According to Harper,which of the following are ways to protect the fertility of cropland soils?
A)use recycled human wasted as fertilizer
B)use chemical fertilizers
C)plant only one crop per field
D)deep plowing

Question

Quizplus · Accepted Answer

Using recycled human waste as fertilizer helps replenish nutrients in the soil and promote healthy microbial activity without the negative environmental impacts of chemical fertilizers. Deep plowing and planting only one crop per field can actually disrupt the soil structure and deplete nutrients over time.

According to Harper,which of the Following Are Ways to Protect