The potential of ketapang leaves as an organic material for supplying nutrients to lettuce plants through composting is being investigated in this study. The objective is to assess the impact of different dosages of ketapang leaf compost on nutrient content in peat soil and the growth of lettuce plants. The research was conducted between April and June 2020 at the Compost House and Experimental Field of the Faculty of Agriculture. The study utilized a completely randomized design (CRD) with four treatments: 0, 6.5, 13, and 19.5 tons/ha of ketapang leaf compost. Various variables were observed, including the nutrient content of ketapang leaf compost, nutrient content in peat soil after compost application (pH, nitrogen, phosphorus, and potassium), and lettuce plant growth indicators (plant height, leaf length, leaf width, number of leaves, and wet plant weight). The findings indicated that the ketapang leaf compost met the quality standards outlined by SNI, with the exception of pH. The application of ketapang leaf compost enhanced the availability of nutrients (pH, nitrogen, phosphorus, and potassium) in peat soil and promoted the growth of lettuce plants, as evidenced by improvements in plant height, leaf length, leaf number, leaf width, and wet plant weight. The optimal dosage of ketapang leaf compost for promoting lettuce plant growth was determined to be 6.5 tons/ha
CITATION STYLE
Aryanti, E., Putri, D., & Septirosya, T. (2023). Pemanfaatan Kompos Daun Ketapang Sebagai Sumber Hara Pada Tanaman Selada (Lactuca sativa L.) di Tanah Gambut. Agropross : National Conference Proceedings of Agriculture, 386–395. https://doi.org/10.25047/agropross.2023.509
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