Soil

1. Turning the Soil

1.1. Farmers

1.1.1. Plow

1.1.2. Disk / Ripper

2. 5 things to know

2.1. http://news.nationalgeographic.com/news/2014/12/141205-world-soil-day-soil-agriculture-environment-ngfood/

3. Location

3.1. Earth

4. Challenges

4.1. Right nutrients

4.2. Turning the soil

4.3. You cant control the weather

5. Nutrients

5.1. Potassium

5.2. Calcium

5.3. Nitorgen

6. Plant life

6.1. Able to grow are food

6.2. Grow everything to feed us

7. Timeline

7.1. We have had soil and we will for the rest of are lives.

8. Benefits

8.1. Food

8.2. Nutrients

8.2.1. Soil will be fresh and ready for anything to grow