Effects of Iron Chlorine e6 and Plastic Film Mulching on Comprehensive Greenhouse Effect in Vegetable Field

doi:10.11924/j.issn.1000-6850.casb2024-0098

Abstract

Abstract:

To explore the comprehensive greenhouse effect of iron chlorine e6 and different types of plastic film mulching, this study conducted a field experiment, setting up three treatments: water + plastic mulching (CK), iron chlorine e6 + plastic film mulching (T1), and iron chlorine e6 + biodegradable film mulching (T2). Static chamber gas chromatography was used to analyze CH₄, N₂O, global warming potential (GWP) and greenhouse gas emission intensity (GHGI) in a vegetable field. The results showed that compared to CK, T2 significantly reduced CH₄ absorption by 59.4% and N₂O emissions by 25.6%. CH₄ emission was significantly positively correlated with dissolved organic carbon and microbial biomass carbon, while N₂O emission was significantly positively correlated with NO₃^--N and negatively correlated with DOC. Compared with T1, T2 significantly increased broccoli yield by 22.9%, significantly reduced GWP by 37.8%, and GHGI significantly decreased by 40.0% and 50.0% under T2 treatment, respectively, compared to CK and T1. In summary, it could be seen that the combination of iron chlorine e6 and biodegradable plastic film has an increase in production and emission reduction effect, and thus, can be recommended as a low-carbon technology model.

Key words: iron chlorine e6, biodegradable plastic film, vegetable field, CH₄, N₂O, global warming potential

HU Naijuan, CHEN Qian, PENG Hao, QIN Ruyi, DENG Sheng, SUN Hongwu. Effects of Iron Chlorine e6 and Plastic Film Mulching on Comprehensive Greenhouse Effect in Vegetable Field[J]. Chinese Agricultural Science Bulletin, 2024, 40(32): 123-128.

Figures/Tables 5

References 36

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处理	CH₄排放总量/(kg/hm²)	N₂O排放总量/(kg/hm²)	西蓝花产量/(t/hm²)	GWP/(kg/hm²)	GHGI/(kg/kg)
CK	-1.38±0.31b	3.79±0.36a	18.00±0.58b	966.54±91.24ab	0.05±0.01a
T1	-1.17±0.38ab	4.56±0.73a	19.27±0.51b	1176.34±194.47a	0.06±0.01a
T2	-0.56±0.21a	2.82±0.36b	24.99±0.72a	731.84±96.08b	0.03±0.01b

处理	CH₄排放总量/(kg/hm²)	N₂O排放总量/(kg/hm²)	西蓝花产量/(t/hm²)	GWP/(kg/hm²)	GHGI/(kg/kg)
CK	-1.38±0.31b	3.79±0.36a	18.00±0.58b	966.54±91.24ab	0.05±0.01a
T1	-1.17±0.38ab	4.56±0.73a	19.27±0.51b	1176.34±194.47a	0.06±0.01a
T2	-0.56±0.21a	2.82±0.36b	24.99±0.72a	731.84±96.08b	0.03±0.01b

处理	DOC	MBC	NH₄⁺-N	NO₃^--N	MBN
CK	32.61±0.41b	182.44±9.35c	3.63±0.22a	544.62±14.63ab	33.96±0.74a
T1	25.71±1.80c	206.23±4.70b	3.61±0.35a	566.80±7.00a	18.35±0.97b
T2	48.27±1.85a	267.16±7.16a	3.76±0.33a	522.75±19.35b	16.30±1.56c

处理	DOC	MBC	NH₄⁺-N	NO₃^--N	MBN
CK	32.61±0.41b	182.44±9.35c	3.63±0.22a	544.62±14.63ab	33.96±0.74a
T1	25.71±1.80c	206.23±4.70b	3.61±0.35a	566.80±7.00a	18.35±0.97b
T2	48.27±1.85a	267.16±7.16a	3.76±0.33a	522.75±19.35b	16.30±1.56c

指标	CH₄	N₂O	DOC	MBC	NH₄⁺-N	NO₃^--N	MBN	产量
CH₄	1
N₂O	-0.53	1
DOC	0.695^*	-0.903^**	1
MBC	0.880^**	-0.639	0.818^**	1
NH₄⁺-N	-0.258	-0.097	0.225	0.086	1
NO₃^--N	-0.546	0.742^*	-0.782^*	-0.632	0.102	1
MBN	-0.609	0.119	-0.28	-0.748^*	-0.072	0.057	1
产量	0.803^**	-0.712^*	0.877^**	0.970^**	0.277	-0.617	-0.669^*	1