Offered Papers Theme B: Grassland and the Environment

Description

Intensive grassland production, including the use of mineral fertilisers, has degraded the botanical diversity of grassland communities seriously (Chapman, 2001). There is little information on optimal amounts of soil nutrient availability to maintain/regenerate species-rich grassland communities. This study in Central Germany aimed to quantify the long-term effect of different N-, P-, K-supply combinations on biodiversity, expressed in terms of the Shannon-Index (Sh-Id), of 2 pastures classified as Lolio-Cynosuretum.

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Long-Term Effect of Levels of N-, P-, K-Supply on the Shannon-Index for Two Pastures Located in Central Germany

Intensive grassland production, including the use of mineral fertilisers, has degraded the botanical diversity of grassland communities seriously (Chapman, 2001). There is little information on optimal amounts of soil nutrient availability to maintain/regenerate species-rich grassland communities. This study in Central Germany aimed to quantify the long-term effect of different N-, P-, K-supply combinations on biodiversity, expressed in terms of the Shannon-Index (Sh-Id), of 2 pastures classified as Lolio-Cynosuretum.