Skripsi
BUDIDAYA SELADA MERAH (Lactuca sativa var. red rapid) TERAPUNG DENGAN MENGGUNAKAN BERBAGAI DESAIN RAKIT
Floating cultivation of red lettuce (Lactuca sativa var. red rapid) has potential as an alternative approach for utilizing suboptimal land, particularly lebak swamp areas. This study aimed to evaluate the effectiveness of different raft design in a floating cultivation system on the growth and yield of red lettuce (Lactuca sativa var. red rapid). The research was conducted at the reservoir of the Faculty of Agriculture, Universitas Sriwijaya, from September to December 2025. A Randomized Block Design (RBD) was applied with four raft design treatments: R1 (bamboo raft), R2 (gallon raft), R3 (bottle raft), and R4 (organic raft), each with three replications. Data were analyzed using analysis of variance (ANOVA), followed by the Least Significant Difference (LSD) test at the 5% significance level. The observed parameters included growth, morphological, physiological, and yield characteristics. The results indicated that raft designs significantly affected the growth and yield of red lettuce. Among the treatments, R2 (gallon raft) produced the best results in most parameters, including plant height, number of leaves, total leaf area, root length, as well as fresh and dry weights. This was likely due to its superior buoyancy and stability, which supported optimal root conditions. Therefore, the jerrycan raft can be considered the most effective design for floating cultivation of red lettuce in lebak swamp areas. Keywords: lebak swamp, suboptimal land, vegetable crop
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