OBJECTIVE FORESTRY

FORESTRY

SOIL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is (are) key roles soil plays in the ecosystem?
A
Supporting plant growth
B
Modifying the composition and properties of the atmosphere
C
Recycling waste products of society and nature
D
Providing habitat for an enormous diversity of organisms
E
All of the above
Explanation: 

Detailed explanation-1: -regulator of water supplies, recycler of raw materials, habitat for soil organisms, and. landscaping and engineering medium.

Detailed explanation-2: -Soils are a vital component of ecosystems because: the majority of plants grow in soil. soils determine the nutrients such as nitrogen, phosphorus, sulfur, potassium, calcium, magnesium and micronutrients that are available for plants. soils, with climate and topography, can determine the available water for plants.

Detailed explanation-3: -Soils absorb, hold, release, alter, and purify most of the water in terrestrial systems. Soils process recycled nutrients, including carbon, so that living things can use them over and over again.

Detailed explanation-4: -The soil regulates the natural cycles of water, air, and organic and mineral matter. It filters and purifies water, stores and breaks down substances and is therefore a vital link in the constant flow of energy and matter throughout the Earth’s entire ecosystem.

There is 1 question to complete.