4 · Society, Civilization, Culture
47 · crafts and industries
47I · agriculture, cattle-breeding, horticulture, flowerculture, etc.
47I1 · agriculture
47I11 · plants ~ agriculture
47I111 · cereal, grain, corn (grass with grains, grown for food, e.g.: wheat, rice, rye, oats, maize, buckwheat, millet)
47I1111 · ears of corn
47I1111(+8) · ears of corn (+ agricultural processes)
47I1111(+89) · ears of corn (+ effects and characteristics of plant growth ~ agricultural processes)
47I1111(+893) · ears of corn (+ characteristics of plant growth)
47I1111(+8934) · ears of corn (+ bearing fruit)