AGRICULTURAL CANOPY AND SOIL CO_2 RELEASE AND PHOTOSYNTHETIC RECAPTURE

机译：农业冠层和土壤CO_2释放和光合recapture

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Continuous eddy covariance measurements of CO_2 fluxes will underestimate the total C fixed in either a corn or soybean field. Thus eddy covariance alone cannot estimate the total carbon fixed by a canopy. The error is greater for a corn canopy than for a soybean canopy. In a corn canopy the error is approximately equal to the C fixed by the root mass. The most likely source of CO_2 for the biomass not measured by eddy covariance is from soil and root respiration.

机译：CO_2助熔剂的连续涡流调节测量将低估固定在玉米或大豆场中的总C.因此，单独的Eddy协方差无法估计通过树冠固定的总碳。玉米篷误差比大豆遮篷更大。在玉米拱架中，误差大致等于由根质固定的C。未被涡旋间协方差测量的生物量的最可能源的CO_2是来自土壤和根呼吸。

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《Conference on agricultural and forest meteorology》|2002年||共2页
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Steven E. Hollinger; Tilden P. Meyers;
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中图分类农业气象学;
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AGRICULTURAL CANOPY AND SOIL CO_2 RELEASE AND PHOTOSYNTHETIC RECAPTURE

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