On arable farms without livestock, nitrogen insufficiency can occur when cultivating nutrient-demanding crops like maize. This can lead to yield losses and weed infestation.
Ploughing in winter field peas in spring can provide more than 100 kg of nitrogen to the following crop and increase yield. The improved development of the crop also leads to improved weed control.
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Hansueli Dierauer, FiBL Switzerland
zenodo.org: Practice abstract "Winter field peas as green manure before nitrogen-demanding crops"