Glossary

Definitions of key terms and words used used by the FAIRWAY project and in this website.


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ISIP

A process-oriented model which simulates N-mineralisation in the soil and adjusts real-time recommendation for N-fertilizers in winter wheat accordingly. Input variables are soil texture, crop rotation, yields quality expectations, prices of N-fertilizers and the wheat product, irrigation and depth of groundwater table. The required N-fertilizer is calculated by the sum of N-withdrawal + N in the soil which is not crop available - Nmin - N-mineralisation. Country of use: DE.



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