Expert answer:Park BIO BI111 – Soil triangle problem

  

Solved by a verified expert:1. Soil triangle problem—given a sample of soil with 60% sand, 10%silt, what is the _____ % clay and what is the name of the soil
type?

2.
List the 3 major layers of
a soil profile and describe the characteristics of each.

3.
List the three types of
soil found worldwide and briefly describe each.

4.
What do the letters NPK on
a fertilizer bag label mean?

5.
Explain why commercial
fertilizers are used in agriculture today and describe at least one problem
associated with their use.

6.
Describe two benefits of
organic farming.

7.
What is integrated pest
management (IPM)?

8. List and explain three
techniques used to control pests that do not involve the use of pesticides.

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