Soil testing methods, and modelling the nitrogen requirements for cereals
1989
Craighead, M.D. | Clark, S.A. (Ravensdown Fertiliser Co-operative, Christchurch (New Zealand))
Three soil testing methods; Deep Core Nitrate Nitrogen method, Aerobic Incubation method and Anaerobic Incubation method are described along with the Ravensdown Nitrogen Prediction Model which was designed for milling wheat. The model can be adjusted for feed wheats, barley, oilseed rape and grass seed
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Эту запись предоставил Ministry for Primary Industries