Statements: Farmers of State D, who traditionally cultivate crop M, bore considerable losses owing to deficiency of nutrient Z in the soil which is vital for adequate growth of crop M. However, this year the farmers registered a 40% growth in production.
I. The farmers of State D have started producing crop Y only (which does not require nutrient Z for growth) since the past two years.
II. Since the past two years the farmers of State D have been adding a fertilizer to the soil which contains nutrient Z.
III. The nutrition this year was 200 more than the previous year in state D.