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Abstrak (Bhs. Indonesia)

Penelitian bertujuan untuk mengetahui respon pertumbuhan, fisiologi, dan hasil tanaman selada hidroponik wick system terhadap pengurangan konsentrasi nutrisi AB mix, penambahan jenis POC urine kelinci, dan interaksinya. Penelitian ini menggunakan metode Rancangan Acak Kelompok Lengkap (RAKL) yang terdiri dari 2 faktor. Faktor pertama adalah pengurangan konsentrasi nutrisi AB mix yang terdiri dari 3 taraf yaitu pengurangan konsentrasi nutrisi AB mix 0%, pengurangan konsentrasi nutrisi AB mix 25%, dan pengurangan konsentrasi nutrisi AB mix 50%. Faktor kedua adalah penambahan jenis POC urine kelinci yang terdiri dari 4 taraf yaitu tanpa POC, POC urine kelinci + tanaman azolla, POC urine kelinci + daun kipahit, dan POC urine kelinci + daun trembesi. Variabel yang diamati pada penelitian ini, meliputi tinggi tanaman dan jumlah daun (7, 14, 21, 28, dan 35 HST), luas daun, panjang akar terpanjang, volume akar, tingkat kehijauan daun, kandungan klorofil, kerapatan stomata, lebar bukaan stomata, bobot tajuk segar, bobot tajuk kering, bobot akar segar, bobot akar kering, bobot brangkasan segar, bobot brangkasan kering, dan indeks panen. Data yang diperoleh dianalisis menggunakan analisis ragam (ANOVA) uji F pada taraf 5%. Apabila signifikan, dilakukan uji lanjut DMRT (Duncan Multiple Range Test) pada taraf 5%. Hasil penelitian menunjukkan bahwa pengurangan konsentrasi nutrisi AB mix 0% dan POC urine kelinci + tanaman azolla dapat meningkatkan pertumbuhan, fisiologi dan hasil tanaman selada hidroponik wick system. Terjadi interaksi antara pengurangan konsentrasi nutrisi AB mix dan penambahan jenis POC urine kelinci terhadap pertumbuhan, fisiologi, dan hasil tanaman selada hidroponik wick system pada variabel jumlah daun 28 HST dan luas daun.

Abtrak (Bhs. Inggris)

The research aims to determine the response of growth, physiology, and yield of hydroponic wick system lettuce plants to reducing the AB mix nutrient concentration, adding rabbit urine POC types, and their interactions. This research used the Complete Randomized Block Design (RAKL) method which consisted of 2 factors. The first factor is reducing the AB mix nutrient concentration which consists of 3 levels, namely reducing the AB mix nutrient concentration by 0%, reducing the AB mix nutrient concentration by 25%, and reducing the AB mix nutrient concentration by 50%. The second factor is the addition of the type of rabbit urine POC which consists of 4 levels, namely without POC, rabbit urine POC + azolla plant, rabbit urine POC + kipahit leaves, and rabbit urine POC + trembesi leaves. The variables observed in this study included plant height and number of leaves (7, 14, 21, 28, and 35 HST), leaf area, longest root length, root volume, leaf greenness, chlorophyll content, stomata density, stomatal opening width. , fresh shoot weight, dry shoot weight, fresh root weight, dry root weight, fresh stover weight, dry stover weight, and harvest index. The data obtained were analyzed using analysis of variance (ANOVA) F test at the 5% level. If significant, a further DMRT (Duncan Multiple Range Test) test is carried out at the 5% level. The results of the research show that reducing the nutrient concentration of AB mix 0% and POC rabbit urine + azolla plants can increase the growth, physiology and yield of hydroponic wick system lettuce plants. There was an interaction between reducing the nutrient concentration of the AB mix and adding the type of rabbit urine POC on the growth, physiology and yield of hydroponic wick system lettuce plants on the variable number of leaves at 28 DAT and leaf area.

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