The total storage of C, N, P, K, Ca, Mg, Mn, Al and Fe in the CWD was 48699 t/hm 2, but return of elements to the forest ground in the litterfall only made up 7 77% of the nutrient storage of the CWD.
英
美
- 粗死木質(zhì)物是森林中重要的養分庫，其中的C、N、P、K、Ca、Mg、Mn、Al和Fe元素的總貯量達到48699 t/hm 2，每年通過(guò)凋落物方式積累于林地表的養分元素只占其總量的7.；77%25
