Here is a concise summary of the provided text, which appears to be a transcript of a video on growing and utilizing sweet potatoes:
**Summary:**
* **Day 1-40:** A person buys sweet potatoes, sterilizes them in hot water, and attempts to sprout them using three methods: water tray, leaf mold, and soil.
* **Day 40-114:** The sprouted sweet potatoes are planted, and their growth is tracked. The person encounters issues with aphids, mosaic disease, and shading.
* **Day 114-230:** The plants are maintained, and the person eventually harvests sweet potatoes after 139 days.
* **Harvest and Utilization:**
+ Harvests multiple sweet potatoes, with varying success rates due to environmental factors.
+ Prepares and eats baked and candied sweet potatoes.
+ Additionally, utilizes and cooks the edible sweet potato vines, then repurposes the remaining vines as fertilizer.
**Key Takeaways:**
* A comparison of sprouting methods for sweet potatoes
* Overcoming common challenges in growing sweet potatoes (pests, disease, shading)
* Creative ways to utilize sweet potato harvests (baked, candied, edible vines, fertilizer)
Here are the extracted key facts in short sentences, numbered for reference:
**Sweet Potato Cultivation**
1. Sweet potatoes were sterilized in 48°C water for 40 minutes on February 22nd.
2. Two sweet potatoes were initially prepared, one soaked in water and the other buried in leaf mold.
3. The leaf mold was used to utilize fermentation heat.
4. Day 40 (April 3rd): The first sweet potato sprouted.
5. Day 56 (April 19th): Leaves emerged from the sprouted sweet potato.
6. The sweet potato in leaf mold developed roots but didn't sprout until later.
7. Day 75 (May 8th): Leaves fully opened on the first sprouted sweet potato.
8. Another sweet potato was soaked in water, showing rapid leaf growth.
9. The sweet potato with more roots showed faster leaf growth.
10. Day 87 (May 20th): The fastest-growing sweet potato had four vines and many roots.
11. Vines were over 30 cm long by Day 91 (May 24th).
12. Vines were planted with a 30 cm distance between them.
13. Day 114 (June 16th): Vines were replanted without ridge till or mulching film.
14. Aphids and mosaic disease affected the plants.
15. Leaves were regularly removed to manage mosaic disease.
16. Day 128 (June 30th): Bamboo blinds were used to support growing vines.
17. Day 175 (August 16th): Vines had spread significantly.
18. Roots were dug up to prevent overgrowth (Day 175 and later).
19. Day 230 (October 10th): First attempt to harvest sweet potatoes, but none were found in one location.
20. Sweet potatoes were successfully harvested from another location (Day 230).
**Harvest and Cooking**
21. Harvest occurred 139 days after planting for one set of sweet potatoes.
22. Some sweet potatoes were cracked and eaten by bugs.
23. Harvested sweet potatoes were slightly small.
24. Sweet potatoes were baked in the oven at 160°C for 80 minutes.
25. An experiment compared baking with black vs. normal aluminum foil.
26. Candied sweet potatoes were made with sugar, sweetened sake, soy sauce, and black sesame.
27. Vines were edible, particularly the softer tips.
28. Vines were prepared by peeling, cutting, soaking in hot water with baking soda, and then stir-frying.
**Miscellaneous**
29. The video spans from February 22nd to October (exact date not specified for the end).
30. The creator used the remaining sweet potato vines as fertilizer.