Carbon-enriched organic amendments differently affect the soil chemical, biological properties and plant biomass in a cultivation time-dependent manner

Chemical and Biological Technologies in Agriculture

Table 2 Properties of manure variants used for the pot experiment

	Dry matter [%]	pH	N_NO₃ [mg kg⁻¹]	N_NH₄ [mg kg⁻¹]	N_min [mg kg⁻¹]	Ash [%]
M	30.0078 ± 0.0002	9.035 ± 0.298	14.642 ± 0.482	2.055 ± 0.068	16.697 ± 0.550	18.200 ± 0.600
M + H	31.2235 ± 0.0002	9.245 ± 0.305	15.581 ± 0.513	1.561 ± 0.051	17.142 ± 0.565	24.598 ± 0.822
M + HB	36.0109 ± 0.0002	8.705 ± 0.287	11.750 ± 0.388	2.581 ± 0.085	14.331 ± 0.473	42.019 ± 1.385

	TC [%]	P [g kg⁻¹]	K [g kg⁻¹]	Mg [g kg⁻¹]	Ca [g kg⁻¹]	TN [%]
M	9.100 ± 0.300	4.220 ± 0.140	84.365 ± 2.786	9.607 ± 0.317	20.930 ± 0.690	2.479 ± 0.082
M + H	12.300 ± 0.411	3.577 ± 0.120	87.568 ± 2.888	9.302 ± 0.307	22.679 ± 0.748	2.490 ± 0.082
M + HB	21.010 ± 0.692	3.041 ± 0.101	85.482 ± 2.824	7.986 ± 0.263	159.335 ± 5.261	1.991 ± 0.066

	C_HS [%]	C_HA [%]	C_FA [%]	HA:FA	C_org [%]	Zn [mg kg⁻¹]
M	7.412 ± 0.244	3.265 ± 0.108	4.147 ± 0.137	0.787 ± 0.026	13.503 ± 0.445	91.569 ± 3.025
M + H	3.016 ± 0.099	1.641 ± 0.054	1.375 ± 0.045	1.196 ± 0.040	12.454 ± 0.411	94.573 ± 3.141
M + HB	1.993 ± 0.066	1.334 ± 0.044	0.659 ± 0.022	2.037 ± 0.067	11.894 ± 0.392	27.745 ± 0.924

	Fe [g kg⁻¹]	B [mg kg⁻¹]	S [%]	AOB [copie g⁻¹]	nirS [copie g⁻¹]	dsr [copie g⁻¹]
M	1.144 ± 0.038	47.20 ± 1.56	0.786 ± 0.026	21.1 ± 0.033⋅10⁷	10.7 ± 0.020⋅10⁸	10 ± 0.01⋅10⁶
M + H	1.134 ± 0.037	43.78 ± 1.45	0.371 ± 0.012	10.1 ± 0.017⋅10⁷	18.7 ± 0.029⋅10⁸	150 ± 0.30⋅10⁶
M + HB	1.054 ± 0.035	58.31 ± 1.92	0.327 ± 0.011	7.46 ± 0.007⋅10⁷	18.5 ± 0.027⋅10⁸	9.6 ± 0.01⋅10⁶

Average values (n = 3) ± standard error of mean
The properties displayed are: N_NO₃, nitrogen in nitrate form, N_NH₄, ammonium nitrogen; N_min, mineral nitrogen; TC, total carbon; P, total phosphorus; K, total potassium; Mg, total magnesium; Ca, total calcium; TN, total nitrogen; C_HS, carbon in humic substances, C_HA, humic acid carbon; C_FA, fulvic acid carbon; HA:FA, humic: fulvic acid ratio; Zn, total zinc; Fe, total iron; B, total boron; S, total sulphur; AOB, amount of ammonia oxidizing bacteria (detected as amoA marker gene copies); nirS, amount of denitrifying microorganisms (detected as nirS marker gene copies); dsr amount of sulphur-reducing microorganisms (detected as dsr marker gene copies)