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 3 Aboveground dry matter yield and N uptake after split application of manure

Trts	First tomato			First rape			Second tomato			Second rape
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	9.8	29.3	9.9	1.6	14.9	3.1	12.9	40.3	10.5	2.9	29.9
T2	3.3	10.4	33.6	11.2	2.9	32.8	4	15.5	62.0	13.3	6.2	82.8
T3	3.6	14.1	50.6	12.7	7.7	98.0	5.8	17	100.2	15	9.9	148.5
Fpr	*	*	*	*	*	*	*	*	*	*	*	*
LSD (5 %)	0.1	3	3.9	0.2	0.2	1.4	0.1	2.3	2.7	0.2	0.5	5.6
CV %	0.9	15.3	5.9	1.2	2.7	1.6	1.8	10.4	2.3	1	4.2	4.5

T1—control, T2—15 Mg high N manure ha⁻¹ split into four 3.75 Mg ha⁻¹ per crop, T3—30 Mg high N manure ha⁻¹ split into four 7.5 Mg ha⁻¹ per crop, DM—dry matter yield, mg N g⁻¹ DM—milligrams of N per gram dry matter
* p > 0.05