Nitrogen (N) availability is a key role in food and fiber production. Providing plant-available N through synthetic fertilizer in the 20th and early 21st century has been a major contributor to the increased productio...
This work was jointly supported by NKBRSF(Grant No.G1999043407);National Natural Science Foundation of China(Grant Nos.30070642,49905005,30028001);the Chinese Academy of Sciences(Grant No.KSCX2-1-07,KZCX1-SW-01-12).
The Northeast China Transect (NECT) along a precipitation gradient wasused to calculate the carbon balance of different vegetation types, land-use practices and temporal scales. NECT consists of mixed coniferous-broad...