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In this paper, an autonomous payload proposal for a nanosatellite mission allowing for the cultivation of grains in space was presented. For the first time, a micropot made with 3D printing technology, enabling the parametric determination of plant growth, both on Earth and in the simulated microgravity condition, was presented. A completed system for dosing the nutrient solution and observing the growth of a single grain, where the whole size did not exceed 70 × 50 × 40 mm 3 , was shown. The cultivation of Lepidium sativum seeds was carried out in the developed system, in terrestrial conditions and simulated microgravity conditions, using the RPM (Random Position Machine) device. The differences in plant growth depending on the environment were observed. It could be seen that the grains grown in simulated microgravity took longer to reach the full development stage of the plant. At the same time, fewer grains reached this stage and only remained at the earlier stages of growth. The conducted research allowed for the presentation of the payload concept for a 3U CubeSat satellite for research into the development of plants in space.

Nanosatellite Payload for Research on Seed Germination in a 3D Printed Micropot