PEMBERIAN PUPUK ORGANIK CAIR LIMBAH BUAH PEPAYA CALIFORNIA (Carica papaya L.) DAN KULIT BAWANG MERAH (Allium ascolonicum L.) PADA TANAMAN SELADA (Lactuca sativa Var. Grand rapids)

ROUDOH, LIAWATI (2022) PEMBERIAN PUPUK ORGANIK CAIR LIMBAH BUAH PEPAYA CALIFORNIA (Carica papaya L.) DAN KULIT BAWANG MERAH (Allium ascolonicum L.) PADA TANAMAN SELADA (Lactuca sativa Var. Grand rapids). Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRAK Pupuk organik cair limbah buah pepaya california dan kulit bawang merah merupakan salah satu POC yang memiliki nilai organiktinggi dan juga mengandung unsur hara makro dan mikro yang berpotensi memperbaiki struktur tanah dan membantu proses pertumbuhan tanama. Tujuan penelitian untuk mengetahui pengaruh dan konsentrasi paling optimal pemberian pupuk organik cair buah pepaya california (Carica papaya L.) dan kulit bawang merah (Allium ascolonicum L.) terhadap pertumbuhan tanaman selada (Lactuca sativa Var. Grand rapids.). Peneliti ini menggunakan 6 perlakuan, perlakuan KN (kontrol negatif 100% air sumur), KP (kontrol positif pupuk NPK), P1 (70% poc limbah +30% air sumur), P2 (60% poc limbah + 40% air sumur), P3 (50% poc limbah + 50% air sumur), dan P4 (40% poc limbah + 60% air sumur). Parameter yang diamati meliputi; tinggi tanaman, lebar daun, jumlah daun, panjang daun, panjang akar, berat basah tanaman, berat kering tanaman, berat basah akar berat kering akar. Desain penelitian menggunakan rancangan acak kelompok (RAK). Data dianalisis dengan uji prasyarat analisis terdiri dari uji normalitas dan uji homogenitas, uji ANOVA (analisis of varian) dan terakhir uji BNT/LSD. Hasil penelitian menunjukkan adanya pengaruh nyata pada setiap pertumbuhan tanaman selada. Konsentrasi optimal pemberian POC terletak pada perlakuan P3 (50%). Kata Kunci: Kulit Bawang Merah, Limbah Buah Pepaya, Pupuk Organik Cair, Selada iii ABSTRACT One of the POCs with a high organic value and a concentration of macro- and micronutrients with the ability to enhance soil structure and facilitate plant growth is a liquid organic fertilizer made from shallot peel and papaya fruit waste California. The goal of the study was to ascertain the impact and ideal concentration of papaya california (Carica papaya L.) and shallot peel (Allium ascolonicum L.) liquid organic fertilizer on the growth of lettuce (Lactuca sativa Var. Grand rapids.). This study employed six different treatments: KN (negative control, 100% well water), KP (positive control, NPK fertilizer), P1 (70 percent poc waste plus 30 percent well water), P2 (60 percent poc waste plus 40 percent well water), and P3 (50 percent waste poc plus 50 percent well water) and P4 (40 percent poc waste plus 60 percent well water). The following parameters were measured: plant height, leaf breadth, number of leaves, leaf length, root length, plant wet weight, dry weight, and root wet weight. A randomized block design was adopted in the investigation (RAK). The data were examined using the analytical precondition test, which included the homogeneity and normality tests, the analysis of variance test (ANOVA), and ultimately the BNT/LSD test. The outcomes demonstrated that each lettuce plant's growth was significantly impacted. The P3 treatment contains 50% of the recommended POC. Keyword: Lettuce, Liquid Organic Fertilizer, Papaya waste, and Shallot Peel

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