Opponents list the harm of factory production of agriculture, ranging from genetic disaster to the overuse of fertilizers. For them , the concern of natural and organic food is above all other factors, they can even ignore the high price of fruits and vegetable, only if they are organic and grown in the field, that may mean safety even to the genetic level.

　　I personally agree with the former. As we can easily see, human population has been explosively growing in the last half century, much faster than any period of history. Traditional modes of agriculture may be just too slow to monotonous to fulfill the appetite of us. Ergo, the trend from the field to the workshops just cannot be resisted.

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