土按有機質(zhì)含量可分為:
A.有機質(zhì)土、泥炭;
B.有機質(zhì)土、泥炭質(zhì)土、泥炭;
C.無機土、有機質(zhì)土、泥炭質(zhì)土、泥炭;
D.有機質(zhì)土、無機質(zhì)土;
答案:C
A.有機質(zhì)土、泥炭;
B.有機質(zhì)土、泥炭質(zhì)土、泥炭;
C.無機土、有機質(zhì)土、泥炭質(zhì)土、泥炭;
D.有機質(zhì)土、無機質(zhì)土;
答案:C