1991年由荷兰政府政策科学委员会进行的一次名为面临选择的土地（Ground for Choices）的研究证明了减少50%的耕地、80%的杀虫剂并只需一半的成本，欧盟的食品供应需求就能得到满足。
A 1991 study by the Netherlands Scientific Council for Governmental Policy, entitled Ground for Choices, demonstrated that the EU’s food supply could be met with 50% less cultivated land, 80% less pesticides, and at 50% less cost.