RESPON PERTUMBUHAN DAN HASIL TANAMAN SELADA (Lactuca sativa L.) DI POLYBAG AKIBAT BERBAGAI TINGKAT KONSENTRASI POC (LIMBAH CAIR TAHU)

SARI, DEVI ANJAR (2026) RESPON PERTUMBUHAN DAN HASIL TANAMAN SELADA (Lactuca sativa L.) DI POLYBAG AKIBAT BERBAGAI TINGKAT KONSENTRASI POC (LIMBAH CAIR TAHU). S-1 thesis, 021008 Universitas Tridinanti.

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Abstract

ABSTRAK DEVI ANJAR SARI. Respon Pertumbuhan dan Hasil Tanaman Selada (Lactuca sativa L.) di Polybag Akibat Pemberian Berbagai Tingkat Konsentrasi POC (Limbah Cair Tahu) . Dibimbing oleh Hj. YULIANTINA AZKA dan RIDWAN HANAN. Penelitian ini bertujuan untuk mengkaji respon tanaman selada (Lactuca sativa L.) akibat pemberian berbagai tingkat konsentrasi POC (Limbah Cair Tahu) di polybag. Peneletian ini telah dilaksanakan dari bulan Juli 2025 hingga September 2025 di Kebun Percobaan, Fakultas Pertanian, Universitas Tridinanti, yang terletak di Desa Semambu, Kecamatan Indralaya Utara, Kabupaten Ogan Ilir, Provinsi Sumatra Selatan. Metode percobaan yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan lima perlakuan dan lima ulangan. Perlakuan yang diberikan adalah P0 = tanpa POC (kontrol), P1 = POC (limbah cair tahu) dosis 125 ml/l air, P2 = POC (limbah cair tahu) dosis 250 ml/l air, P3 POC (limbah cair tahu) dosis 375 ml/l air, P4 = POC (limbah cair tahu) dosis 500 ml/l air. Setiap satuan percobaan terdiri dari tiga tanaman sampel, Parameter yang diamati meliputi tinggi tanaman (cm), jumlah daun (helai), berat berangkasan basah (g) dan berat berangkasan kering (g). Hasil penelitian menunjukkan bahwa aplikasi POC (limbah cair tahu) berpengaruh tidak nyata terhadap pertumbuhan dan berat berangkasan kering tanaman selada. Namun berpengaruh nyata terhadap berat berangkasan basah tanaman selada (Lactuca sativa L.). Pemberian tingkat konsentrasi 250 ml POC (limbah cair tahu)/l air menghasilkan tinggi tanaman 12,65 cm, jumlah daun 4,9 helai, berat berangkasan basah tanaman selada sebesar 8,50 g dan berat berangkasan kering sebesar 0,47 g. Kata kunci : Selada, POC, Limbah Cair Tahu, vi ABSTRACT DEVI ANJAR SARI. Growth and Yield Response of Lettuce (Lactuca sativa L.) in Polybags to Various Concentration Levels of Liquid Organic Fertilizer (Tofu Wastewater). Supervised by Hj. YULIANTINA AZKA and RIDWAN HANAN. This study aimed to examine the growth and yield response of lettuce (Lactuca sativa L.) to various concentration levels of liquid organic fertilizer (LOF) derived from tofu wastewater in polybags. The research was conducted from July 2025 to September 2025 at the Experimental Garden of the Faculty of Agriculture, Tridinanti University, located in Semambu Village, North Indralaya District, Ogan Ilir Regency, South Sumatra Province. The experimental method employed was a Randomized Block Design (RBD) with five treatments and five replications. The treatments applied were: P0 = no LOF (control); P1 = LOF (tofu wastewater) at a dosage of 125 ml/L of water; P2 = LOF (tofu wastewater) at a dosage of 250 ml/L of water; P3 = LOF (tofu wastewater) at a dosage of 375 ml/L of water; and P4 = LOF (tofu wastewater) at a dosage of 500 ml/L of water. Each experimental unit consisted of three sample plants. The parameters observed included plant height (cm), number of leaves, fresh plant biomass weight (g), and dry plant biomass weight (g). The research results indicate that the application of liquid organic fertilizer (tofu wastewater) had no significant effect on the growth and dry biomass weight of lettuce plants. However, it had a significant effect on the fresh biomass weight of the lettuce plants (Lactuca sativa L.). Application at a concentration of 250 ml of liquid organic fertilizer (tofu wastewater) per liter of water resulted in a plant height of 12.65 cm, a leaf count of 4.9, a fresh biomass weight of 8.50 g, and a dry biomass weight of 0.47 g. Keywords: Lettuce, LOF, Tofu Wastewater.

Item Type:	Thesis (S-1)
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Fakultas Pertanian > S1 Argoteknologi
Depositing User:	Ny DEVI ANJAR SARI
Date Deposited:	30 Sep 2026 06:34
Last Modified:	30 Sep 2026 06:34
URI:	http://repository.univ-tridinanti.ac.id/id/eprint/11520

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