Nitrous oxide emission from wetland soil following single and seasonal split application of cattle manure to field tomato (Lycopersicon esculentum, Mill var. Heinz) and rape (Brassica napus, L. var. Giant) crops

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Table 4 Dry matter yield and N uptake by aboveground plant biomass following single application of manure

Trts	First tomato (2007–2008)			First rape (2008–2009)			Second tomato (2008–2009)			Second rape (2008–2009)
Trts	DM yield (T ha⁻¹)	mg N g⁻¹ DM	N uptake (kg ha⁻¹)	DM yield (T ha⁻¹)	mg N g⁻¹ DM	N uptake (kg ha⁻¹)	DM yield (T ha⁻¹)	mg N g⁻¹ DM	N uptake (kg ha⁻¹)	DM yield (T ha⁻¹)	mg N g⁻¹ DM	N uptake (kg ha⁻¹)
T1	3.0	7.0	20.9	10.5	1.5	9.1	3.1	9.1	28.2	10.1	2.2	32.3
T2	5.5	11.7	79.6	12.0	4.6	57.5	7.0	7.1	55.7	11.0	3.2	59.2
T3	8.5	17.2	146.2	16.5	8.5	136.2	9.5	16.1	138.2	16.5	5.8	121.8
Fpr	*	*	*	*	*	*	*	*	*	*	*	*
LSD (5 %)	0.1	0.8	0.7	1.4	1.3	0.5	0.5	1.6	1.2	1.0	1.2	0.6
CV %	1.0	4.1	5.3	6.2	15.4	5.4	4.2	6.6	7.4	3.8	12.4	6.8

Trts—treatments, T1—control, T2—15 Mg manure ha⁻¹ applied once in four cropping events, 30 Mg high N manure ha⁻¹ applied once in four cropping events, DM—dry matter yield, mg N g⁻¹ DM—milligrams of N per gram dry matter