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Rika fitry ramanda
Politeknik Negeri Ketapang
Agriculture, Biological Sciences & Forestry

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PENGARUH PERBEDAAN VOLUME PENYIRAMAN PUPUK ORGANIK CAIR (POC) KULIT PISANG KEPOK PADA PEMBIBITAN KAKAO (Theobroma cacao L.) Rika fitry ramanda; Rosmalinda Rosmalinda; Lia Kafita Sari
Journal of Agro Plantation (JAP) Vol 1 No 1 (2022)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (171.766 KB) | DOI: 10.58466/jap.v1i1.354

Abstract

The productivity of cocoa (Theobroma cacao L.) in Indonesia has decreased every year. Organic and sustainable fertilization starting from the nursery can be done as an effort to improve the productivity of cocoa. Organic fertilizers consist of 2, namely solid and liquid organic fertilizers. The use of POC can accelerate the absorption of nutrients by plant roots. POC banana peel kepok contains a number of nutrients needed by plants such as C, N, P, K, Fe, Cu, and Zn. This study aims to determine the effect and dose of differences in the volume of watering POC of good kepok banana peels on the growth of cocoa seedlings. This study used a non-factorial Completely Randomized Design (CRD) with 6 treatment levels and 4 replications. Each treatment consisted of 3 plant samples so that 72 samples of seeds were obtained. Parameters observed included plant height (cm), number of leaves (strands), stem diameter (mm), root length (cm), plant dry weight (g). Cocoa seedling growth data were analyzed using Analysis of Variances (ANOVA). If the results of the analysis have a significant effect, it will be continued with Duncan's Multiple Range Test (DMRT) at a level of 5% and data processing using the SAS application version 9.0. Based on the results of the follow-up test (DMRT), the best watering of POC banana peels on the growth of cocoa seedlings (Theobroma cacao L.) was at the volume of watering POC 120 mL.
PENGARUH PEMBERIAN ABU JANJANG KOSONG KELAPA SAWIT TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) PADA MEDIA GAMBUT Rika Fitry Ramanda; Beny Setiawan; Andrix Wijaya
Journal of Agro Plantation (JAP) Vol 1 No 2 (2022)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.474 KB) | DOI: 10.58466/jap.v1i2.731

Abstract

Oil palm (Elaeis guinensis jacq) is a crop that is a top priority in plantations in Indonesia. Peat soil as a nursery medium faces many obstacles such as physical and chemical properties that do not support plant growth. Oil palm janjang ash (AJKKS) is an ameliorant that can increase the uptake of macronutrients P, K, Ca and Mg so as to improve the physical and chemical properties of peat soil. This study aims to determine the effect of oil palm empty fruit bunch ash on the growth of oil palm seedlings on peat media. The research will be conducted at the Ketapang State Polytechnic, from January to March 2022. This study was conducted using a non-factorial completely randomized design (RAL) consisting of 5 treatments and 6 replications. Treatment D0 (AJKKS 0 g/polybag), D1 (AJKKS 150 g/polybag), D2 (AJKKS 250 g/polybag) D3 (AJKKS 350 g/polybag) D4 (AJKKS 450 g/polybag). Parameters observed were growth percentage (%), seedling height (cm), number of leaves (strand), stem diameter (mm), root length (cm), peat soil pH. The provision of AJKKS 450 g/polybag significantly affected the growth of oil palm seedlings on the growth of seedling height, number of leaves, stem diameter, number of leaves, root volume, plant dry weight, and soil pH.
PENGARUH PUPUK ORGANIK CAIR DAUN KELOR TERHADAPERTUMBUHAN BIBIT KARET (Hevea brasiliensis Muell. Arg)PADA TANAH PODSOLIK MERAH KUNING (PMK) SITI Wulandari; Rika Fitry Ramanda; Venti Jatsiyah
Journal of Agro Plantation (JAP) Vol 5 No 1 (2026)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/tj1kkz33

Abstract

This study aimed to determine the effect of liquid organic fertilizer derived from moringa leaves on the growth of rubber seedlings (Hevea brasiliensis) grown in Ultisol (Red Yellow Podzolic) soil. The research was conducted at the Experimental Garden of Ketapang State Polytechnic from March to July 2024 using a non-factorial Completely Randomized Design with five treatment levels and four replications. The observed parameters included seedling height, stem diameter, number of leaves, root volume, and dry weight of seedlings. The results showed that the application of moringa leaf liquid organic fertilizer improved the growth of rubber seedlings across all observed parameters. The concentration of 500 mL/L produced the best results, with an average seedling height of 59.89 cm, stem diameter of 4.48 mm, number of leaves of 2.44, root volume of 7 mL, and dry weight of 9.40 g. This improvement is presumably due to the presence of essential nutrients and growth hormones in moringa leaves, which enhance soil properties and support plant physiological processes. Therefore, moringa leaf liquid organic fertilizer has the potential to be used as an alternative fertilization method to improve the quality of rubber seedlings in Ultisol soils.
APLIKASI PUPUK ORGANIK CAIR (POC) KEONG MAS TERHADAP PERTUMBUHAN BIBIT KARET (Hevea brasiliensis Muell. Arg) DI MEDIA GAMBUT Rosiana Rosiana; Sopiana Sopiana; Rika Fitry Ramanda; Ari Priyanto
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.v4i1.1963

Abstract

Golden apple snails are pests and can be processed into liquid organic fertilizer due to their ability to improve soil quality and provide nutrients to plants. Golden apple snails contain compounds that can be used as plant nutrients, including the amino acid tryptophan, phosphorus (P), and calcium (Ca), making them suitable raw materials for liquid organic fertilizer. This study aimed to determine the effect and optimal dosage of golden apple snail POC on rubber seedling growth in peat media. The study was conducted from March to June 2024 at the Tempurukan Village experimental garden. The study used a non-factorial Completely Randomized Design (CRD) with 5 treatments and 4 replications. Each treatment consisted of 4 plants, resulting in 80 experimental units. Observation parameters included plant height (cm), number of umbrellas (stalks), stem diameter (cm), root length (cm), and plant dry weight (g). Data analysis used ANOVA and a 5% DMRT follow-up test using the DSAASTAT application. The results showed that golden apple snail POC application significantly affected plant height, stem diameter, number of umbrellas, root length, and dry weight of rubber plants. A dose of 40 golden apple snail POC per plant was the best treatment for increasing rubber seedling growth, with an average seedling height of 63.12 cm, stem diameter of 0.44 cm, number of parasols of 3, root length of 54.50 cm, and plant dry weight of 10.14 g.
PENGARUH KOMPOS LIMBAH SAYURAN TERHADAP BIBIT KARET (Hevea brasiliensis Muell. Arg) PADA TANAH BEKAS TAMBANG EMAS Tri Ibnu Hajar; Rika Fitry Ramanda; Sarwendah Ratnawati Hermanto
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.v4i1.1964

Abstract

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.
Co-Authors Andrix Wijaya Ari Priyanto Beny Setiawan Lia Kafita Sari Rosiana Rosiana Rosmalinda Rosmalinda Sarwendah Ratnawati Hermanto Siti Wulandari Sopiana Sopiana Tri Ibnu Hajar Venti Jatsiyah