The 1960s agricultural process that increased crop production due to fertilizers, pesticides and high-yield varieties is known as the:

• A. Green Revolution
• B. Industrial Agriculture
• C. Organic Amendment
• D. Crop Rotation

Answer: (A)

The main idea being tested is a historic shift in farming that massively boosted crop yields in the 1960s through the combination of high-yield crop varieties, chemical fertilizers, pesticides, and expanded irrigation. This set of changes is known as the Green Revolution. The label captures how scientists and governments aimed to dramatically increase food production to feed a growing world population, especially in developing countries, by deploying high-yielding varieties of staples like wheat and rice along with modern inputs and better farming methods.

Why this fits best: the description explicitly includes fertilizers, pesticides, and high-yield varieties, which are the defining features of the Green Revolution. It isn’t just about modern farming in general or soil management practices; it’s about that coordinated, large-scale push in the 1960s that transformed agricultural output globally.

Why the other options don’t fit as precisely: industrial agriculture is a broader term that covers mechanization and large-scale farming but doesn’t specifically name the 1960s program of HYVs plus chemical inputs; organic amendment refers to using organic materials to enrich soil, not synthetic fertilizers or pesticides; crop rotation is a specific practice to preserve soil health and nutrients, not the overarching revolution that tied together these innovations.