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How does rotational grazing reduce the need for pesticide treatments? [br] [ori
How does rotational grazing reduce the need for pesticide treatments? [br] [ori
游客
2024-08-18
15
管理
问题
How does rotational grazing reduce the need for pesticide treatments? [br]
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.
Each December, the editors and news directors of the Associated Press vote for the top ten news stories of the year. They chose the election of Barack Obama as president of United States as the top news story of 2008. President-elect Obama is the first black man to be elected president of the United States. His decisive victory over Republican Senator John McCain brought down the last racial barrier in American politics. His campaign for the white house lasted 21 months.
选项
A、Reuters.
B、The Associated Press.
C、United Press International.
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3725008.html
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