DU Xiangge,DONG Min,WANG Feng,et al.Effects of Different Organic Manure Treatments on Nitrate and Nitrite Contents in Rape[J].Northern Horticulture,2017,41(16):128-131.[doi:10.11937/bfyy.20164714]
不同有机肥处理对油菜硝酸盐和亚硝酸盐含量的影响
- Title:
- Effects of Different Organic Manure Treatments on Nitrate and Nitrite Contents in Rape
- Keywords:
- rape; bamboo charcoal organic fertilizer; earthworm fat; nitrate; nitrite
- 文献标志码:
- A
- 摘要:
- 以油菜为试材,采用不同比例蚯蚓肥和竹炭有机肥混合处理,研究了不同时期(定植前、定植后30 d及收获前)不同施肥处理对油菜硝酸盐和亚硝酸盐含量的影响。结果表明:单独施用蚯蚓肥可提高油菜各时期叶片硝酸盐和亚硝酸盐含量,每667 m2施2 000 kg蚯蚓肥和6.25 kg竹炭有机肥能够显著降低有机油菜叶片内硝酸盐和亚硝酸盐的含量,降低幅度达到40%以上,远远低于国家标准。
- Abstract:
- Rape was used as test material,the effects of different organic manure treatments on nitrate and nitrite contents in rape leaves at different times(before engraftment,engraftment after 30 days and before harvest) were studied.The results showed that the contents of nitrate and nitrite increased significantly when earthworm fertilizer was used alone.However the combining of 2 000 kg earthworm fertilizer and 6.25 kg bamboo organic fertilizer per 667 m2 could reduce the contents of nitrate and nitrite by at least 40%,which was much better than the national standard.
参考文献/References:
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备注/Memo
第一作者简介:杜相革(1964-),男,博士,教授,现主要从事有机农业等研究工作。E-mail:duxge@cau.edu.cn. 基金项目:北京市叶类蔬菜产业创新团队资助项目(BAIC07-2016)。收稿日期:2017-03-13