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How does rotational grazing reduce the need for pesticide treatments?
How does rotational grazing reduce the need for pesticide treatments?
admin
2011-02-05
32
问题
How does rotational grazing reduce the need for pesticide treatments?
Grasslands need time to rest when the cattle and other animals feed on them. Moving animals from one area of pasture to another can provide the time needed for new growth. This is called rotational grazing. Experts say rotational grazing is good for land and animals, and it can save money. This form of grazing can reduce the need for pesticide treatments by reducing the growth of weeds. And it can limit the need for chemical fertilizers by letting the animal waste do the job of natural fertilizer.
选项
A、By increasing the use of natural fertilizer.
B、By limiting the need for chemical fertilizers.
C、By reducing the growth of weeds.
答案
C
解析
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本试题收录于:
C类竞赛(非英语专业本科)题库大学生英语竞赛(NECCS)分类
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C类竞赛(非英语专业本科)
大学生英语竞赛(NECCS)
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