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Nitrogen cycle in Forest
Sean R Westley
basic N cycle in upland forest.
1 constant vs pool- dependent fluxes
2 rate constant, residence time
3 inhibition
uptake = u max(constant) * f and limiting factor - biomassÂ
The 1* is 100% uptake. this is not always, most dont use 100% thats too efficientÂ
1*([soil ammonium - kg/ha]/([soil ammonium - kg/ha]+[Half saturation constant- kg/ha]))*[Tree N - kg/ha]
**the half saturation constant is at 6 (soil Amonium / soil amonium + half saturation) making this value a 1 or greater. so giving the 0.5 makes = 1 saying its not limiting. think of this 4/4+.05 =1 or now 4/4+6= -num
flux = k * pool size