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Research article - Peer-reviewed, 1995

Predictions of growth and nutritional value of forage leys with a dynamic model

Gustavsson, Anne-Maj


The model was tested on independent data from four experiments in three different locations over two or three years and at three levels of N fertilizer, making a total of 27 data sets (time series). The root mean square differences between predicted and observed values (RMSP) in percentage of the mean of observed values were for DM: 12-13%, for CP: 10-14% and for ME: 3-4%. Predictions of DM and ME two weeks before harvest were as accurate as predictions one week before harvest, but predictions of CP were less accurate for a two-week prediction.

Published in

Agricultural Systems
1995, volume: 47, number: 1, pages: 93-105

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UKÄ Subject classification

Agricultural Science

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