The five has so many simultaneous effects that they are not very useful in artificially controlling the growth of crops.
这五种东西同时具有许多效应，因此它们在人为控制作物生长方面不是很有用。
Meanwhile, France and five other countries have used a "safeguard clause" in the current law to ban cultivation of the approved crops.
同时，法国和其他五国在当前的法律下使用“保护条款”来禁止被通过的植物在其国家的种植。
Some five million hectares of winter crops are estimated to have been lost or damaged, and the areas planted in spring crops have been reduced substantially.
大约500万公顷的越冬农作物被估计受到严重危害，而春季农作物的播种面积被大幅减少。
Since the early 1990s, the food bills of the least developed countries have increased five- or six-fold due to lack of investment in the production of food crops.
自上世纪90年代早期起，由于缺乏在粮食生产上的资金投入，最不发达国家的用在食物消费的资金提高了五到六倍。
They are chasing their counterparts in the Americas who have been raising crops for biofuel for more than five years.
他们正在追随美国同伴，后者种植用于生物燃料的作物已超过5年。
They are chasing their counterparts in the Americas who have been raising crops for biofuel for more than five years.
他们正在追随美国同伴，后者种植用于生物燃料的作物已超过5年。
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