LI Jing,CHI Feng-qin,WEI Dan,et al.Effects of Different Organic Materials Returning to Field on the Content of Active Organic Carbon in Black Soil[J].Soybean Science,2016,35(06):975-980.[doi:10.11861/j.issn.1000-9841.2016.06.0975]
不同有机物料还田对黑土活性有机碳组分含量的影响
- Title:
- Effects of Different Organic Materials Returning to Field on the Content of Active Organic Carbon in Black Soil
- Keywords:
- Black soil; Organic material; Active organic carbon; WSOC; EOC; MBC
- 文献标志码:
- A
- 摘要:
- 采用小区试验,研究大豆-玉米轮作模式下不同有机物料还田处理对黑土土壤活性有机碳及其组分变化特征的影响。结果表明:不同有机物料还田处理显著提高土壤总有机碳含量,与单施化肥(NPK)相比,配施有机肥(MNPK)、化肥配施生物炭(BNPK)、秸秆全量还田(SNPK)分别增加3.04%、2.44%、1.66%;不同有机物料还田措施下土壤水溶性有机碳含量分别增加46.28%、7.57%、14.18%;配施有机肥(MNPK)对土壤易氧化有机碳含量起显著的促进作用,秸秆还田(SNPK)和配施生物炭(BNPK)分别增加土壤微生物量碳17.20%和14.23%。配施有机肥能提高水溶性有机碳比例和土壤微生物量碳比例。土壤活性有机碳各组分.之间存在显著相关性。有机肥与化肥的配施(MNPK)对于增加土壤活性有机碳含量和有效调控其关键组分具有重要作用。
- Abstract:
- The variation characteristics of the content and components of soil active organic carbon under soybean-corn rotation. Pattern with different organic materials returning to field were investigated in black soil with the plot experiment in Keshan. The results showed that the TOC content of the soil was significantly increased by different organic materials returning to the field, and the increment was 3.04%, 2.44% and 1.66%. Compared with the single application of chemical fertilizer (NPK), the content of WSOC in soil was increased by 46.28%, 7.57%and 14.18%.Fertilizer application of organic fertilizer (MNPK) on the content of EOC played a significant role in promoting, straw to field (SNPK) and the application of biological carbon (BNPK) increased soil MBC 17.20% and 14.23%.Manure application significantly increased the proportion of WSOC and MBC ratio. There was a significant correlation among the components of soil active organic carbon. Therefore, in the field experiment, appropriate application of organic manure and chemical fertilizers(MNPK) played an important role for the increase of soil active organic carbon content and the effective control of its key components.
参考文献/References:
[1]马超,周静,刘满强,等.秸秆促腐还田对土壤养分及活性有机碳的影响[J].土壤学报,2013,53(5):915-921.(Ma C, Zhou J, Liu M Q, et al. Effects of straw mulching on soil nutrients and active organic carbon [J]. Journal of Soil Science, 2013,53(5):915-921.)
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备注/Memo
基金项目:农业部行业专项(201303095,201303126) ;黑龙江省农业科学院博士启动金(201507-25);粮食丰产增效科技创新项目(2016YFD0300806);国家现代农业产业技术体系(CARS-04-01A)。