Abstract
Vegetables with a high nitrogen demand such as cauliflower may cause intensive leaching of nitrate to the environment in conventional as well as in organic production. In organic cropping systems, the use of an in-season living mulch may decrease the risk of nitrate leaching after harvest when left growing in the field to the end of the leaching season in spring. The aim of this study was to investigate the effect of growing an in-season living mulch including legumes on the risk of leaching of inorganic nitrogen over winter, and soil nitrogen availability the following spring. Three field experiments were carried out in Slovenia, Germany and Denmark in the frame of the Interveg project (CORE organic II). Evaluation of soil inorganic nitrogen content was done at planting, at harvest, in late autumn and in spring to a depth of 0.6, 0.9 or 1.5 m as well as nitrogen uptake by the biomass. This study reports preliminary results of the first year of experiments on soil inorganic nitrogen at harvest and the end of the leaching season. They indicate that living mulches may have a potential to decrease the nitrate leaching risk depending on the design of the cropping system.
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Claims 1
Claim · model-written summary
In-season living mulches may decrease the nitrate leaching risk in cauliflower cropping, depending on the cropping system design.
- Taxon
- cauliflower
Brassica oleracea var. botrytise0 - Treatment
- living mulchese1
- Outcome
- nitrate leaching riske1
- Direction
- decreasee1
- Qualifier
- depending on the design of the cropping systeme1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vegetables with a high nitrogen demand such as cauliflower”
e1“They indicate that living mulches may have a potential to decrease the nitrate leaching risk depending on the design of the cropping system”
The same questions in other papers
mulching · nutrient: content · Brassica oleracea (wild cabbage)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
6 papers more in this group
See all 10 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.