Publication Date

1993

Description

Pasture composition, herbage yield and symbiotic nitrogen fixation were compared in traditional grasslands (either based on fertiliser N or legumes) and a grassland system (herbal Icy) based on a mixture of legumes, non-aggressive grasses and deep-rooting herbs. Herbal Icy was the most efficient system in terms of herbage production per unit of N input, offering the possibility of sustaining a high level of pasture production without fertiliser N and hence reducing the risk of N losses to the environment.

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Improving the Efficiency of Nitrogen Utilization in a Grassland Soil with Different Mixtures of Pasture Species

Pasture composition, herbage yield and symbiotic nitrogen fixation were compared in traditional grasslands (either based on fertiliser N or legumes) and a grassland system (herbal Icy) based on a mixture of legumes, non-aggressive grasses and deep-rooting herbs. Herbal Icy was the most efficient system in terms of herbage production per unit of N input, offering the possibility of sustaining a high level of pasture production without fertiliser N and hence reducing the risk of N losses to the environment.