Phosphate solubilizing bacteria and IAA-producing bacteria are bacteria that can help plant growth through their use by increasing the availability of phosphate (P) in the soil and helping plants absorb nutrients in the soil. This study aims to determine the effect of phosphate solubilizing bacteria and IAA-producing bacteria isolated from peat soil on the germination of corn (Zea mays L.) plants grown on peat soil.  This research was conducted from June to September 2023 with a completely randomized design (CRD). Testing the effect of phosphate-solubilizing and IAA-producing bacteria was carried out using the method of soaking seeds and watering bacterial suspensions on plants.  The results showed that A5 treatment had a significant effect on the number of leaves parameter, with A5 treatment (Bacillus cereus PF12, P13 and PF16 + Pseudomonas stutzeriIAA1) producing a germination percentage (100%), the number of leaves (5.09 strands) while the parameters of plant height and root length showed that all treatments were not significantly different.







 
 

This research analyzes the novel "Tenggelamnya Kapal Van Der Wijck" by Hamka using a literary psychology approach, specifically using the personality structure according to Sigmund Freud, namely Id, Ego and Superego. The research method used is an explanatory qualitative approach using data from the novel. Data collection techniques were carried out through skimming and notation to quote quotes that were relevant to the characters and conflicts in the novel. Content and discourse analysis is used to identify the main themes, conflicts and character development in the novel. The results of the analysis show the psychological conflict experienced by the main character, Zainuddin, in his interactions with his environment, as well as a deep inner conflict due to love that does not reach Hayati. This research provides a comprehensive understanding of the characters and dynamics in the novel. Thus, this research can contribute to further understanding of literary and psychological works, as well as their relevance in understanding the human condition in everyday life.