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Legume-based catch crops inprove N-supply without increasing the N2O emission

Li, X.; Sørensen, P.; Petersen, S.O. and Olesen, J.E. (2015) Legume-based catch crops inprove N-supply without increasing the N2O emission. ICROFS. Online at http://icrofs.dk/en/aktuelt/nyheder/viewnews/artikel/legume-based-catch-crops-can-improve-n-supply-without-increasing-the-n2o-emission/, accessed on: 15 June 2015.

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Online at: http://icrofs.dk/en/aktuelt/nyheder/viewnews/artikel/legume-based-catch-crops-can-improve-n-supply-without-increasing-the-n2o-emission/

Summary

Legume-based catch crops (LBCCs) may be an important source of nitrogen (N) in organic crop rotations since they are capable of taking up N both from the soil and from the atmosphere via biological N fixation (BNF). Consequently, they may help improve the crop yield through enhancing soil fertility and crop N supply. On the other hand, the legume-based catch crops may also have a negative impact on the climate as they may enhance the emissions of nitrous oxide (N2O), which is a powerful greenhouse gas.
Therefore, the findings from two research projects HighCrop (Organic RDD 2) and Legume Future (EU-FP7) are promising, as they show that a higher level of N2O emission is not necessarily the consequence of growing LBCC.


EPrint Type:Web product
Keywords:Catch crop, Green house gas emission, Legumes, N-supply
Subjects: Crop husbandry > Composting and manuring
Soil > Nutrient turnover
Research affiliation: Denmark > Organic RDD 1 > HighCrop
Deposited By: Hansen, Grethe
ID Code:28938
Deposited On:16 Jun 2015 12:31
Last Modified:23 Jun 2015 10:50
Document Language:English
Status:Published

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