🌾 Wheat: -3 Fertility, +5 Food Production
🌽 Corn: -4 Fertility, +7 Food Production
🫘 Soybean: -2 Fertility, +4 Food Production
🌱 Fallow: +5 Fertility, 0 Food Production
⚠️ Indicates a 25% production penalty due to zero fertility.
❌ Zero production: crop would send fertility negative.