Components of the N fertilizer recommendation
The N-Expert system builds on the approaches of the Nmin system and the KNS system. The N target value in N-Expert is not determined in fertilizer trials, but calculated. This...
Category: N fertilizer recommendation
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How does N-Expert estimates Nmin values?
Technical background: Soil mineral N (Nmin) is estimated from several components. Nmin is increased by: + Mineral fertilization + Organic fertilization + Mineralization of soil organic matter (humus) + N...
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N-Expert, Nmin and KNS
The Nmin System , the crop accompanying Nmin System (KNS) , and N-Expert are three methods for determining fertilizer requirement of field vegetables. These three systems have been developed sequentially....