In 1977 Prof. Efraim Hernandez X. explained that modern agricultural systems had lost their ecological foundation when socio-economic factors became the only driving force in the food system.
1977年，Efraim Hernandez X教授解釋說，當社會經濟因素成為糧食系統中唯一的驅動力時，現代農業系統失去了生態基礎。