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Prediction of NPK doses based on targeted fruit sugar content in Cucumis melo L. ‘Cantaloupe’ using a simple regression method Wibawa, Rangga; Mubarok, Syariful; Kusumiyati, Kusumiyati; Wicaksono, Fiky Yulianto; Ruminta, Ruminta; Budiarto, Rahmat; Putri, Dina; Varinto, Irvan; Rizki, Muhammad; Maolana, Adrian; Nisa, Kahirun; Giyarto, Gunes
Kultivasi Vol 23, No 3 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i3.57162

Abstract

The fruit sweetness is the main target in melon plant production. The highest criterion of sweetness is excellent, with 16% of total sugar content. Modification of essential plant nutrients is the alternative to reach that category. So, this study aims to obtain optimum NPK doses using a simple regression method. The experiment was conducted in a greenhouse with a soilless culture hydroponic system from August until November 2023 using a completely randomized design (CRD) with five treatments and four replications. The parameters included leaf area, plant dry matter, leaf nutrient uptake, fruit weight, and fruit sugar content. Pearson correlation analysis showed that the total sugar content in fruit has a significantly positive correlation with potassium in NPK fertilizer treatments such as K2O dose and K2O uptake at 7 WAP, i.e., 0.932 and 0.973, respectively. According to the regression model y = -50.7 + 1.079 N + 0.251 P2O5 + 0.528 K2O, the NPK formula fertilizer containing 31.56 g N, 23.99 g P2O5, and 50.42 g K2O can be used by grower to produce excellent fruit sugar content.
Identifikasi Perubahan Iklim dan Korelasinya terhadap Produksi Tanaman Padi (Oryza sativa L.) di Kabupaten Karawang Gunawan, Gia Putra; Ruminta, Ruminta; Wicaksono, Fiky Yulianto
Paspalum: Jurnal Ilmiah Pertanian Vol. 12 No. 2 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v12i2.840

Abstract

Rice is a food crop that is widely consumed by Indonesian people. Water availability and environmental conditions greatly influence the growth of rice plants, so that climate change can affect the production and productivity of rice plants. Efforts to anticipate a decline in rice production and productivity due to climate change require a study by identifying climate variabels, analyzing the correlation between climate and rice plants, and identifying solutions to adapt to climate change. The research was conducted in Karawang Regency using quantitative-descriptive methods, with the data analyzed being climate variabels including rainfall, temperature, humidity from 1991-2022 and rice plant variabels including rice production and productivity from 1991-2022. The analysis was carried out using trend analysis, correlation, regression, auto-regressive integrated moving average methods, and farmer interviews as analyses of adaptation strategies. The results of the research show that climate change has occurred in Karawang Regency as indicated by a decrease in rainfall intensity of 41.84 mm, a decrease in humidity percentage of 4.69%, and an increase in temperature of 〖0,92 〗^o C, and the climate type according to Oldeman is type D2, or there is no change in Oldeman’s Agroclimate zone. The results of interviews for adaptations include rotating crop planting, managing planting time, using seeds that are resistant to pest attacks, paying attention to the type of fertilizer used, controlling pests using insecticides or natural predators, and pumping water for irrigation channels.
Identifikasi Perubahan Suhu dan Curah Hujan serta Korelasinya dengan Produksi Padi di Kabupaten Garut Jawa Barat Ruminta, Ruminta; Wicaksono, Fiky Yulianto; Narmadhia, Salsabila
Agrikultura Vol 35, No 3 (2024): Desember, 2024
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v35i3.59136

Abstract

Perubahan iklim merupakan ancaman bagi kegiatan budidaya pertanian termasuk budidaya tanaman padi Indonesia. Padi merupakan tanaman serelia yang sangat peka terhadap indikator perubahan iklim sehingga dapat menyebabkan perubahan hasil. Maka dari itu penelitian ini dilakukan untuk mengetahui besarnya perubahan curah hujan dan suhu serta korelasinya dengan produktivitas dan produksi padi di Kabupaten Garut. Penelitian dilakukan dengan metode deskriptif kuantitatif menggunakan analisis regresi, korelasi, dan klimogram yang masing-masing untuk mengetahui pola trend dari perubahan curah hujan dan suhu udara, pengaruh peruhaban curah hujan dan suhu udara terhadap produksi dan produkstivitas tanaman padi, serta kombinasi perubahan curah hujan terhadap suhu udara. Analisis korelasi dilakukan secara temporal selama periode 1982 hingga 2018 dan secara spasial untuk 42 kecamatan di kabupaten Garut. Data yang digunakan meliputi data iklim dan data budidaya tanaman padi yang diperoleh dari Dinas Pertanian, LAPAN, BPS, dan BMKG Kabupaten Garut pada tahun 1982 hingga 2018. Hasil penelitian menunjukkan bahwa di Kabupaten Garut terjadi trend peningkatan curah hujan sebesar 485 mm dan peningkatan suhu udara sebesar 0,2 oC serta pergeseran klimogram dari kiri ke arah kanan yang mengindikasikan perubahan curah hujan yang lebih besar dan perubahan suhu yang relatif kecil. Korelasi secara temporal antara curah hujan dengan luas panen dan produksi padi adalah signifikan dengan koefisien korelasi masing-masing sebesar 0,470 dan 0,385. Korelasi temporal antara suhu udara dengan luas panen, produktivitas, dan produksi padi adalah sigfinikan dengan koefisien korelasi masing-masing sebesar 0,424, 0,420 dan 0,423. Koefisien korelasi secara spasial antara curah hujan dengan produktivitas dan produksi padi di 42 Kecamatan Kabupaten Garut masing-masing berkisar antara 0,350–0,590 dan 0,390–0,794. Koefisien korelasi secara spasial antara suhu udara dengan produktivitas dan produksi padi masing-masing berkisar antara 0,572–0,648 dan antara 0,400–0,790. Fakta ini menunjukkan bahwa perubahan curah hujan dan suhu udara berpengaruh signifikan terhadap produktivitas dan produksi padi di Kabupaten Garut.
Rice (Oryza sativa L.) production, productivity, and harvested area in Karawang Regency under extreme weather from 1991-2023 Buswar, Adine Syabina; Ruminta, Ruminta; Wicaksono, Fiky Yulianto
Kultivasi Vol 24, No 2 (2025): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v24i2.63735

Abstract

Climate change occurred in Karawang Regency due to extreme weather events, which are included in the El Nino climate anomaly phenomenon. The existence of extreme weather events in Karawang Regency has decreased rice production, which is a climate-dependent crop. Based on this problem, a study was conducted to analyze the identification of extreme weather changes and correlation analysis of rice crops in Karawang Regency to see the magnitude of extreme weather changes and the influence of extreme weather elements on rice crops. The method used is a quantitative descriptive method by analyzing extreme weather changes, correlation analysis of extreme weather elements on rice plants (production, productivity, and harvest area), and correlation graphs of extreme weather elements with rice plants. Data was obtained from BPS, BMKG, and the Karawang Regency Agriculture and Food Security Office. The results showed that Karawang Regency experienced extreme weather changes due to climate change, namely an increase in the average maximum rainfall (1.78 mm), an increase in maximum temperature (0.76 °C), a decrease in minimum temperature (-0.57 °C), a decrease in wet spell for 3 days, and an increase in dry spell for 10 days. The impact of extreme weather change, namely the wet spell element, has a real significant correlation with a moderate level to a decrease in rice production and productivity.
RESPON PERTUMBUHAN DAN HASIL TANAMAN PADI TERHADAP JARAK TANAM PADA LAHAN TADAH HUJAN DENGAN MENGGUNAKAN PENGAIRAN INTERMITTENT Ruminta, Ruminta; Wahyudin, Agus; Sakinah, Syaza
Agrin Vol 21, No 1 (2017): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2017.21.1.338

Abstract

Peningkatan produksi padi untuk mencapai kebutuhan pangan nasional diperlukan paket teknik budidayayang baik yang meliputi varietas padi unggul, pemupukan, jarak tanam, dan sistem pengairan yang tepat. Telahdilakukan penelitian budidaya padi menggunakan varietas padi, jarak tanam dan sistem pengairan intermittentpada lahan sawah tadah hujan. Penelitian ini bertujuan untuk mengetahui varietas padi dan jarak tanam yang tepatpada sistem pengairan intermitten di lahan tadah hujan. Penelitian dilakukan pada tahun 2014 pada lahan tadahhujan dengan ketinggian tempat 765 m dpl. Penelitian ini menggunakan Rancangan Acak Kelompok dengan enamperlakuan yang merupakan kombinasi dari dua varietas padi (Ciherang dan Sintanur) dan tiga perlakuan jaraktanam (25x25 cm, 30x30 cm, dan 25x25x50 cm atau legowo 2:1) yang diulang empat kali. Hasil penelitianmenunjukkan bahwa jarak tanam legowo 2:1 pada sistem pengairan intermittent merupakan perlakuan terbaikdalam meningkatkan pertumbuhan dan hasil tanaman padi baik Ciherang maupun Sintanur.Kata kunci: varietas Ciherang dan Sintanur, jarak tanam, padi, pengairan intermittenABSTRACTEffort to increase rice production for achieve the demands of national food needed a good cultivationtechniques such as high-yielding rice varieties, fertilization, plant spacing, and proper irrigation system.Experiment of rice cultivation had been carried out using varieties of rice, row spacing, and irrigation system inthe rain-fed lands. This experiment aims to know the proper varieties of rice and row spacing on intermittentirrigation system in rain-fed land. The Experiment was conducted in 2014 at the rain-fed land with altitude 765 mabove sea level. Randomized Block Design was used with six treatment is a combination of two rice varieties(Ciherang and Sintanur) and three treatment space (25x25 cm, 30x30 cm, and 25x25x50 cm or Legowo 2: 1) andfour times replicating. The results showed that the row spacing of 25x25x50 cm or Legowo 2: 1 in the intermittentirrigation system is the best treatment to increase growth and yield of rice plants both Ciherang and Sintanur.Key words: Ciherang and Sintanur varities, row spacing, rice, intermittent irrigation
RESPON HASIL TANAMAN SORGUM (Sorghum bicolor L. Moench) TERHADAP PUPUK ORGANIK CAIR DAN JARAK TANAM DI JATINANGOR JAWA BARAT Ruminta, Ruminta; Wahyudin, Agus; Ramdani, Aditya
Agrin Vol 22, No 2 (2018): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (181.82 KB) | DOI: 10.20884/1.agrin.2018.22.2.464

Abstract

Tujuan penelitian adalah mempelajari pengaruh interaksi antara dosis pupuk organik cair dan jarak tanamterhadap pertumbuhan dan hasil tanaman sorgum (Sorghum bicolor L. Moench). Penelitian dilakukan di StasiunLapangan Fakultas Pertanian, Universitas Padjadjaran, Jatinangor Jawa Barat. Lokasi ini memiliki ketinggiansekitar 760 meter di atas permukaan laut, tipe tanah inseptisol dan tipe iklim Oldeman C3 pada tahun 2012.Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan pola faktorial, dua faktor perlakuan dantiga ulangan. Faktor pertama adalah dosis pupuk organik cair yang terdiri dari tiga taraf: 1,5 l / ha; 3 l / ha; dan 6l / ha. Faktor kedua adalah jarak tanam yang terdiri dari tiga taraf: 25 cm x 25 cm; 50 cm x 25 cm; dan 75 cm x 25cm. Pengamatan terdiri dari komponen hasil dan hasil tanaman sorgum. Hasil penelitian ini menunjukkan bahwaantara jarak tanam dan dosis pupuk cair memberikan efek interaksi terhadap berat malai sorgum. Perlakuan pupukorganik cair dengan dosis 6 l / ha dan jarak tanam pada level 50 cm x 25 cm memberikan efek terbaik terhadapberat malai sorgum (94,90 g). Pengaruh mandiri jarak tanam pada level 50 cm x 25 cm memberikan hasil terbaikterhadap bobot biji per tanaman (71,31 g). Perlakuan pupuk organik cair dan jarak tanam memberikan efek yangsama terhadap panjang malai, berat 1000 butir, persentase bobot biji per tanaman, indeks panen, dan hasil perlahan.Kata kunci: pupuk organik cair, jarak tanam, hasil, sorgumABSTRACTThe objective of research was to study the effect of interaction between dosage of liquid organic fertilizerand plant spacing on growth and yield of Sorghum (Sorghum bicolor L. Moench). Research was carried out atAgriculture Faculty Field Station, Padjadjaran University, Jatinangor West Java. The site has an altitude about760 meter above sea level, inceptisols soil type and C3 climate type of Oldeman in 2012. The experiment used aRandomized Block Design (RBD) with factorial pattern, two factor of treatment and three replications. The Firstfactor was dosage of liquid organic fertilizer which consist of three levels: 1,5 l/ha; 3 l/ha; dan 6 l/ha. The Secondfactor was plant spacing consist of three levels: 25 cm x 25 cm; 50 cm x 25 cm; and 75 cm x 25 cm. Observationsconsist of components of yield and yield of sorghum plants. The results of this experiment showed that betweenplant spacing and dosage of liquid fertilizer give an interaction effect to panicle weight of sorghum. Treatment ofliquid organic fertilizer at dosage 6 l/ha and plant spacing at level 50 cm x 25 cm gave the best effects on panicleweight sorgum (94,90 g). Single effect treatment of plant spacing at level 50 cm x 25 cm gave the best result tograin weight per plant (71,31 g). Treatment of liquid organic fertilizer and plant spacing give the same effect topanicle length, weight of 1000 grain, percentage of kernels weight per plant, harvest index, and yield per field.Key words: liquid organic fertilizer, plant space, yield, sorgum
Co-Authors Aep Wawan Irwan Aep Wawan Irwan Aep Wawan Irwan Aep Wawan Irwan Agus Wahyudin Agus Wahyudin Agus Wahyudin Amelia Ratnasari Asep Yusuf Atika L - Bayong Tj. H.K - Bayong Tjasyono - Bayong Tjasyono Hanggoro K. Betty Natalie Fitriatin Buswar, Adine Syabina Cucu Suherman D. C. Bachtiar D. C. Bachtiar, D. C. dan Fiky Yulianto Wicaksono Fiky Yulianto Wicaksono Fiky Yulianto Wicaksono Fiky Yulianto Wicaksono Gheanofany Ramadayanty Giyarto, Gunes Gunawan, Gia Putra Handoko Handoko Ina J - Indratmo Soekarno Jajang Sauman Hamdani Joko Wiratmo Kusumiyati Lumbantobing, Maysix M. Amrul Khoiri M. Fauzi M. Fauzi Maolana, Adrian Muhamad Aristiyo Muhamad Aristiyo, Muhamad Muhamad kadapi, Muhamad Muhammad Lukman Hanifa Muhammad Lukman Hanifa, Muhammad Lukman Muhammad Rizki Nalendia Sabrina Narmadhia, Salsabila Nisa, Kahirun Nita Yuliani Pratiwi Nurinnida, Annisa Putri, Dina Rahmat Budiarto Rahmat Gernowo - Ramdani, Aditya Rasyiqa Hasna Shabira Rhezaleta Eka Sutrisna Rizka Fitriani Rizka Fitriani S. A. Nursaripah S. A. Nursaripah, S. A. Sabilla, Yassa Sakinah, Syaza Santi Rosniawaty Solihah, Linda Puspa Sriworo B. Harijono - SYARIFUL MUBAROK T. Nurmala Tati Nurmala Tati Nurmala Tati Nurmala Tati Nurmala Tati Nurmala Tati Nurmala Tati Nurmala Tati Nurmala The H.L. - Theresia Romey Theresia Romey Samosir Tri W.H. - Varinto, Irvan Wahyu Kristian Sugandi Wibawa, Rangga Yakup Antonius Surbakti Yuyun Yuwariah Yuyun Yuwariah Yuyun Yuwariah Yuyun Yuwariah Zar, Cucu Suherman Victor