Crew 205 Green Hab Report – 22-FEB-2019
GreenHab Officer: Nathan Hadland
Environmental control: Heating and Cooling w/ ambient air (2 hrs)
Shade Cloth (40%)
Hours of supplemental light: 5 Hours
Daily water usage for crops: 6.5 gallons (an extra 6 gallons were used for cleaning rovers)
Water in Blue Tank: ~ 166.5 gallons
Crops watered at 0900 hours and 1800 hours:
TIME NOTED TEMPERATURE(° C ) / HUMIDITY(%)
1) 10.30 AM 21.3° C / 25 %
2) 12.00 PM 19.4° C / 21 %
3) 15:00 PM 32.0° C / 11 %
4) 18:00 PM 23.4° C / 54 %
Changes to crops: None.
Narrative: The A. thaliana experiments were concluded today. A full summary of the experiments is available in mission summary. Two particular simulants stood as the most successful. Approximately 500 mL of leftover Hoagland’s #2 hydroponic nutrient solution was used on the mystery greens to help in their seedling phase as well as on some of the tomato plants.
The door to the GreenHab was opened to allow for ambient airflow at 1110 hours and then closed at 1200 due to a temperature drop. The door was opened again at 1500 hours because the temperature had spiked due to the intensified sunlight reflecting off of the snow. The door was closed again at 1600 hours for the remainder of the day.
Support/supplies needed: None.