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This study aims to determine the effect of shoot pruning and the application of MKP (Monopotassium Phosphate) foliar fertilizer on melon seed production (Cucumis melo L.) in a hydroponic system. The study was conducted in Jember, East Java, using a randomized block factorial design (RAK) involving two treatment factors: shoot pruning (C1: no pruning, C2: pruning at the 20th node, C3: pruning at the 25th node) and MKP foliar fertilizer application (M1: 3 g/liter, M2: 5 g/liter), with four replicates. The parameters observed included fruit weight, number of viable seeds per fruit, fruit diameter, and weight of 1000 seeds. The results showed that pruning at the 20th node and applying a concentration of 5 g/liter of MKP (C2M2) yielded the highest results in terms of fruit weight (583,585 grams), fruit diameter (10,527 cm), and weight of 1000 seeds (18,057 grams). Meanwhile, pruning at the 20th node and applying a concentration of 3 g/liter of MKP (C2M1) produced optimal results for the parameter of number of viable seeds per fruit, which was 325,750 seeds.

A research project entitled Optimisation of Gandasil D Use to Increase Kale (Barassica Oleracea Var. Acephala) Productivity in Hydroponic Systems was conducted at the Pakkea Experimental Garden, Faculty of Agriculture, North Toraja Regency, from March to June 2025. This research project aims to determine the response of Ab mix nutrients and Gandasil D fertiliser in the DFT system to the growth and production of kale plants. The method used in this study was a randomised block design (RAK) with 6 levels of Gandasil D concentration. (KO = Control), (K1 = 0.5 grams/litre of water), (K2 = 1 gram/litre of water), (K3 = 1.5 grams/litre of water), (K4 = 2 grams/litre of water), (K5 = 2.5 grams/litre of water) with 3 replications and with AB MIX concentrations, 0 to 7 days after planting = 400 ppm, 8 to 14 days after planting = 600 ppm, 15 to 21 days after planting = 800 ppm, 22 to 28 days after planting = 1000 ppm, 29 to 35 days after planting = 1200 ppm, 36 days and onwards until harvest = 1500 ppm. The variables observed in this study were plant height, leaf length, leaf width, number of leaves, and plant stem diameter. The results showed that a concentration of Gandasil D 2.5 grams/litre of water gave the best results with an average plant height of 37.93 cm, 12.56 leaves, leaf length of 24.16 cm, leaf width of 14.31 cm, stem diameter of 11.69 mm, and harvest weight of 232.89/plant. The data were analysed using analysis of variance (ANOVA) and followed by a post hoc test at a significance level of 0.05. The analysis of the feasibility of farming showed an R/C ratio of 1.03, which means that kale cultivation using a hydroponic system and the aforementioned nutrient concentration is feasible and profitable.

The Covid19 pandemic had a major impact on the weakening of Indonesia's economic sector, including Small, Micro and Medium Enterprises (MSMEs). The MSME sector is one of the sectors that makes a major contribution to the national economy so it needs to rise during the current Covid19 pandemic. Jambewangi Village is a village located in Sempu District, Banyuwangi Regency, East Java Province. The area of Jambewangi Village is 1,422 Ha / m2 divided into six hamlets including Krajan Hamlet, Panjen Hamlet, Parastembok Hamlet, Sumberjo Hamlet, Tlogosari Hamlet, and Sidomulyo Hamlet. In Jambewangi Village, it has an interesting landscape, such as a homogeneous forest in the form of pines, the confluence of tributaries with branches, a large expanse of rice fields, as well as fields and plantations. The area of Jambewangi Village is at an altitude of 340-800 masl so it has cool air and is good for growing various kinds of fruits and vegetables.

This study aims to analyze the 4P marketing mix (Product, Price, Place, Promotion) in hydroponic lettuce marketing at SMA Negeri 1 Karangnunggal. The method used is descriptive qualitative with case studies through observation and interviews. The results of the study indicate that the 4P marketing mix emphasizes products that have good quality such as good lettuce color and shape, the use of good seeds to produce good products. The price of the product has an affordable price which is relatively cheap for premium quality and offers discounts for large purchases. In easily accessible marketing places such as buyers can visit the place of sale directly or orders can be delivered to buyers directly. As well as the promotion methods carried out offline and online through social media.

This research was conducted on Jalan Tampok, Tanjung Selamat Village, Sunggal District, Deli Serdang Regency, North Sumatra. A non-factorial Randomized Block Design  was used, consisting of only one factor, with five treatments and four replications: 0, 1, 2, 3, and 4 liters of coconut water fertilizer. The results showed that the use of coconut water fertilizer had no significant effect on plant height 1, 2, and 3 weeks after planting, and fruit weight per plot. However, it had a highly significant effect on plant height 4 and 5 weeks after planting, stem diameter, number of leaves, and root length.   In general, increasing the dosage of coconut water POC tends to result in a better growth response during the vegetative phase of the plant. This suggests that the natural hormones in coconut water can support plant cell division and elongation. However, plant response to treatment is still influenced by environmental factors and dosage, so not all parameters show a significant effect. Further research is needed to determine the optimal dosage that is more effective on production yields.

The rapid advancement of technology is evidenced by numerous innovations that simplify human tasks, particularly in the agricultural sector. Various farming methods are offered to produce fruits and vegetables without using chemical pesticides. Hydroponic techniques have been implemented to maximize crop yields without the use of chemicals in the plant care process. The community in Barean Village, Ploso, Pacitan Regency still relies on conventional farming methods. Conventional farming methods, apart from requiring large areas, also have adverse environmental and health impacts due to the use of chemical pesticides. Farmer have to spend quite a lot of capital to provide large amounts of fertiliser to treat the plants in their fields. The results obtained from conventional farming methods are not worth the capital spent. Hydroponic farming metode is an agricultural method that uses water as a growing medium. This method is recognised as an environmentally friendly method, as it uses water and nutrient solutions as a substitute for nutrients found in soil. Autor introduces hydroponic cultivation methods to the public through a digital platform. People from all walks of life can learn farming techniques using the hydroponic method, as it is more visually appealing, and can be operated interactively. Hydroponic techniques can be effectively learned through this 2D interactive media, which provides comprehensive knowledge about the hydroponic method, equipment, materials, and proper cultivation methods. The final section of this interactive media features a simple quiz to assess knowledge for novice farmers. The design of 2D Interactive Based Hydroponic Farming Learning Media is expected to be an attraction for the community in the field of agriculture. The development of this 2D Interactive Hydroponic Farming Educational Media is intended to serve as a solution for hydroponic cultivation education, thereby maximizing agricultural productivity.

Technological developments in the agricultural sector, especially in the hydroponic method, provide solutions for optimizing plant growth in urban environments. This research integrates ESP32 microcontroller technology with a DS18B20 temperature sensor and TDS sensor to monitor and control temperature and nutrient quality in a hydroponic system. In addition, the Sugeno fuzzy logic method is used for automatic water quality monitoring.

Hydroponic plant cultivation is booming, but stock and sales are hard to predict. Poor prediction can cause farmers to overstock and lose money. This study suggests a framework that uses several machine learning models, including Linear Regression (LR), Random Forest (RF), Decision Tree (DT), and Extreme Gradient Boosting. "Ensemble Learning," which combines these models, should yield more accurate and generalizable results than a single model. This framework is assessed using historical hydroponic plant sales data and related factors like price, weather, and market trends. The model's performance is measured by the difference between predictions and actual values using RMSE and MAE metrics. This framework should improve hydroponic plant stock and sales predictions. Farmers can make better production, inventory, and harvest distribution decisions. Besides reducing financial losses, this reduces food waste and improves food security.

The tourism sector in Indonesia is growing rapidly thanks to the abundant natural, social, cultural and regional potential. One educational tourist attraction that is currently developing is Arjuna Farm in Tasikmalaya City, which offers the concept of integrating the agricultural and fisheries sectors with the application of IoT (Internet of Things) technology. This research aims to analyze the application of IoT technology to support hydroponic production management at Arjuna Farm, especially in increasing the effectiveness, efficiency and quality of agricultural products. The research used a case study approach with a qualitative descriptive method, involving direct observation, in-depth interviews with the main managers (Mr. Andi and Mrs. Selvi), as well as analysis of secondary data from various literary sources. The research location was chosen by purposive sampling, located at Jalan Situ Cibereum, Tamanjaya, Tamansari, Tasikmalaya City, during November 2024. The research results show that POAC (Planning, Organizing, Actuating and Controlling) based management is implemented well, supported by IoT systems such as automatic watering, drip irrigation. This technology enables efficient and real-time production management, thereby maintaining the quality and sustainability of harvests, as well as increasing the attractiveness of Arjuna Farm as an educational tourist attraction based on modern technology.

Increasing population density and concretization in urban areas, such as Magelang City, have caused a significant decrease in green open spaces (RTH), which has an impact on food security and independence. Magelang City, with a population density of 7,361 people/km², faces a major challenge in providing adequate green spaces to support local food production. Rejowinangun Selatan Village, as one example, shows the limited green open spaces available. To overcome this problem, urban farming, especially through hydroponic techniques, offers an effective solution. The methods applied in this community service include various approaches to educate and directly involve the community in the practice of making hydroponics with solar panels. By utilizing renewable energy-based technology, such as solar panels and integrated electrical systems, hydroponic farming allows food production in limited spaces such as house terraces. This system not only increases food independence and security, but also ensures that the vegetables produced are healthier because of the minimal use of pesticides. Urban farming with the hydroponic method can optimize the use of limited space and become a productive and sustainable alternative for urban communities.

This research is intended to identify the effects of nitrogen fertilizer on fresh production., dry material production  (DM ), organic mater production  ( OM ) crude pretein (CP) fodder mayze (zea  mays). This research was carried out in the field lab of animal science departemen, Faculty of health and science, University Nusamara PGRI Kediri. research design in this study use a complete random design 4 treatment with 5 replicated. Treatment use concentration nitrogen fertilizer (T0 = 0 ml / l) ,( T1 =0.8 ml / l ), (T2 =1.6 ml / l ), (T3 =2.4 ml / l ). Studies show that different levels of nitrogen fertilizer can affacted to DM production (p < 0.01 ), OM production (p < 0.01 ) and CP production (p < 0.01) maize fodder (zea mays ).The conclusion of this study is that the use of different doses of nitrogen fertilizer has an effect on the production aspect of maize fodder (Zea mays )

Hydroponic plants are plants that grow using hydro or water media. This plant is more efficient in saving space, soil media and fertilizer and so on. This community service research aims to describe strategies for improving the economy of PKK mothers by implementing the idea of hydroponic plants in Pertanmaduretno Village, Taman District, Sidoarjo Regency. The author used descriptive qualitative research with observation and documentation data collection techniques at the research location. Data analysis techniques use data collection, data presentation, data condensation, and data conclusion. The results of the research show that the hydroponic plant strategy is effective in improving the economy of PKK mothers. The author participated in observing and playing a direct role in planting hydroponic plants.

The residents of RW 05 Jomblang, Candisari District, Semarang City, are increasingly concerned about the impact of plastic waste on the environment. As a solution, used plastic bottles are being utilized as planting media in hydroponic techniques by MBKM students from various universities, such as UPN "Veteran" East Java, Padjadjaran University, and Semarang State University. This utilization of plastic bottles reduces waste while supporting sustainable agriculture by minimizing the use of land and water. The program raises community awareness about eco-friendly urban farming, focusing on water efficiency and quick harvesting processes. Education includes basic hydroponic techniques and their implementation using used bottles, which has been met with active community participation. Evaluations show tangible results, such as pakcoy plants being distributed to participants. Discussions with the RW 05 Chairman reveal significant benefits for the community in utilizing used items for agriculture. This program strengthens the community and suggests further development to enhance local food security and environmental awareness, as well as motivate the adoption of modern agricultural technologies

The growth of the urban population has led to a shortage of agricultural land. This has led to an increase in urban agriculture, including hydroponics. The purpose of this research is to find out the partnership mechanism between hydroponic family farm and PT Puspa Agro Farm Sukabumi. This research uses descriptive analysis method found that the partnership between hydroponic family farm and PT Puspa Agro Farm is plasma core pattern. This pattern describes the assistance to hydroponic family farms from PT Puspa Agro farm. This is done to produce high quality plants and meet the criteria.  The types of plants are pakcoy mustard, pagoda mustard, curly lettuce, and romaine lettuce for each plant. Family farms establish partnership relationships through the Inti-plasma mechanism. The partner company guides the production process of partner farmers so that they can provide quality vegetables in accordance with the SOPs that are applied. The partnership pattern between Family Farm and PT Puspa Agro is a core-plasma mechanism. The plants produced are pakcoy mustard, pagoda mustard, curly lettuce and roamine lettuce. The benefits of the nucleus-plasma partnership pattern are that it can improve in economic and technical terms. Family Farm plants are of high quality and can meet consumer criteria.

This service aims to introduce a hydroponic vegetable cultivation system using the wick method in Sungai Pagar Village. The environment in Sungai Pagar Village is characterized by sandy soil due to the accumulation of peat soil, so plant cultivation activities are still limited. In this context the wick method is adopted as a relevant solution. Training activities were carried out through several stages, including field surveys, delivery of materials, sowing seeds, making AB mix nutrition, making a hydroponic wick system from used plastic bottles, and monitoring and evaluation. The results of the training showed an increase in participants' knowledge about hydroponic cultivation and their abilities in caring for hydroponic plants. Each training participant succeeded in making a hydroponic wick system using used plastic bottles and was given a hydroponic cultivation package to continue cultivation at home. In order to improve food security and the community's economy, this training made a positive contribution by introducing an environmentally friendly and hydroponic vegetable cultivation system. efficient. In conclusion, this training was successful in introducing and training the public in hydroponic vegetable cultivation using the wick method.

In Indonesian education system, junior high schools have an important role in the growth and development of students who are in the teenage age range. Therefore, a community service program was carried out, Solar Hydroponic Training as a Learning Media for Muhammadiyah 5 Karanggeneng Middle School Students. This activity aims to train students at SMP Muhammadiyah 5 Karanggeneng in optimally utilizing the school environment's natural resources by managing solar powered hydroponic plantations, which in the process can become an effective student learning medium to increase students' insight and skills. This training was carried out for 4 months with various training methods which included counseling, demonstrations and direct practice carried out during the implementation process which included the socialization stage, seeding training, system installation and transplanting, cultivation assistance, harvest & post-harvest assistance and evaluation. The target of this activity is all students of SMP Muhammadiyah 5 Karanggeneng, totaling 42 students with the assistance of 2 teachers. During implementation, this program has achieved all the specified targets, including the establishment of a hydroponic green area that can be managed by students, which in the process has increased students' knowledge about hydroponic concepts and renewable technology, this is supported by the results of direct evaluations with teachers. companion along with the results of a comparison of post test and pretest scores which were quite significant.

In agriculture with the hydroponic method of the DFT system (Deep Flow Technique), the circulation of plant nutrients must occur continuously to prevent decay in plants. Along with the many concerns due to the large electricity costs incurred to run the irrigation system for hydroponic plants, the authors hereby design a tool in the form of a submersible pump as a medium for regulating the flow of water in plants by utilizing a 50 WP PV module instead of a source of electrical energy from PLN. The method used in this research is the method of observation, literature study, design, and testing. The results of the 50 WP solar panel-based submersible pump trial show that a circuit connected to a battery at 1M Head tends to produce a stable water discharge, which is an average of 6.03 liters/minute compared to one that is not connected to a battery, which is only 5.28 liters/minute. Furthermore, the resulting water discharge affects the quality of the plants, especially in root length, number of leaves, leaf length, and leaf size. The test results are used as a reference for the comparison of expenditure costs between irrigation systems run using solar cells and those based on conventional (PLN).

Elderly people are those who have reached the age of 60 years or more who need activities to avoid experiencing dementia, the elderly have socio-psychological problems related to stress, loneliness and mental problems. So the PKM-PM team at Slamet Riyadi University, Surakarta, provided an activity to make the elderly productive through skills activities at the Widhi Asih Nursing Home, Surakarta. The methods applied in this activity include: (1) providing information related to the skills activities carried out (2) preparing the main materials and skills framework, (3) making craft skills from plastic spoons, used cardboard and flannel, (4) process final completion of skills and monitoring with the elderly. The result of the service is that seniors are able to participate in craft skills activities from start to finish with enthusiasm. Skills activities can fill the elderly's free time thereby suppressing dementia. Activities can be developed with creativity, new skills according to the abilities and desires of the elderly. This service has achieved the expected results and the sustainability of this program continues to be carried out through monitoring pattern.  

Aquaponics is a combined system of fish farming techniques and hydroponic plant cultivation. Fish manure and feed residues are very dependent on the supply of nutrients in the aquaponic system of red tilapia (Oreochromis niloticus) aquaculture. The level of production of vegetable crops in a certain area is also influenced by the total nutrient input ratio of feed to domestic fish per day. The aquaponic system utilizes optimum water supply for each commodity by utilizing a recirculation system. The type of fish used is fish that live in freshwater, a type of tilapia. Fish farming includes the maintenance of fish, which pays attention to the growth and development of fish. Hydroponics itself is a way of farming without using soil as a medium but using water which contains controlled nutrients containing the essential elements needed for plant growth. The location of this research was conducted in Losari Village, Kec. Gondang, Kab. sleepy. It aims to increase the demand for vegetables, limited land and space, efficiency in land use, and decoration. In addition, this cultivation system allows for increased production of cultivated products with limited land and water sources, and creates its own beauty. (9 pt).  

Learning Media applications that use an Android-based material delivery system are expected to facilitate the delivery of material, where previously material was only found in books and the internet. Learning materials that only come from books reduce the reader's understanding because there are only text and pictures. This is what underlies the selection of the thesis title "Application of Android-Based Hydroponic Vegetable Growing Learning Media Application" in the hope that it can be a solution to help people who take part in the training understand material about growing vegetables by hydroponics.Hydroponics is an agricultural activity carried out by using water as a medium to replace soil. So, hydroponics can be interpreted as a work or management of water as a medium for plant growth without using soil media as a planting medium and taking the required mineral nutrients from a nutrient solution dissolved in water. The learning media application for growing hydroponic vegetables based on Android is limited to material on hydroponics, planting media and tools used in hydroponics, the steps needed for hydroponic farming, systems or techniques that exist in hydroponics.