1.   Controversy has also surrounded the long-term effects of artificial fertilizer on the soil structure.

2.   Controversy surrounds the TV show, which many consider to be racist, sexist, and homophobic.

3.   Similar controversies surround vitamin C, ascorbic acid.

4.   The circumstances of her death were surrounded by controversy.

5.   Controversy surrounded the forced retirement from the armed forces of the former Minister of National Defence Vice-Adml.

6.   The circumstances of his death were surrounded by controversy and led to suspicions of foul play within opposition circles.

7.   Since critical controversies can surround virtually any aspect of a text or movement, essays along these lines can take many forms.

8.   Much controversy surrounds the relative importance of internal factors, and external factors in determining coping skills.

9.   Controversy surrounding summit Prior to the summit, governments and NGOs of varying persuasions traded accusations, many of them familiar rehearsals of long-standing differences.