Effectiveness of Azolla LOF on the growth and production of leek plants (Allium fistulosum L.) and pakcoy plants (Brassica rapa L.)
Abstract
Scallions (Allium fistulosum L.) are a type of vegetable from the onion group that is commonly used in cooking. In Indonesia, scallions have been cultivated for a long time along with other types of commercial vegetables. Pakcoy (Brassica rapa L.) is a vegetable plant that has its appeal among the people of Indonesia and the world, thus increasing its commercial value. This study aims to determine the growth and production of scallions (Allium fistulosum L.) and pakcoy (Brassica rapa L.) plants using Azolla Liquid Organic Fertilizer (LOF). This research was conducted from November 2024 to January 2025 at the Pakkea Experimental Garden, Faculty of Agriculture, North Toraja Regency. This study is a single-factor study designed with a Randomized Block Design (RAK) with four treatment levels. Data were analyzed using analysis of variance (ANOVA) to determine the significant differences in the average treatment, followed by the Least Significant Difference (LSD) test at the 5% level. The treatments given were P0 = 0 ml/L solution, P1 = 100 ml/L solution, P2 = 200 ml/L solution, and P3 = 300 ml/L solution. The results showed that the treatment of 300 ml/L solution (P3) gave the best results in all observation parameters, namely with an average height of spring onion plants 42 days after planting (47.17 cm) and pakchoy plants (26.12 cm), number of leaves of spring onion plants 42 days after planting (22.56 strands) and pak choy plants (20.22 strands), diameter of spring onion plant stems 42 days after planting (60.21 mm), wet weight of spring onion plants 42 days after planting (140.67 g) and pak choy plants (396.00 g), and the number of shoots per plant in spring onion plants as much as 6.67. These results indicate that Azolla LOF contains essential nutrients such as nitrogen, phosphorus, and potassium, as well as organic compounds that support the growth of spring onions and pakchoy plants. Thus, the use of Azolla liquid organic fertilizer can be an alternative to natural liquid organic fertilizer that is more environmentally friendly and sustainable in cultivating spring onions and pakcoy plants.
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