The Use of Freshwater Sapropel in Agricultural Production: A New Frontier in Kenya

Table 1

Characteristics of the sapropel sample according to certified analysis on a fresh mass basis.

Parameter	Unit	Value
Organic matter	%	73.3 ± 0.9
Total P (P2O5)	%	0.15 ± 0.02
Total N	%	2.8 ± 0.3
K	%	0.22 ± 0.01
As	mgkg^−1	0.73 ± 0.07
Fe	mgkg^−1	7745 ± 775
Hg	mgkg^−1	0.30 ± 0.04
Cr	mgkg^−1	23 ± 2
Cd	mgkg^−1	1.1 ± 0.1
Ni	mgkg^−1	18 ± 1
Pb	mgkg^−1	9.5 ± 0.1
Cu	mgkg^−1	23 ± 2
Fulvic acid	%	10.1
Humic acid	%	5.4

Adopted from Grantina-ievina et al. [24].