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N fertilizer value of legume-based catch crops

De Notaris, Chiara; Sørensen, Peter; Rasmussen, Jim and Olesen, Jørgen E. (2018) N fertilizer value of legume-based catch crops. Poster at: 20th Nitrogen workshop, Rennes, France, 24-27 June 2018. [Unpublished]

[thumbnail of De Notaris_N workshop abstract.doc] Microsoft Word - Submitted Version - English
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N availability is one of the main factors limiting productivity in organic arable systems. Legume-based catch crops (CC) were shown to both increase N yield and reduce N leaching at the crop rotation scale, but strategies to stabilize their growth are required (De Notaris et al., 2018). The present study showed that early CC sowing time and an increased main crop row space can help stabilize CC growth and increase N accumulation, especially when the conditions for the CC are not favorable. Despite the variations in N accumulated in CC biomass, legume-based catch crops represent a valuable source of N for the subsequent crop, with their fertilizer value being less variable than the N accumulated in CC biomass.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Subjects: Soil > Nutrient turnover
"Organics" in general > Countries and regions > Denmark
Farming Systems > Farm nutrient management
Research affiliation: Denmark > Organic RDD 2 > RowCrop
Denmark > CROPSYS
Deposited By: De Notaris, Chiara
ID Code:33053
Deposited On:14 May 2018 14:27
Last Modified:24 Mar 2023 10:54
Document Language:English
Refereed:Not peer-reviewed

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