Effects of Three Biochars as Adsorbents on Soils Adsorbing Ammonium Nitrogen in Biogas Slurry

Table 1

Characteristics of soils used in this assay.

Parameters	Sandy soil (T1)	Loamy soil (T2)
Total solid (%)	96.40	97.26
Organic matter (%)	6.39	8.24
Field capacity (%)	21.22	23.16
Sand content (>0.074 mm, %)	93.37	86.48
pH	7.3	7.6