Feasibility of cow dung compost substituting peat in seedling nursery of three Solanaceae plants

doi:10.3969/j.issn.1004-1524.2021.09.14

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (9): 1700-1709.DOI: 10.3969/j.issn.1004-1524.2021.09.14

• Environmental Science • Previous Articles Next Articles

Feasibility of cow dung compost substituting peat in seedling nursery of three Solanaceae plants

YIN Zexin(), ZHANG Lu^*(), HAO Dan, BAI Yifan

College of Forestry, Beijing Forestry University, Beijing 100083, China

Received:2020-12-07 Online:2021-09-25 Published:2021-10-09
Contact: ZHANG Lu

Abstract

Abstract:

To explore the feasibility of cow dung compost substituting peat in seedling nursery of three Solanaceae plants (eggplant, chili and tomato), the manure compost and peat were used as the main raw materials for seedling substrates, and five kinds of seedling substrates, including 100% (volume fraction, the same as below) cow dung compost (T1), 75% cow dung compost+25% peat (T2), 50% cow dung compost+50% peat (T3), 25% cow dung compost+75% peat (T4), and 100% peat (CK) were prepared. The physiochemical properties of the five seedling substrates were determined, as well as the emergence rates of three Solanaceae plants. Besides, the principal component analysis was introduced to analyze the relevances within the physicochemical properties of seedling substrates and the emergence rates of Solanaceae plants. It was shown that when the volume fraction of cow dung compost was no bigger than 75%, it could improve the nutrients contents and physical environment of seedling substrates. Under the above five seedling substrates, the emergence rates of eggplant were less than 80%, which did not meet the production standard. When the volume fraction of cow dung compost was 50%, the chili emergence rate was the highest (98%). When the volume fraction of cow dung compost was 25%, the tomato emergence rate was 88%. Although it was lower than that under CK (96%), the emergence rate still met the production standard. In general, neither cow dung compost nor peat were suitable for seedling nursery of eggplant, yet for the seedling nursery of chili and tomato, the substituion ratio of peat by cow dung compost could reach 50% and 25%, respectively.

Key words: cow dung compost, peat, Solanaceae vegetable, seedling substrate

CLC Number:

S641.04⁺.3

YIN Zexin, ZHANG Lu, HAO Dan, BAI Yifan. Feasibility of cow dung compost substituting peat in seedling nursery of three Solanaceae plants[J]. Acta Agriculturae Zhejiangensis, 2021, 33(9): 1700-1709.

Figures/Tables 6

References 39

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指标 Index	牛粪堆肥 Cow dung compost	泥炭 Peat
pH	7.56	5.85
EC/(mS·cm^-1)	3.24	0.77
全氮Total nitrogen/(g·kg^-1)	3.13	0.30
全磷Total phosphorus/(g·kg^-1)	14.40	6.55
全钾Total potassium/(g·kg^-1)	17.00	0.17
腐殖酸Humic acid/%	3.16	14.26
容重Bulk density/(g·cm^-3)	0.47	0.24

指标 Index	牛粪堆肥 Cow dung compost	泥炭 Peat
pH	7.56	5.85
EC/(mS·cm^-1)	3.24	0.77
全氮Total nitrogen/(g·kg^-1)	3.13	0.30
全磷Total phosphorus/(g·kg^-1)	14.40	6.55
全钾Total potassium/(g·kg^-1)	17.00	0.17
腐殖酸Humic acid/%	3.16	14.26
容重Bulk density/(g·cm^-3)	0.47	0.24

指标Index	T1	T2	T3	T4	CK
容重Bulk density/(g·cm^-3)	0.48±0.02 a	0.45±0.02 ab	0.44±0.02 ab	0.39±0.05 b	0.25±0.02 c
最大含水量Maximum water content/%	54.97±0.07 d	63.45±0.02 c	66.53±0.02 b	75.92±0.02 a	77.70±0.02 a
总孔隙度Total porosity/%	70.11±0.01 c	75.51±0.01 b	73.54±0.01 bc	78.28±0.01 ab	81.15±0.02 a
通气孔隙Aeration porosity/%	23.36±0.01 a	22.65±0.01 ab	20.99±0.01 bc	23.05±0.01 a	19.50±0.01 c
持水孔隙Water-holding porosity/%	46.75±0.01 d	52.86±0.01 c	52.55±0.01 c	55.23±0.01 b	61.65±0.01 a
pH	7.56±0.06 a	7.48±0.02 a	7.29±0.04 b	6.95±0.02 c	5.85±0.06 d
EC/(mS·cm^-1)	3.24±0.11 a	2.92±0.01 b	2.73±0.03 c	2.45±0.04 d	0.77±0.01 e
全氮Total nitrogen/(g·kg^-1)	3.13±0.31 a	2.88±0.01 a	1.19±0.02 b	1.00±0.07 b	0.30±0.01 c
全磷Total phosphorus/(g·kg^-1)	14.40±0.38 a	13.85±0.57 ab	12.16±0.19 bc	10.92±1.20 c	6.55±0.31 d
全钾Total potassium/(g·kg^-1)	17.00±0.53 a	16.60±0.01 a	12.97±0.40 b	10.56±0.73 c	0.17±0.16 d
速效磷Available phosphorus/(mg·kg^-1)	919.10±21.45 ab	947.11±9.13 a	875.47±6.06 bc	827.62±20.62 c	346.78±25.38 d
速效钾Available potassium/(mg·kg^-1)	2 630.21±57.32 a	2 705.06±24.39 a	2 513.59±16.21 a	2 374.49±58.84 a	1 174.51±245.19 b
碱解氮Alkaline nitrogen/(mg·kg^-1)	580.07±62.61 a	507.85±5.06 ab	509.48±6.87 ab	470.17±10.32 b	387.92±2.92 c
腐殖酸Humic acid/%	3.16±0.16 e	5.97±0.09 b	3.74±0.16 d	4.40±0.24 c	14.26±0.13 a
有机质Organic matter/(g·kg^-1)	151.79±7.36 e	203.61±11.49 d	342.10±7.36 c	417.31±19.04 b	929.09±34.77 a

指标Index	T1	T2	T3	T4	CK
容重Bulk density/(g·cm^-3)	0.48±0.02 a	0.45±0.02 ab	0.44±0.02 ab	0.39±0.05 b	0.25±0.02 c
最大含水量Maximum water content/%	54.97±0.07 d	63.45±0.02 c	66.53±0.02 b	75.92±0.02 a	77.70±0.02 a
总孔隙度Total porosity/%	70.11±0.01 c	75.51±0.01 b	73.54±0.01 bc	78.28±0.01 ab	81.15±0.02 a
通气孔隙Aeration porosity/%	23.36±0.01 a	22.65±0.01 ab	20.99±0.01 bc	23.05±0.01 a	19.50±0.01 c
持水孔隙Water-holding porosity/%	46.75±0.01 d	52.86±0.01 c	52.55±0.01 c	55.23±0.01 b	61.65±0.01 a
pH	7.56±0.06 a	7.48±0.02 a	7.29±0.04 b	6.95±0.02 c	5.85±0.06 d
EC/(mS·cm^-1)	3.24±0.11 a	2.92±0.01 b	2.73±0.03 c	2.45±0.04 d	0.77±0.01 e
全氮Total nitrogen/(g·kg^-1)	3.13±0.31 a	2.88±0.01 a	1.19±0.02 b	1.00±0.07 b	0.30±0.01 c
全磷Total phosphorus/(g·kg^-1)	14.40±0.38 a	13.85±0.57 ab	12.16±0.19 bc	10.92±1.20 c	6.55±0.31 d
全钾Total potassium/(g·kg^-1)	17.00±0.53 a	16.60±0.01 a	12.97±0.40 b	10.56±0.73 c	0.17±0.16 d
速效磷Available phosphorus/(mg·kg^-1)	919.10±21.45 ab	947.11±9.13 a	875.47±6.06 bc	827.62±20.62 c	346.78±25.38 d
速效钾Available potassium/(mg·kg^-1)	2 630.21±57.32 a	2 705.06±24.39 a	2 513.59±16.21 a	2 374.49±58.84 a	1 174.51±245.19 b
碱解氮Alkaline nitrogen/(mg·kg^-1)	580.07±62.61 a	507.85±5.06 ab	509.48±6.87 ab	470.17±10.32 b	387.92±2.92 c
腐殖酸Humic acid/%	3.16±0.16 e	5.97±0.09 b	3.74±0.16 d	4.40±0.24 c	14.26±0.13 a
有机质Organic matter/(g·kg^-1)	151.79±7.36 e	203.61±11.49 d	342.10±7.36 c	417.31±19.04 b	929.09±34.77 a

处理 Treatment	茄子 Eggplant	辣椒 Chili	番茄 Tomato
T1	20.00±2.00 b	63.30±6.33 b	23.30±2.33 c
T2	72.00±7.20 a	85.00±8.50 ab	68.00±6.80 b
T3	66.00±6.60 a	98.00±9.80 a	76.00±7.60 ab
T4	65.00±6.50 a	84.00±8.40 ab	88.00±8.80 ab
CK	78.00±7.00 a	92.00±9.20 a	96.00±7.43 a

Feasibility of cow dung compost substituting peat in seedling nursery of three Solanaceae plants

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指标 Index	茄子Eggplant		辣椒Chili		番茄Tomato
指标 Index	PC1	PC2	PC1	PC2	PC1	PC2
容重Bulk density	-0.993	-0.014	-0.993	-0.019	-0.994	-0.016
最大含水量Maximum water content	0.794	-0.515	0.771	0.530	0.802	-0.551
总孔隙度Total porosity	0.853	-0.383	0.832	0.241	0.856	-0.360
通气孔隙Aeration porosity	-0.864	0.063	-0.860	-0.065	-0.861	0.017
持水孔隙Water-holding porosity	0.923	-0.357	0.903	0.238	0.925	-0.324
pH	-0.993	-0.066	-0.995	-0.012	-0.993	-0.057
EC	-0.995	-0.094	-0.997	0.072	-0.993	-0.111
全氮Total nitrogen	-0.896	0.251	-0.888	-0.453	-0.902	0.316
全磷Total phosphorus	-0.994	-0.016	-0.995	-0.077	-0.996	-0.002
全钾Total potassium	-0.985	-0.171	-0.991	0.118	-0.983	-0.183
速效磷Available phosphorus	-0.975	-0.220	-0.984	0.160	-0.973	-0.232
速效钾Available potassium	-0.977	-0.211	-0.986	0.143	-0.975	-0.219
碱解氮Alkaline nitrogen	-0.966	0.219	-0.954	-0.154	-0.968	0.197
腐殖酸Humic acid	0.917	0.030	0.912	-0.255	0.912	0.126
有机质Organic matter	0.953	-0.227	0.944	0.327	0.957	-0.257
累积贡献率Cumulative contribution/%	87.27	96.37	92.64	98.13	88.01	97.26

指标 Index	茄子Eggplant		辣椒Chili		番茄Tomato
指标 Index	r	P	r	P	r	P
容重Bulk density	-0.600	0.285	-0.500	0.391	-1.000^**	<0.01
最大含水量Maximum water content	0.600	0.285	0.500	0.391	1.000^**	<0.01
总孔隙度Total porosity	0.700	0.188	0.300	0.624	0.900^*	0.037
通气孔隙Aeration porosity	-0.900^*	0.037	-0.900^*	0.037	-0.700	0.188
持水孔隙Water-holding porosity	0.700	0.188	0.300	0.624	0.900^*	0.037
pH	-0.600	0.285	-0.500	0.391	-1.000^**	<0.01
EC	-0.600	0.285	-0.500	0.391	-1.000^**	<0.01
全氮Total nitrogen	-0.600	0.285	-0.500	0.391	-1.000^**	<0.01
全磷Total phosphorus	-0.600	0.285	-0.500	0.391	-1.000^**	<0.01
全钾Total potassium	-0.600	0.285	-0.500	0.391	-1.000^**	<0.01
速效磷Available phosphorus	-0.300	0.624	-0.300	0.624	-0.900^*	0.037
速效钾Available potassium	-0.300	0.624	-0.300	0.624	-0.900^*	0.037
碱解氮Alkaline nitrogen	-0.700	0.188	-0.300	0.624	-0.900^*	0.037
腐殖酸Humic acid	0.900^*	0.037	0.400	0.505	0.700	0.188
有机质Organic matter	0.600	0.285	0.500	0.391	1.000^**	<0.01

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处理	牛粪堆肥Cow dung compost	泥炭Peat
T1	100	0
T2	75	25
T3	50	50
T4	25	75
CK	0	100

处理	牛粪堆肥Cow dung compost	泥炭Peat
T1	100	0
T2	75	25
T3	50	50
T4	25	75
CK	0	100