Optimization of Concentration and Frequency of Liquid Organic Fertilizer Application on Cherry Tomato Plants (Lycopersicum esculentum var. Ruby) Growth and Yield
Abstract
Cherry tomatoes (Lycopersicum esculentum var. Ruby) represent a significant segment of global vegetable production. In Indonesia, there is a notable demand for cherry tomatoes, as they serve dual purposes: they can be enjoyed fresh as a dessert or thirst quencher, and they can also be incorporated into a variety of culinary dishes and beverages. Their distinctive flavor and appearance make them popular for diverse culinary applications. The economic potential of cherry tomatoes is substantial, driven by strong demand in both local and international markets. However, cherry tomato cultivation's low productivity levels do not match this high consumer interest. An alternative approach to enhance productivity is using liquid organic fertilizer (POC), which is rich in various macro and micronutrients. This research aims to assess the impact of different concentrations and application frequencies of Hantu POC on the growth and yield of cherry tomato plants. A factorial randomized block design was employed, focusing on two primary variables: the concentration of Hantu POC (0 ml/l, 5 ml/l, 10 ml/l, and 15 ml/l) and the frequency of application (every 4 days, 7 days, and 10 days). Key parameters measured included plant height, leaf count, fruit quantity, and weight. Findings indicated that a concentration of 10 ml/l applied every 7 days yielded optimal results. Conversely, extending the application beyond 7 days resulted in suboptimal outcomes, with an average plant height of 49.44 cm and a total fruit weight of 311.94 grams. This study underscores the importance of identifying Hantu POC's appropriate concentration and application frequency to enhance cherry tomato production and promote sustainable agricultural practices.
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