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All Journal SINTA Journal (Science, Technology, and Agricultural) Jurnal Agriculture
Habiburahman
Universitas Muhammadiyah Bengkulu
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science Physics Veterinary

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Effect Of Growing Medium Composition And Composting Duration Of Sea Casuarina Leaf Waste On The Growth And Yield Of Red Lettuce (Latuca sativa L. var. Red Rapid) Tegar D. Saputra; Usman; Jafrizal; Rita Hayati; Habiburahman
SINTA Journal (Science, Technology, and Agricultural) Vol. 7 No. 1 (2026)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/sinta.7.1.139-154

Abstract

This study aimed to determine the interaction and effects of growing media composition and composting duration of Australian pine (Casuarina equisetifolia L.) leaf waste on the growth and yield of red lettuce (Lactuca sativa L. var. Red Rapid), as well as to evaluate the potential use of Australian pine leaf waste as an alternative compost material. The experiment was arranged in a factorial Randomized Complete Block Design (RCBD) with two factors: growing media composition (K0 = 2:1:0, K1 = 2:1:1, K2 = 2:1:2, and K3 = 2:1:3) and composting duration (L1 = 14 days, L2 = 28 days, and L3 = 42 days). A total of 12 treatment combinations were replicated three times, resulting in 36 experimental units. The results showed that there was no significant interaction between the two factors, and the growing media composition had no significant effect on any of the observed parameters. In contrast, composting duration had significant to highly significant effects on plant height, number of leaves, canopy width, fresh weight, and yield per experimental unit. The 42-day composting treatment produced the highest fresh weight (72.05 g) and yield per experimental unit (215.83 g). In conclusion, composting duration played a more important role than growing media composition. A longer composting period produced more mature compost with greater nutrient availability, thereby enhancing the growth and yield of red lettuce.  
PENGARUH PEMBERIAN JENIS ZPT ALAMI DAN KONSENTRASI PADA SELADA MERAH (Lactuca sativa var. crispa) Habiburahman; Fiana Podesta; Dwi Fitriani; Usman; Isnin Kurnia Safitri; Zeti Druvada
Agriculture Vol. 21 No. 1 (2026): Jurnal Agriculture
Publisher : Universitas Muhammadiyah Bengkulu

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Abstract

Keterbatasan lahan pertanian di perkotaan mendorong masyarakat mengembangkan sistem hidroponik sebagai alternatif budidaya tanaman, termasuk selada merah (Lactuca sativa var. crispa). Pertumbuhan selada merah secara hidroponik dapat dioptimalkan melalui pemberian zat pengatur tumbuh (ZPT) alami yang berasal dari bawang merah, air kelapa, tauge, dan pisang. Penelitian ini bertujuan menganalisis pengaruh jenis ZPT alami, konsentrasi, dan interaksi keduanya terhadap pertumbuhan selada merah. Penelitian dilaksanakan di Kelurahan Pasar Bengkulu, Kecamatan Sungai Serut, Kota Bengkulu, menggunakan Rancangan Acak Lengkap faktorial. Faktor pertama terdiri atas empat jenis ZPT alami, sedangkan faktor kedua terdiri atas konsentrasi 5%, 10%, 15%, 20%, dan 25%. Sebanyak 20 kombinasi perlakuan diulang tiga kali sehingga diperoleh 60 unit percobaan dengan total 120 tanaman. Hasil analisis sidik ragam menunjukkan bahwa jenis ZPT dan konsentrasi secara tunggal tidak berpengaruh nyata terhadap seluruh parameter. Namun, interaksi keduanya berpengaruh nyata terhadap jumlah daun pada 37 hari setelah tanam dan berpengaruh sangat nyata terhadap berat basah. Air kelapa konsentrasi 20% merupakan perlakuan terbaik, terutama pada parameter berat basah yaitu 63,50 g yang merupakan nilai berat basah tertinggi, dengan memiliki jumlah daun 11,83 helai. Kata Kunci: Hidroponik, Selada Merah, ZPT alami
Co-Authors Dwi Fitriani Isnin Kurnia Safitri Jafrizal Jafrizal Podesta, Fiana Rita Hayati Tegar D. Saputra Usman Zeti Druvada