Long-Term Effects of Different Fertilizer Management Practices on Soil Organic Carbon Pool in Smallholder Farms of the Huang– Huai–Hai Plains, China - Soil Management of Smallholder Agriculture - page 168

N

China

0 0 00 20 km

Beijing

Changping

Bohai Sea

Xinji B

Hengshui B

Xinji A

Hengshui A

Yucheng

Hilly regions of Shandong

Huanghai Sea

Zhengzhou A
Zhengzhou B

Xuzhou

Mengcheng

Legend
City
River system
Experimental sites
The piedmont plain of Tai-Hang and Yang Mountains
The flood and coastal plains of Huang and Hai Rivers
The flood plain of Huang and Huai Rivers

FIGURE 7.1 Location of eight long-term experimental sites.