Which of the following is a drawback to polyculture?

A. It allows standardized growing techniques.
B. It allows multiple varieties of plants to exchange multiple resources from and to the soil.
C. It offers predictable large yields of a single crop.
D. It is challenging to development and maintain.

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.