Acta Prataculturae Sinica ›› 2021, Vol. 30 ›› Issue (10): 63-72.DOI: 10.11686/cyxb2020393
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Shi-jing ZHOU1(), Jia-ning LUO1, Zhong-miao LIU1, Chao DONG1, Yan QIN2, Shu-juan WU1, Hong-jun GAN3, Fei XIE3, Guang-hui ZHUANG3, Bing-zhe FU4, De-cao NIU1()
Received:
2020-08-19
Revised:
2020-12-02
Online:
2021-09-16
Published:
2021-09-16
Contact:
De-cao NIU
Shi-jing ZHOU, Jia-ning LUO, Zhong-miao LIU, Chao DONG, Yan QIN, Shu-juan WU, Hong-jun GAN, Fei XIE, Guang-hui ZHUANG, Bing-zhe FU, De-cao NIU. The effects of Vicia sativa planting density on soil microbial nutrient metabolism[J]. Acta Prataculturae Sinica, 2021, 30(10): 63-72.
项目 Item | 指标 Index | 低密度组 Low density | 高密度组 High density |
---|---|---|---|
生物量 Biomass | 整体植物地上生物量Above ground biomass of each pot (g·盆Pot-1) | 3.32±0.21b | 7.86±0.40a |
整体植物地下生物量Under ground biomass of each pot (g·pot-1) | 2.08±0.37b | 6.43±1.16a | |
整体植物总生物量Total biomass of each pot (g·pot -1) | 5.40±0.48b | 14.29±0.98a | |
单株植物地上生物量Above ground biomass of each plant (mg·株Plant-1) | 174.63±11.20a | 196.60±9.96a | |
单株植物地下生物量Under ground biomass of each plant (mg·plant-1) | 109.58±19.65a | 160.70±28.96a | |
单株植物总生物量Total biomass of each plant (mg·plant -1) | 284.21±25.30a | 357.30±24.52a | |
养分积累量 Nutrient accumulation | 整体植物碳积累量Content of C accumulation of each pots (mg·pot -1) | 2091.90±169.55b | 5125.18±244.05a |
整体植物氮积累量Content of N accumulation of each pot (mg·pot -1) | 104.71±6.23b | 265.42±21.11a | |
整体植物磷积累量Content of P accumulation of each pot (mg·pot -1) | 7.34±0.54b | 16.69±1.61a | |
单株植物碳积累量Content of C accumulation of each plant (mg·plant -1) | 110.10±8.92a | 128.13±6.10a | |
单株植物氮积累量Content of N accumulation of each plant (mg·plant -1) | 5.51±0.33a | 6.64±0.53a | |
单株植物磷积累量Content of P accumulation of each plant (mg·plant -1) | 0.39±0.03a | 0.42±0.04a | |
养分积累计量比 Nutrient accumulation ratio | 植物养分积累总量C∶N。C∶N ratio of total plant nutrient accumulation. | 19.92±0.88a | 19.55±0.89a |
植物养分积累总量C∶P。C∶P ratio of total plant nutrient accumulation. | 285.22±13.58a | 315.29±24.38a | |
植物养分积累总量N∶P。N∶P ratio of total plant nutrient accumulation. | 14.38±0.68a | 16.13±1.00a |
Table 1 Biomass and C, N and P accumulation in V. sativa planted with different densities
项目 Item | 指标 Index | 低密度组 Low density | 高密度组 High density |
---|---|---|---|
生物量 Biomass | 整体植物地上生物量Above ground biomass of each pot (g·盆Pot-1) | 3.32±0.21b | 7.86±0.40a |
整体植物地下生物量Under ground biomass of each pot (g·pot-1) | 2.08±0.37b | 6.43±1.16a | |
整体植物总生物量Total biomass of each pot (g·pot -1) | 5.40±0.48b | 14.29±0.98a | |
单株植物地上生物量Above ground biomass of each plant (mg·株Plant-1) | 174.63±11.20a | 196.60±9.96a | |
单株植物地下生物量Under ground biomass of each plant (mg·plant-1) | 109.58±19.65a | 160.70±28.96a | |
单株植物总生物量Total biomass of each plant (mg·plant -1) | 284.21±25.30a | 357.30±24.52a | |
养分积累量 Nutrient accumulation | 整体植物碳积累量Content of C accumulation of each pots (mg·pot -1) | 2091.90±169.55b | 5125.18±244.05a |
整体植物氮积累量Content of N accumulation of each pot (mg·pot -1) | 104.71±6.23b | 265.42±21.11a | |
整体植物磷积累量Content of P accumulation of each pot (mg·pot -1) | 7.34±0.54b | 16.69±1.61a | |
单株植物碳积累量Content of C accumulation of each plant (mg·plant -1) | 110.10±8.92a | 128.13±6.10a | |
单株植物氮积累量Content of N accumulation of each plant (mg·plant -1) | 5.51±0.33a | 6.64±0.53a | |
单株植物磷积累量Content of P accumulation of each plant (mg·plant -1) | 0.39±0.03a | 0.42±0.04a | |
养分积累计量比 Nutrient accumulation ratio | 植物养分积累总量C∶N。C∶N ratio of total plant nutrient accumulation. | 19.92±0.88a | 19.55±0.89a |
植物养分积累总量C∶P。C∶P ratio of total plant nutrient accumulation. | 285.22±13.58a | 315.29±24.38a | |
植物养分积累总量N∶P。N∶P ratio of total plant nutrient accumulation. | 14.38±0.68a | 16.13±1.00a |
指标 Index | 对照组 CK | 低密度组 Low density | 高密度组 High density |
---|---|---|---|
土壤有机碳 Soil organic carbon (SOC, g·kg-1) | 4.78±0.37b | 5.98±0.10a | 5.78±0.13a |
土壤全氮Soil total nitrogen (TN, g·kg-1) | 0.37±0.04a | 0.45±0.04a | 0.34±0.07a |
土壤全磷 Soil total phosphorus (TP, g·kg-1) | 0.76±0.01a | 0.78±0.02a | 0.71±0.01b |
可溶性有机碳Dissolved organic carbon (DOC, mg·kg-1) | 106.70±8.18a | 117.33±8.54a | 91.60±6.53a |
可溶性总氮Dissolved total nitrogen (DTN, mg·kg-1) | 13.11±1.85a | 11.37±1.28a | 9.61±0.78a |
可溶性无机磷 Dissolved inorganic phosphorus (DIP, mg·kg-1) | 4.91±0.19a | 4.42±0.35a | 3.39±0.14b |
RC∶N | 8.44±0.57a | 10.62±0.89a | 9.61±0.45a |
RC∶P | 21.83±1.73a | 27.83±3.24a | 27.35±2.69a |
RN∶P | 2.68±0.37a | 2.70±0.47a | 2.88±0.32a |
Table 2 Nutrient content of soil under different planting densities
指标 Index | 对照组 CK | 低密度组 Low density | 高密度组 High density |
---|---|---|---|
土壤有机碳 Soil organic carbon (SOC, g·kg-1) | 4.78±0.37b | 5.98±0.10a | 5.78±0.13a |
土壤全氮Soil total nitrogen (TN, g·kg-1) | 0.37±0.04a | 0.45±0.04a | 0.34±0.07a |
土壤全磷 Soil total phosphorus (TP, g·kg-1) | 0.76±0.01a | 0.78±0.02a | 0.71±0.01b |
可溶性有机碳Dissolved organic carbon (DOC, mg·kg-1) | 106.70±8.18a | 117.33±8.54a | 91.60±6.53a |
可溶性总氮Dissolved total nitrogen (DTN, mg·kg-1) | 13.11±1.85a | 11.37±1.28a | 9.61±0.78a |
可溶性无机磷 Dissolved inorganic phosphorus (DIP, mg·kg-1) | 4.91±0.19a | 4.42±0.35a | 3.39±0.14b |
RC∶N | 8.44±0.57a | 10.62±0.89a | 9.61±0.45a |
RC∶P | 21.83±1.73a | 27.83±3.24a | 27.35±2.69a |
RN∶P | 2.68±0.37a | 2.70±0.47a | 2.88±0.32a |
指标Index | 对照组 CK | 低密度组 Low density | 高密度组 High density |
---|---|---|---|
土壤微生物生物量碳Soil microbial biomass carbon (SMBC, mg·kg-1) | 118.67±14.64b | 119.50±23.90b | 194.42±8.03a |
土壤微生物生物量氮Soil microbial biomass nitrogen (SMBN, mg·kg-1) | 19.27±2.04c | 33.12±2.62b | 51.01±5.24a |
土壤微生物生物量磷 Soil microbial biomass phosphorus (SMBP, mg·kg-1) | 31.78±12.79a | 12.49±2.90a | 22.80±3.17a |
SMBC∶SMBN | 6.25±0.59a | 3.58±0.57b | 3.96±0.37b |
SMBC∶SMBP | 5.84±1.64a | 15.81±7.70a | 9.62±2.03a |
SMBN∶SMBP | 1.06±0.42a | 3.67±1.24a | 2.52±0.56a |
Table 3 Soil microbial biomass carbon, nitrogen, phosphorus and stoichiometric ratios under different planting densities
指标Index | 对照组 CK | 低密度组 Low density | 高密度组 High density |
---|---|---|---|
土壤微生物生物量碳Soil microbial biomass carbon (SMBC, mg·kg-1) | 118.67±14.64b | 119.50±23.90b | 194.42±8.03a |
土壤微生物生物量氮Soil microbial biomass nitrogen (SMBN, mg·kg-1) | 19.27±2.04c | 33.12±2.62b | 51.01±5.24a |
土壤微生物生物量磷 Soil microbial biomass phosphorus (SMBP, mg·kg-1) | 31.78±12.79a | 12.49±2.90a | 22.80±3.17a |
SMBC∶SMBN | 6.25±0.59a | 3.58±0.57b | 3.96±0.37b |
SMBC∶SMBP | 5.84±1.64a | 15.81±7.70a | 9.62±2.03a |
SMBN∶SMBP | 1.06±0.42a | 3.67±1.24a | 2.52±0.56a |
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