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Soybean is an important food commodity in Indonesia because it is the main raw material for tofu and tempeh, two major protein sources widely consumed by the population. However, domestic soybean production remains far below national demand resulting in heavy dependence on imports. In contrast maize is increasingly preferred by farmers due to its higher productivity and a more stable economic value. Therefore, maize–soybean intercropping has emerged as a promising strategy to improve land-use efficiency while increasing soybean production without reducing maize cultivation. This study systematically mapped and synthesized maize–soybean intercropping research in Indonesia and conducted a meta-analysis of Land Equivalent Ratio LER values reported across studies. Literature searches using Scopus, Web of Science, and Google Scholar identified 179 eligible publications published between 1978 and 2023. Most studies focused on agronomic factors such as variety selection spacing arrangement and fertilizer management. Meta-analysis showed average LER values of 1.47 ± 0.046 for maize–soybean intercropping and 1.36 ± 0.081 for maize–mung bean intercropping indicating advantages over monoculture systems. However, inconsistencies in methodology and reporting standards limited study comparability and sustainability assessments. Future research should integrate ecological, social, and long-term economic indicators alongside standardized reporting frameworks to strengthen evidence-based intercropping recommendations nationally for sustainable agriculture.

Tofu is one of the most widely consumed foodstuffs in Indonesia, enjoyed by nearly all social groups due to its affordability, nutritional value, and availability. As a processed product derived from soybeans, tofu has been an integral part of Indonesian diets for generations, with its consumption evenly distributed across regions. This study focuses on analyzing tofu consumption patterns in the Tenggarong sub-district, Kutai Kartanegara Regency, while specifically examining the influence of tofu and tempeh prices on tofu demand. Tempeh is included in the analysis as a comparative product due to its similarity in raw materials and market segment. The research employs a quantitative approach using multiple linear regression to determine the effect of the independent variables—price of tofu (X1) and price of tempeh (X2)—on the dependent variable, tofu demand (Y). Data were collected from relevant local sources through market surveys and secondary data records. The results indicate that both X1 and X2 have a measurable influence on Y, as reflected in the regression equation: Y = -50,178.37 + 20.48X1 + 2,488.09X2. The positive coefficient for tofu price suggests that, contrary to typical demand theory, an increase in tofu price in this specific market segment is associated with higher demand, which may indicate the influence of perceived quality or brand loyalty. Similarly, the positive coefficient for tempeh price implies that as tempeh becomes more expensive, consumers may substitute it with tofu, thereby increasing tofu demand. These findings highlight unique consumer behavior patterns in Tenggarong that may be influenced by cultural preferences, income stability, and market conditions. The study concludes that price dynamics between tofu and its substitute product, tempeh, play a significant role in shaping tofu consumption.

Small-scale industries such as tofu and tempeh factories play a significant role in the local economy but often face serious issues such as workplace accidents. This study aims to describe the working conditions and their relation to unsafe acts by workers at the XYZ tofu and tempeh factory. A descriptive qualitative approach was used through direct observation and interviews with four workers. The findings show that a hot and noisy work environment, poor ventilation, and disorganized workspace affect workers’ behavior in carrying out tasks without using proper personal protective equipment (PPE). Unsafe work practices have become a common habit due to factors such as routine behavior, limited facilities, and demands for work efficiency. The study concludes that an unsupportive work environment is directly associated with the increase in unsafe behavior. Therefore, efforts are needed to improve the working environment, including ventilation, workspace layout, and adequate provision of PPE, as well as to increase workers’ awareness of occupational health and safety through regular training and outreach. These measures are essential to foster a safe and healthy work culture in small-scale industrial settings.

This activity aims to increase the business capacity of MSME actors through business management training, digital marketing, and technical assistance. The activity was held on April 16, 2025 at the Tempe Tofu Production Center, Jl. Macan Lindungan No.43 Bukit Kecil Village, Ilir Barat 1 District, Palembang, with a total of 20 traders. The methods used include initial observation, program socialization, financial management training, social media workshops, and marketing strategy assistance. The results showed that 80% of participants began to use digital platforms for promotion, 7 traders succeeded in preparing capital assistance proposals, there was an improvement in product packaging, and the formation of the "Tahu Tempe Mandiri" business group. This program has a positive impact on increasing turnover and market access. For sustainability, it is recommended that there be further training and collaboration with relevant agencies.

Qualitative research with the aim of seeing the role of Tofu and Tempe Micro, Small and Medium Enterprises (Mumkm). The results of the research show that the existence of Ibuk Iis tofu and tempe micro, small and medium enterprises (MSMEs) has a very big role for Bangun Seranten Village, especially in increasing employee income in these Micro, Small and Medium Enterprises (UMKM). The results of the interview show that this MSME not only provides permanent employment for the local community, but also provides a stable income for them or even greater than their income before working for this MSME. And also Ibuk Iis's tofu and tempe Micro, Small and Medium Enterprises (MSMEs) also face a number of challenges. One of the main problems is the difficulty of getting quality and affordable raw materials, coupled with tight competition for similar products. Complicated business licensing, complex financial administration, and so on.

Melotot Geprek Chicken Shop which is located at Jl. Sk Syahbudin, Ruko Puri Mayang, Mayang Mangurai, Jambi city. This Geprek Chicken Shop not only provides Geprek Chicken, but also provides toppings such as omelettes, liver gizzards, quail eggs, tofu-tempeh, perkedel, fried petai and others. The phenomenon or event that can be felt directly by researchers is, the Geprek Melotot Chicken Shop with a simple and not luxurious building design, ordinary service, and product sales that only use a word of mouth strategy, resulting in a lack of turnover as expected and what has been achieved. planned. So the aim of this research is to find out what marketing strategies are to increase sales, what obstacles are faced and what are the solutions in dealing with marketing strategies. The discussion of this research is related to the theory of increasing sales, MSMEs, Marketing Strategy, Halal Labeling, and Constraints in MSME Development. This research is a type of Qualitative research with a descriptive approach, using primary data sources and secondary data. The subjects of the research are Shop Owners and Consumers. Data collection techniques are observation, interviews and documentation. The results of this study indicate that the strategy implemented by Toko Ayam Geprek Melotot in increasing sales is by using the 9P marketing mix strategy (product, price, place, promotion, people, process, physical evidence, payment, packaging), namely product strategy, price, location, promotion, people, process, physical evidence, payment, and packaging.

The need for soybeans in Indonesia increases along with population growth, with demand reaching 2.7 million tons in 2023. Soybeans are an important raw material in the food industry, especially for processed products such as tempeh. This research aims to analyze the control of soybean supplies in the Bogor Regency Tofu and Tempe Cooperative (KOPTI) using the Economic Order Quantity (EOQ) method. The Economic Order Quantity (EOQ) method was chosen because it is able to optimize the costs of ordering and storing raw materials. Primary data was obtained through interviews with KOPTI owners and employees. The analysis results show that the optimal order quantity is 333,371 kg with an order frequency of 4 times per year. In addition, the safety stock required is 82,252 kg, and the reorder point is 85,865 kg. Using the EOQ method can save total inventory costs from IDR 14,332,491.57 to IDR 910,102.39. This research suggests KOPTI to apply the Economic Order Quantity (EOQ) method to increase cost efficiency and maintain stable raw material supplies.

This study aims to know and analyze the depreciation method of fixed assets applied to the Tempe Waidoko Tofu Factory, Wolomarang Village. Research data is obtained from (secondary) data obtained from documentance and direct interviews with related parties. The analytical method used in this study is quantitative descriptive analysis, which is an analysis that describes the depreciation method of fixed assets applied by the Tempe Waidoko tofu factory Kelurahan Wolomarang using H straight-line depreciation method and double declining balance method. The results showed that the fixed asset depreciation method used in the tempeh tofu factory was a straight-line method. Because the straight-line method is greater in book value than the double declining balance method.