SDG 15: Life on land

What are the main components of soil? 

What are properties of good quality  soil?

How could we decide the quality of soil?

What are the main nutrient elements of soil and what are their functions in agriculture? (10 min in groups)

sample web pages:

www.dpi.nsw.gov.au/agriculture/soils/soil-testing-and-analysis/plant-nutrients

https://forages.oregonstate.edu/nfgc/eo/onlineforagecurriculum/instructormaterials/availabletopics/fertilization/elements

Be a Soil Scientist: 

(Group of 2-3 students) (30 min)

-Spot tests to get the quantity of the elements found in soil:

   N, P and K

- Take two samples of soil: one is from school garden and a good quality of soil (already prepared by teacher) 

While the rain water is slightly acidic, the pH of the soil is expected to be slightly acidic. 

Measure the pH of soil by using pH papers.

How is the pH of soil evaluated?

Groups in 10 Minutes

Discuss the difference of the quality of soil

in those two countries: 

-  Anything missing in bad quality soil?

- What can we do to compensate the 

   missing those main components?

Any solutions to improve soil quality?

In groups: 5 min. discuss: 

- Compare Netherland's and Turkiye's policy about the utilization of domestic wastes. 

- Discuss the sustainable ways of utilizing those wastes.

- What to do in your school or at home to improve soil quality?