Hydroponic technology is one way to grow crops on a small piece of land. Homes in urban areas can use this approach. The purpose of this community service is to increase the role of members of the Women Farmers Group (KWT) in the use of small urban yards using hydroponic technology, especially for KWT Agro 40 in Pilahan Village, Kotagede, Yogyakarta City. In this program, the empowerment of group members is achieved through counseling, training on demonstration plots, mentoring, oversight, and evaluation. Members of KWT Agro 40 are knowledgeable and skilled in using their yard to grow vegetables using hydroponic methods, allowing them to use their yard to improve family nutrition and income. This community service resulted in one hydroponic installation with the NFT system (Nutrient Film Technique) and 5 hydroponic installations with the wick system. Hydroponics technology made with the NFT system is placed in the group garden, while for hydroponics with the wick system it is placed in the group garden and in the homes of KWT members. The harvest from this hydroponic technology can meet the needs of healthy and nutritious vegetables and can reduce family expenses.

This research aims to know the consumer preference of foods, based on the level of sweet potato substitution of raw material for food product, and to know the profit of this product. Product of sweet potato substitution to be analyzed this research are pizza, brownies, and bread. To collect the sample the researcher conducted accidental quota sampling method. Data were collected from consumers who try the product. The consumers amounting to 60 people were required to fill the questioner (40 students of UMY, 10 Lecturers, and 10 staffs).On the basis of the research, it is revealed that pizza consumers are most likely to choose D substitution (80 % sweet potatoes 20% wheat), brownies consumers mostly prefers C substitution (60% sweet potatoes 40% wheat), and bread consumers mostly prefer on C substitution (60% sweet potatoes 40% wheat). This result is based on consumer preferences. This preference may be referred substance for the producer to release their product. Producing D substitution of pizza (80% sweet potatoes 20% wheat) can earn a profit of 72,1 %. For C substitution of brownies (60% sweet potatoes 40%w wheat) the profit is 95,4%. On the production of C substitution of bread, producers can get the profit of 110%.

People have found it challenging to meet their household necessities as a result of the restrictions imposed by the Covid-19 epidemic since their income has fallen while their needs have risen. The training on how to make nuggets from a variety of food ingredients for personal use and can be used as an effort to raise family income is the purpose of this community service. The variety of these nuggets will meet the tastes of family members and consumers. This service activity was carried out for members of the Women Farmers Group (KWT) Mina Julantoro, Gedongkiwo Village, Mantrijeron Yogyakarta. Methods in this service activity include counseling, training and mentoring, monitoring and evaluation. The KWT members were incredibly enthused about taking part in the program. The KWT members also prepared nuggets at home using a variety of ingredients after the training. It is intended that the community can use its abilities to create a business that produces this variety of nuggets through home companies that can improve nutrition and family income.