养分管理对生菜生物量与硝酸盐含量影响
[目的]为了研究养分管理对生菜生物量与硝酸盐含量影响。[方法]以滇池流域晋宁县上蒜乡田间试验的9个典型处理为基础,分析了生菜硝酸盐含量的变化,探索在不同施肥状况下,地上、地下部分生物量间的关系。[结果]试验结果表明,地上生物量在T5（N405P120K300）处理时达到最大,地上、地下生物量之比在9～17;硝酸盐含量除T7（N270P60K300）外,其余处理均超过3000 mg/kg,污染等级均为四级;在滇池流域生菜对氮施肥量需求不高,当氮施肥量为135 kg/hm^2,磷施肥量为120 kg/hm^2时,生菜地上生物量较高,且地上、地下生物量之比较大;无论任何处理生菜硝酸盐的含量都较高。[...
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| Published in | 西南农业学报 Vol. 30; no. 11; pp. 2552 - 2556 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
云南省高校特色生物资源开发与利用重点实验室,云南昆明650214%云南省农业科学院科研管理处,云南昆明,650205%西南林业大学环境科学与工程学院,云南昆明,650224%华东师范大学生态与环境科学学院,上海,200062%云南省高校生物炭工程研究中心,云南昆明,650214
2017
昆明学院农学院,云南昆明650214 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.16213/j.cnki.scjas.2017.11.028 |
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| Abstract | [目的]为了研究养分管理对生菜生物量与硝酸盐含量影响。[方法]以滇池流域晋宁县上蒜乡田间试验的9个典型处理为基础,分析了生菜硝酸盐含量的变化,探索在不同施肥状况下,地上、地下部分生物量间的关系。[结果]试验结果表明,地上生物量在T5（N405P120K300）处理时达到最大,地上、地下生物量之比在9～17;硝酸盐含量除T7（N270P60K300）外,其余处理均超过3000 mg/kg,污染等级均为四级;在滇池流域生菜对氮施肥量需求不高,当氮施肥量为135 kg/hm^2,磷施肥量为120 kg/hm^2时,生菜地上生物量较高,且地上、地下生物量之比较大;无论任何处理生菜硝酸盐的含量都较高。[结论]说明当地土壤和灌溉水氮含量很高,应减少氮肥的施用;控制氮肥施用,合理进行氮磷配比,是提高蔬菜品质,控制滇池农业面源污染的重要途径。 |
|---|---|
| AbstractList | Q948; [目的]为了研究养分管理对生菜生物量与硝酸盐含量影响.[方法]以滇池流域晋宁县上蒜乡田间试验的9个典型处理为基础,分析了生菜硝酸盐含量的变化,探索在不同施肥状况下,地上、地下部分生物量间的关系.[结果]试验结果表明,地上生物量在T5(N405P120K300)处理时达到最大,地上、地下生物量之比在9～17;硝酸盐含量除T7(N270P60K300)外,其余处理均超过3000 mg/kg,污染等级均为四级;在滇池流域生菜对氮施肥量需求不高,当氮施肥量为135 kg/hm2,磷施肥量为120 kg/hm2时,生菜地上生物量较高,且地上、地下生物量之比较大;无论任何处理生菜硝酸盐的含量都较高.[结论]说明当地土壤和灌溉水氮含量很高,应减少氮肥的施用;控制氮肥施用,合理进行氮磷配比,是提高蔬菜品质,控制滇池农业面源污染的重要途径. [目的]为了研究养分管理对生菜生物量与硝酸盐含量影响。[方法]以滇池流域晋宁县上蒜乡田间试验的9个典型处理为基础,分析了生菜硝酸盐含量的变化,探索在不同施肥状况下,地上、地下部分生物量间的关系。[结果]试验结果表明,地上生物量在T5（N405P120K300）处理时达到最大,地上、地下生物量之比在9～17;硝酸盐含量除T7（N270P60K300）外,其余处理均超过3000 mg/kg,污染等级均为四级;在滇池流域生菜对氮施肥量需求不高,当氮施肥量为135 kg/hm^2,磷施肥量为120 kg/hm^2时,生菜地上生物量较高,且地上、地下生物量之比较大;无论任何处理生菜硝酸盐的含量都较高。[结论]说明当地土壤和灌溉水氮含量很高,应减少氮肥的施用;控制氮肥施用,合理进行氮磷配比,是提高蔬菜品质,控制滇池农业面源污染的重要途径。 |
| Abstract_FL | [Objective] The study aims to study the effects of nutrition management on aboveground biomass,underground biomass and nitrate accumulation in lettuce,[Method] Nitrate accumulation of lettuce and the relationship between above-biomass and below-biomass were investigated in 9 typical field experiments in Shang Suan Village,Jin Ning County,Dian Chi Area.[Result] The max above-biomass appeared in T5(N4o5P120K300) and the ratio of above-biomass and below-biomass is from 9 to 17.The nitrate content were over 3000 mg/kg except T7 (N270P60K300),and all of their contamination levels were Lv.4.Lettuce in Dian Chi Area didn't demand too much N.The above-biomass was higher,and the ratio between above-biomass and below-biomass was bigger when the use of N was 13 kg/hm2 and P was 120 kg/hm2.No matter how many fertilization treated to the lettuce the content of nitrate was high.[Conclusion] It meant the N in irrigated water and soil was high,too.Less N should be applied to.It was a highly significant way to control the agriculture area-source pollution of Dian Chi and the quality of vegetable with N controlled,matched up with high usage of fertilizer. |
| Author | 夏体渊 张彩仙 年耀萍 高志文 达良俊 陈泽斌 |
| AuthorAffiliation | 昆明学院农学院,云南昆明650214 云南省高校特色生物资源开发与利用重点实验室,云南昆明650214 云南省农业科学院科研管理处,云南昆明650205 西南林业大学环境科学与工程学院,云南昆明650224 华东师范大学生态与环境科学学院,上海200062 云南省高校生物炭工程研究中心,云南昆明650214 |
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| Author_FL | NIAN Yao-ping ZHANG Cai-xian XIA Ti-yuan GAO Zhi-wen DA Liang-jun CHEN Ze-bin |
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| DOI | 10.16213/j.cnki.scjas.2017.11.028 |
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| DocumentTitleAlternate | Effect of Nutrition Management on Aboveground Biomass, Underground Biomass and Nitrate Accumulation in Lettuce |
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| Keywords | 硝酸盐 养分 Lettuce 生菜 生物量 Nitrate Biomass Nutrition management |
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| Notes | Nutrition management; Lettuce; Biomass;Nitrate XIA Ti-yuan1＇2 , ZHANG Cai-xian3 , NIAN Yao-ping4 , GAO Zhi-wen5 ,DA Liang-jun5 , CHEN Ze-bin6 （1. College of Agriculture, Kunming University, Yunnan Kunming 650214 , China; 2. Key Laboratory of Special Biological Resource Devel-opment and Utilization of Universities in Yunnan Province, Yunnan Kunming 650214, China; 3. Science and Technological Division, Yun-nan Academy of Agricultural Sciences, Yunnan Kunming 650231 , China; 4. Environmental Science and Engineering College, Sourthwest Forestry University, Yunnan Kuming 650224, China; 5. Ecology and Environmental Science College, East China Normal University, Shang-hai 200062, China ; 6 . Engineering Research Center for Biochar of High Education in Yunnan Province, Yunnan Kunming 650214 , China） 51-1213/S Objective 】The study aims to study the effects of nutrition management on aboveground biomass, undergroimd biomass and nitrate accumulation in lettuce, 【 Method】 Nitrate accumulation of lettuce and the relationship |
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| Publisher | 云南省高校特色生物资源开发与利用重点实验室,云南昆明650214%云南省农业科学院科研管理处,云南昆明,650205%西南林业大学环境科学与工程学院,云南昆明,650224%华东师范大学生态与环境科学学院,上海,200062%云南省高校生物炭工程研究中心,云南昆明,650214 昆明学院农学院,云南昆明650214 |
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| SubjectTerms | 养分 生物量 生菜 硝酸盐 |
| Title | 养分管理对生菜生物量与硝酸盐含量影响 |
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