Abstract
Efforts to fulfill food security to anticipate population growth in Indonesia need to be supported by universities through research and community service. The application of the Natural Animal Audio Organic Growth System (NA-AOGS) with a STEM (Science, Technology, Engineering, and Mathematics) approach is an effort to help the community increase crop yields and accelerate the growth of soybeans (Glycine max (L.) Merill). The research method used is R&D (Research & Development) which is modified from Cennamo and Kalk (2018). This model is in the form of a spiral cycle using 5 (five) main activities as follows: (1) defining the product conceptual; (2) designing research products; (3) demonstrating the product in a limited trial; (4) developing the product through the process of evaluating the test results, and (5) presenting the product to the public. The direct impact of learning is the improvement of science process skills and critical thinking of students participating in the Biophysics course at the Natural Sciences Study Program, Universitas Negeri Yogyakarta. This is due to the effective application of STEM to link science learning with contextual technology and engineering (NA-AOGS), environmentally friendly technology (only using natural animal sound frequency variables), mathematical elements in data analysis, and analysis of soybeans plant growth charts. The economic impact of this research is the scientific contribution in the form of adaptation of agricultural technology so that it can increase soybean yields (an increase of 130.38% on an area of 2750 m2). The novelty and contribution of this research is the integration of science learning with agricultural techniques and technology with a STEM approach so that it can improve the welfare of farmers in educational institutions as a new model in science learning.
Highlights
Significant changes occur in various fields due to the industrial revolution 4.0
The result of recording the sound of crickets (Gryllidae) is processed using Soundforge to become the input for the Natural Animal Audio Organic Growth System (NA-AOGS) device
The Soundforge analysis is manipulated into several frequencies that are adjusted to the characteristics of the test plants, which will increase their growth rate and productivity
Summary
Significant changes occur in various fields due to the industrial revolution 4.0. These changes impact agriculture and education, implying the need for changes in the science learning system at the primary, secondary, and higher education levels. The dominance of digital technology devices in the learning process, driven by the ongoing COVID-19 pandemic, has led to a high. Mastery of the 4Cs (critical thinking, creative problem solving, communication, and collaboration) is required to meet the demands of mastering 21st-century skills. In this research, Science Process-Skills (SP-Skills) and critical thinking (CT) have been developed. K. Sari / JPII 10 (3) (2021) 447-461
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