Carbon budget of a winter-wheat and summer-maize rotation cropland
Crop management exerts a strong influence on
the agroecosystem carbon (C) budget. From October 2007 to October 2008, the net
C budget of an intensive winter-wheat and summer-maize double cropping system
in the North China Plain (NCP) was investigated in a long-term field experiment
with crop residues input, using a combination of eddy covariance, crop growth
and soil respiration measurements. The objectives were to qualify the annual C
budget and to establish the effects of climatic variables and crop management
on C budget.
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