Answer:
Agro-ecological zoning is used to determine whether a particular crop is suitable for a piece of land or not.
Step-by-step explanation:
Crop production is directly related to the type of soil and climate. Agro-ecological zoning is implemented to determine the suitable characteristic such as rainfall, temperature, soil scape, soil storage and length of the growing period. This process emphasizes all these factors to find out that the crop is suitable for the given land or not.