OBJECTIVE FORESTRY

FORESTRY

SOIL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This soil is rich in humus
A
Desert
B
Grassland
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Chernozems (from the Russian words for “black earth”) are humus-rich grassland soils used extensively for growing cereals or for raising livestock.

Detailed explanation-2: -Thus, clay has the highest humus content. Humus is the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.

Detailed explanation-3: -Organic material in grassland soils, then, includes living and dead plant parts, living and dead organisms, and humus.

Detailed explanation-4: -Topsoil is the uppermost layer of soil, also called A-horizon. It is the darkest in colour. It is rich in humus and minerals.

There is 1 question to complete.