200 grams, should be fairly dry.
Would there be any reason not to have literally spikes of Ca, b, mn, n, p, k, etc all on one mound?
The third N test logan does is total N. They do it because they say if your total N is good but nitrate and ammonical are low with no visable N deficiency the plants are producing proteases exudates and the soil biota is cycling peptides and proteins.