LI Nai-hui,GONG Xiao-ya,XIE Hua,et al.Effects of Mixed Catch of Different Cover Crops on Cucumber Growth and Soil Available Nutrient[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(01):87-91.[doi:10.11942/j.issn1002-2767.2020.01.0087]
多种作物混合填闲对黄瓜生长及土壤速效养分的影响
- Title:
- Effects of Mixed Catch of Different Cover Crops on Cucumber Growth and Soil Available Nutrient
- Keywords:
- cucumber; continuous cropping; mixed catch of different cover crops; soil available nutrient
- 文献标志码:
- A
- 摘要:
- 为促进黄瓜连作障碍的修复,以连作3年的设施黄瓜的土壤为研究对象,以黄瓜为主栽作物,分别以小麦、茼蒿、芥菜和三叶草为冬季填闲作物,采用一种作物填闲,两种作物和四种作物混合填闲的模式研究多种作物混合填闲对黄瓜生长以及土壤速效养分的影响。结果表明:多种作物混合填闲对黄瓜生长和土壤速效氮含量的影响不显著,但显著改变了土壤pH、EC值、有机碳、速效磷和速效钾含量。
- Abstract:
- In order to promote the repair of cucumber continuous cropping obstacle,in this study we investigated the cucumber seedling biomass and soil available nutrient in one species cover crop catch,two species cover crops mixed catch and four species cover crops mixed catch systems.The soil of the cucumber planted for 3 years in continuous crops was taken as the research object at pot experiments.The main crops were cucumbers,and wheat (Triticum aestivum L.),chrysanthemum (Chrysanthemum coronarium L.),mustard (Brassica juncea L.) and trifolium (Trifolium repens L.) as catch crops.The results showed that the cucumber seedling biomass and soil available nitrogen content had no significant differences.However,the soil pH,EC value,soil organic carbon,soil available phosphorus and potassium contents were significant differences in one species cover crop catch,two species cover crops mixed catch and four species over crops mixed catch systems.
参考文献/References:
[1]Cook R J.Toward cropping systems that enhance productivity and sustainability[J].PNAS,2006,103:18389-18394.
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备注/Memo
收稿日期:2019-07-08基金项目:国家大宗蔬菜产业技术体系专项(CARS-25)。