Seasonal Dynamics of N, P, and K in an Organic and Inorganic Fertilized Willow Biomass System

Figure 1

Dimensions of the PRS probe (a) and installation in the field (b). Two sets each of cation and anion probes were buried inside and outside RECs to measure soil nutrient supply and bioavailability, respectively, and in the double row and between the double rows in shrub willow biomass crops that had been amended with organic wastes and commercial fertilizer.

(a)

(b)