To be classified as a conservation tillage practice,a system must leave at least what portion of the soil surface covered with plant residues?
A)10%
B)20%
C)30%
D)40%
E)50%

Question

Quizplus · Accepted Answer

Conservation tillage involves leaving a certain amount of plant residues on the soil surface to protect the soil from erosion, increase soil organic matter, and improve soil structure. The minimum amount of plant residue required to be left on the soil surface to be classified as conservation tillage is 30%. Therefore, choice C is the correct answer.

To Be Classified as a Conservation Tillage Practice,a System Must