In a healthy soil environment that demonstrates sustainability,
A)the levels of humus steadily declines,but the aeration increases.
B)sandy or silty soils are steadily converted to clay soils.
C)abundant populations of bacteria are steadily replaced by mycorrhizae.
D)the humus forming processes of topsoil is renewed by the addition of detritus and humus.

Question

Quizplus · Accepted Answer

In a healthy soil environment that demonstrates sustainability, the humus forming processes of topsoil is renewed by the addition of detritus and humus. This is important because humus provides the soil with nutrients, improves structure, and retains moisture. Therefore, the steady renewal of humus is crucial to maintaining soil health and sustainability. Option A is incorrect because the levels of humus should not decline steadily. Option B is incorrect because soil texture should not be steadily converted to clay. Option C is incorrect because bacteria and mycorrhizae both play important roles in the soil, and their populations should not be in competition with each other, but rather be able to coexist.

In a Healthy Soil Environment That Demonstrates Sustainability