My field is only brown. What does it mean?

If you've selected the optimised map as the biomass layer to view in-field variability, the colour scale ranges from brown to purple shades.

 

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Crops in the early stages of growth, such as cereals in the 1st - 2nd leaf stage, have very low cover per square metre, so nitrogen uptake and therefore biomass is low.

 

In spring, cover is usually 60 - 80% (estimated N-uptake 20 - 35 kg N/ha) and the colours on the map are different shades of brown. Brown colours represent little or no growth in the field. Each shade of brown represents a range of growth. If the growth on the field is only within one growth range, the field will only be coloured that shade of brown. However, the brown colour will still indicate growth.

 

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