The students were unsuccessful, but when Despommier suggested they instead try growing plants vertically on every floor, the project changed course.
学生们失败了,但当Despommier提议他们垂直地在每一层种植作物时,这个项目转败为胜。
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Better still, says Dr Despommier, the use of pesticides, herbicides and fungicides can be kept to a bare minimum by growing plants indoors in a controlled environment.