Predicting Mineral N Release during Decomposition of Organic Wastes in Soil by Use of the SOILN_NO Model

Table 7

Seasonal NO₃ ⁻ leaching and net NO₃ ⁻ leaching (NO₃ ⁻ leaching (treated with organic matter)-NO₃ ⁻ leaching (control)). a = autumn, s = spring.

Treatment	Soil	Yr1_a		Yr2_s		Yr2_a		Yr3_s		Yr3_a
		g N m^−2	Net g N m^−2	g N m^−2	Net g N m^−2	g N m^−2	Net g N m^−2	g N m^−2	Net g N m^−2	g N m^−2	Net g N m^−2
Control	A	6.11		0.45		2.72		2.59		0.93
Control	B	2.93		0.41		1.45		1.34		0.23
Control	C	1.88		0.39		0.91		0.98		0.90
Control	D	2.88		0.21		1.49		0.64		1.30
OW4	A	5.17	−0.95	2.25	1.79	2.25	−0.48	3.03	0.44	1.35	0.42
OW4	B	1.98	−0.95	0.39	−0.02	1.35	−0.11	2.15	0.81	0.16	−0.08
OW4	C	1.87	0.00	0.34	−0.05	1.74	0.83	1.83	0.84	0.19	−0.72
OW4	D	3.34	0.46	0.18	−0.03	2.34	0.85	1.02	0.38	0.39	−0.92
CF	A	6.14	0.02	0.43	−0.03	3.89	1.16	3.93	1.34	2.43	1.50
CF	B	2.84	−0.10	0.51	0.10	3.01	1.55	4.20	2.85	0.52	0.29
CF	C	2.63	0.75	0.40	0.01	1.77	0.86	3.23	2.24	1.21	0.31
CF	D	3.55	0.67	0.20	0.00	4.94	3.46	1.88	1.24	1.52	0.22
OW4 + CF	A	7.09	0.98	0.37	−0.09	4.86	2.14	5.80	3.21	2.67	1.74
OW4 + CF	B	2.60	−0.33	0.52	0.10	2.42	0.97	4.43	3.09	0.71	0.47
OW4 + CF	C	2.95	1.08	0.45	0.06	2.26	1.35	4.09	3.11	1.34	0.44
OW4 + CF	D	4.09	1.21	0.22	0.01	5.97	4.48	2.17	1.54	1.77	0.47