The role of the younger generation in improving quality in the agricultural sector has a very crucial role. However, nowadays soil fertility in Indonesia is decreasing day by day as agricultural land use becomes more intensive. So that young people's insight regarding environmentally friendly cultivation techniques through organic farming needs to be added and strengthened to create progress in the fields of agriculture and food security. The aim of this service activity is an effort to increase the younger generation's understanding of organic farming through counseling and creating demonstration plots for organic vegetable cultivation using vegetable pesticides and liquid organic fertilizer (POC) to increase agricultural products and stabilize the economy of the surrounding community. The activity method is carried out through counseling, socialization and direct practice through making demonstration plots. Counseling about organic farming and its impact on the environment. The demonstration plot focused on the correct working methods and techniques in organic farming through the application of liquid organic fertilizer (POC) and vegetable pesticides. Following this community service activity program, it shows that the knowledge and skills of the younger generation of farmers have increased regarding organic vegetable cultivation and the impact of organic farming on the environment.
Keyword: organic fertilizer, agriculture, demonstration plots, environment

Introduction: Water quality parameters are indicated by the presence of E. coli bacteria. These bacteria come from human feces, warm-blooded animals, and non-fecal coliforms. Decree of the Health Minister of the Republic of Indonesia Number 907/MENKES/VII/2002 concerning requirements and supervision of drinking water quality states that good drinking water has a zero total coliform and fecal coliform. Methods: This research uses a descriptive approach with a cross-sectional design. It aims to determine the quality of water sources in Sulkatan village. Ten (10) water sources were used as the samples using total sampling method. The collected samples were then taken to the laboratory to be tested with a series of MPN tests Results and Discussion: The results show that the amount of Escherichia coli bacteria in water samples in Sulkatan Village is 0MPN/100 ml. It is owing to the location of the water source that is far from industrial activities, household waste and residential areas. Conclusion: The quality of the tested well-water samples is good and within normal limits in accordance with the Decree of the Health Minister of the Republic of Indonesia Number 907/MENKES/VII/2002