The Improvement of Soybean (Glycine Max L Merill) Plant Growth Using Cyanobacter Spirulina sp. Biomass as Foliar Fertilizer

• Main Author: - Nim: 11414040 , Yedida
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/31717
• Institution: Institut Teknologi Bandung

<p align="justify">Soybean is one of the legumes and the main source of protein and vegetable oil in the world. Indonesia's high demand for soybean cannot be fulfilled by local soybean farming so that its fulfillment is obtained from abroad. One way to deal with this is to increase production with an optimal fertilizer. In this research is done the effort of giving of natural foliar fertilizer which comes from microalga Spirulina sp. The study was conducted at ITB Jatinangor’s Screen House using dried Spirulina sp. with concentration 0 g/L, 20 g/L, and 40 g/L. The research was conducted using a Completely Randomized Design. Spirulina sp. with concentrations of 20, 40 and 0 g/L showing results for plant heights in sequence: 52.5; 50.6; and 50 cm, plant nodes of 6.7, 6.7, and 6.5, leaf area 19.3, 19, and 20, number of leaves 19, 19.4 and 19.7, flowering time 46.2, 45, 47.4 Days After Sowing (DAS), and total chlorophyll content are 28.4, 27, and 31 mg/L. Analysis using Analysis of Variance (ANOVA) showed the result that Spirulina sp. did not have a significant effect on soybean growth. This evidence is from the absence of a significant increase in flowering time, plant height, chlorophyll count, leaf number, leaf area, and the number of soybean plant nodes. Therefore, it can be concluded that the application of Spirulina sp. dry as much as 20 or 40 g/L did not give a real effect for the growth of soybean crop. <p align="justify">