Advanced biofuels from cellulosic material - plant waste and wood - are better, because they don't compete directly with food, but they still need reasonably fertile land in which to grow.
来自纤维素质的先进生物燃料-植物废物和木头-更好，因为他们不直接同食物竞争，但他们仍然需要适度肥沃的土地来生长。
And they would have to decide not just which crops to plant but whether to use them for food, carbon capture or things like bio-industrial raw materials.
他们不仅要决定种植何种作物，而且还要决定是把这些作物用作粮食还是捕捉碳的容器，或者是用作生物工业的原料等等。
Bulbs are underground plant stems. They provide food for a shoot.
鳞茎是植物的地下根茎，为幼芽提供养分。
They help block ultraviolet radiation, which can mutate plant DNA and damage the photosynthesis that allows a plant to make its food.
它们都可以帮助阻止紫外线辐射，从而防止植物受到紫外线的伤害DNA发生突变。
People use every part of the rice plant. They make animal food and rice oil from it.
人们使用水稻的每一部分，人们用水稻生产动物性食品和米油。
They select patch with exuberant plant condition as their habitat on course grain level, for this condition contains information of good shelter and good food resources.
扩散鼠兔首先粗略地选择茂盛郁闭植被的斑块生境，此条件隐含了好的隐蔽状态和丰富的食物资源等信息。
They insist on natural plant extract from the vitamins, minerals and other phytochemicals for health food production.
他们坚持从天然植物中提取维生素、矿物质及其他植物化学物质，用于保健食品生产。
It is likely that people have celebrated harvest festivals ever since they began to plant and gather food.
有可能从开始种植、收获食物起，人们就在庆祝收获节日。
Then, people learned to plant seeds and grow crops. They learned to use animals to help them work, and for food.
然后他们学习播种和耕作，学习利用动物来帮助他们工作，或者把它们当作食物。
The experts said farm- raised fish should be labeled organic only if they were fed almost completely organic plant food.
专家表示，农场养殖的鱼只有在几乎完全喂食有机养料的情况下，才能贴有机商标。
Chilli. Our neighbour gave me the very young plant to plant. They are for admiring only, not for food.
辣椒。是邻居给我的小苗儿种下的。真是很辣的。我们尝过了。
Chilli. Our neighbour gave me the very young plant to plant. They are for admiring only, not for food.
辣椒。是邻居给我的小苗儿种下的。真是很辣的。我们尝过了。
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