Earth Science GEOG 1214 East Central University Name:____________________________ Compost Lab Activity #5

Earth Science GEOG 1214

East Central University

Name:____________________________

Compost

Lab Activity #5

Compost adds valuable organic matter and nutrients to the soil. It has the added benefit of turning organic waste, such as manure and crop debris, and food scraps into something that’s reusable.

Objectives

Relate the process of organic matter decomposition to compost management

Assess the readiness of compost to be applied to soil and climate change.

Step 1: Look at the different techniques used to create compost.

How many of those you were familiarized with?

What is a brown material?

What is a green material?

How composting can help us fight climate change (global warming)?

Use the terms learned in class: CH4 (methane), CO2 (carbon dioxide), and N2O (nitrous oxide).

Mention 3 pros and 3 cons of the use of the compost tumbler.

Pros

Cons

What is the main difference between the Japanese bokashi system and the traditional compost pile?

What is the advantage of the Japanese bokashi technique compared to the traditional compost pile?

What is the active principle of the Japanese bokashi system? How is related to beer, Sourdough, and yogurt?

In general, the store potting mix contained: compost, vermiculite and/or perlite, peat moss (Sphagnum) and/or coco coir.

Which are the functions of each of these elements:

Compost:

vermiculate and/or perlite:

peat moss (Sphagnum) and/or coco coir:

why the use of peat moss (Sphagnum) is controversial?

Is common to see the term NPK in commercial soils. What the letters means? and what are the benefits of each of them for the plants?