.1-1 (P2), 25 ml.1-1 (P3). The second factor is the thickness of sawdust mulch consisting of 3 levels, namely 2 cm mulch thickness (M1), 3 cm mulch thickness (M2), 4 cm mulch thickness (M3). The data obtained were analyzed using analysis of variance. The results showed that the combination of two factors did not show a significant effect on all observation parameters. The sawdust mulch thickness treatment showed a significant effect on plant height but did not have a significant effect on the other parameters.
Pertumbuhan dan Hasil Tanaman Sawi Pagoda (Brassica narinosa L.) pada Beberapa Jarak Tanam dan Dosis Pupuk NPK 16-16-16 Septari, Nita Fadilah; Darma, Wika Anrya; Putri, Sekar Utami; Rahhutami, Ratih
Journal of Horticulture Production Technology Vol 3 No 2 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v3i2.4596

Abstract

Mustard greens are one of the most popular vegetables in Indonesia, leading to an increasing demand each year, though production levels remain unstable. Among its varieties, pagoda mustard (Brassica narinosa L.) has gained popularity due to its nutritional benefits. Proper plant spacing and NPK fertilizer dosage are believed to improve crop yield. This study aimed to: 1) determine the effect of plant spacing on the growth and yield of Pagoda mustard (Brassica narinosa L.), 2) determine the effect of NPK 16-16-16 fertilizer rates on the growth and yield of Pagoda mustard (Brassica narinosa L.), and 3) determine the interaction effect between plant spacing and NPK 16-16-16 fertilizer rates on the growth and yield of Pagoda mustard (Brassica narinosa L.). The research was conducted in Budi Lestari Village, Tanjung Bintang District, South Lampung, from November to December 2024, using a factorial randomized block design with two factors: plant spacing—20 x 20 cm (J1), 30 x 30 cm (J2), and 40 x 40 cm (J3)—and NPK fertilizer dosage—100 kg/ha (N1), 200 kg/ha (N2), and 300 kg/ha (N3). The results showed that a 40 x 40 cm spacing produced the best results for the number of leaves at 28 days after planting, plant dry weight, and root dry weight. A spacing of 20 x 20 cm produced the highest yield per plot. The 200 kg/ha NPK dosage gave the best performance for leaf number, plant dry weight, and root dry weight. The combination of 40 x 40 cm spacing and 200 kg/ha NPK fertilizer resulted in the highest root dry weight.
Pengaruh Dosis Pupuk NPK 16-16-16 dan Konsentrasi Pupuk Guano Terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.) Pangestu, Abdulah Aditiya; Febria, Dila; Darma, Wika Anrya; Rahhutami, Ratih
Journal of Horticulture Production Technology Vol 3 No 2 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v3i2.4634

Abstract

Shallots (Allium ascalonicum L.) are horticultural crops with great potential to be developed to meet the needs and economic value of the community. Shallot production is influenced by fertilization, both inorganic and organic fertilizers. The objectives of this study were (1) to obtain the best dose of NPK fertilizer for the growth of shallots. (2) to obtain the best concentration of guano liquid organic fertilizer for the growth of shallots. (3) to obtain the best combination of NPK fertilizer doses and guano liquid organic fertilizer concentrations for the growth of shallots. This study was conducted on the horticultural experimental land of the Lampung State Polytechnic from June to August 2024. The research method used was a factorial Randomized Block Design (RAK) with 2 factors and 3 replications. The first factor used NPK fertilizer (N) with 3 levels, namely: 400 kg/ha (N1), 600 kg/ha (N2), 800 kg/ha (N3). The second factor used POC (P) with 3 levels, namely: 2 ml/L (P1), 4 ml/L (P2), 6 ml/L (P3). Each treatment was repeated 3 times so that there were 9 treatment combinations and 27 experimental units. The results showed that the application of NPK fertilizer at a dose of 600 kg/ha showed the best results for all observation parameters except plant height and number of leaves. The application of POC Guano did not show significantly different results for all observation parameters. There was no best combination between NPK fertilizer and POC Guano treatment for all observation parameters.
Pertumbuhan dan Hasil Kailan (Brassica oleraceae var. Albograba) pada Berbagai Jarak dan Media Tanam dengan Sistem Hidroponik Putri, Faradilla Melia; Putri, Sekar Utami; Ali, Fahri; Rahhutami, Ratih; Khafidhan, Abied
Journal of Horticulture Production Technology Vol 3 No 2 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v3i2.4640

Abstract

This study aimed to evaluate the growth and yield response of kailan (Brassica oleraceae var. Albograba) to various plant spacings and growing media under a hydroponic NFT system. The experiment was conducted from September to November 2024 using a split-plot randomized block design with two factors: plant spacing (10 × 10 cm, 15 × 15 cm, and 20 × 20 cm) and growing media (cocopeat, rice husk charcoal, and rockwool), resulting in nine treatment combinations with three replications. Observed variables included plant height, number of leaves, leaf width, leaf length, fresh weight per plant, fresh weight per plot, and dry weight per plant. The results showed that plant spacing significantly affected plant height and fresh weight per plot, with the closest spacing (10 × 10 cm) yielding the highest biomass accumulation per plot. Growing media had a significant effect on all measured variables, where cocopeat consistently produced the highest values for plant height, leaf growth, fresh weight, and dry weight, followed by rice husk charcoal, while rockwool resulted in the lowest performance. No significant interaction was found between plant spacing and growing media. Overall, the study demonstrates that a spacing of 10 × 10 cm combined with cocopeat as the growing medium provides the most optimal growth and yield in hydroponic kailan cultivation.
Pengaruh Pemberian Pupuk Kandang Kambing dan Pupuk NPK terhadap Pertumbuhan dan Hasil Tanaman Kubis Bunga (Brassica oleraceae Var. Botrytis L.) Prayogi, Aang Dwi; Safitri, Betari; Rahhutami, Ratih; Febria, Dila
Journal of Horticulture Production Technology Vol 3 No 2 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v3i2.4646

Abstract

This study aimed to determine the effect of goat manure and NPK fertilizer on the growth and yield of cauliflower (Brassica oleracea var. Botrytis L.) of the Larisa F1 variety. The research was conducted from November 2024 to January 2025 using a factorial Randomized Block Design (RBD) consisting of two factors: goat manure doses (10, 20, and 30 tons ha⁻¹) and NPK fertilizer doses (200, 400, and 600 kg ha⁻¹), resulting in nine treatment combinations with three replications. Observed variables included plant height, number of leaves, curd diameter, curd weight, fresh weight, and dry weight of plants. The results showed that both goat manure and NPK fertilizer significantly influenced several growth and yield parameters, including early-stage plant height, number of leaves, curd diameter, fresh weight, and dry weight. Goat manure at doses of 20–30 tons ha⁻¹ produced better growth and yield compared to the lowest dose, while increasing NPK fertilizer to medium and high levels contributed positively to vegetative development and biomass accumulation. No interaction between the two factors was observed.
Co-Authors Agung Wicaksono Ahmad Sutopo Ajeng Rizky Septiani Ali , Fahri Ali, Fahri Andrian Setiawan Betari Safitri Danie Indra Yama Dede Tiara Desi Maulida Dody Boy Lorensha Dwi Astutik Dwi Astutik Dwi Astutik Fahri Ali Fahri Ali, Fahri Ali Febria, Dila Ferziana Ferziana Fitria, Desi Heni Gabriel Lilian Hamiranti, Rahmadyah Handini, Aline Sisi Indria Fatika Indriana Lestari Jadidah, Riskon Khafidhan, Abied Lisa Erfa Muhammad Nuril Anwar Novena, Brigitta Pangestu, Abdulah Aditiya Prajaka, Nanang Wahyu Prayogi, Aang Dwi Pretty Aulia Dewi Fortuna Priyadi Priyadi Putri, Faradilla Melia Putri, Sekar Utami Rahmadyah Hamiranti Raida Kartina Raida Kartina Rianida Taisa Rizka novi sesanti Rizka Novi Sesanti Rizka Novi Sesanti Safitri, Betari Sekar Dwi Rizki Septari, Nita Fadilah Sisca, Pebria Sismanto Sismanto Sismanto Sudirman Yahya Sudradjat Sudradjat Sukmawati, Aditya Sutopo, Ahmad Syafutri, Amalia Sylvia Madusari Taisa, Rianida Tiara, Dede Tonny Iskandar Toto Suryanto Vira Irma Sari Vira Irma Sari Wahyuni, Reza Wika Anrya Darma, Wika Anrya Winata, Winata Yeni Yeni Yeni Yeni Yeni Yeni Yeni