含硝化抑制剂DMPP复合肥对日光温室芹菜生长和营养品质的影响

应用生态学报

含硝化抑制剂DMPP复合肥对日光温室芹菜生长和营养品质的影响

伍少福^1,2;吴良欢¹;尹一萌³;杨曙东³;陈贤友¹

¹浙江大学环境与资源学院环境修复与生态健康教育部重点实验室，杭州 310029；
²浙江省绍兴市农业技术推广总站，浙江绍兴 312000；
³浙江省嵊州市农业科学研究所，浙江嵊州 312464

收稿日期:2006-02-27 修回日期:2006-11-25 出版日期:2007-02-10 发布日期:2007-02-10

Effects of DMPP-compound fertilizer on greenhouse celery growth and nutritional quality

WU Shao-fu^1,2;WU Liang-huan¹;YIN Yi-meng³;YANG Shu-dong³;CHEN Xian-you¹

¹Key Laboratory of Environmental Remediation and Ecosystem Health of Education Ministry, College
of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029, China;
²Agri-Technology Extension of Shaoxing City, Shaoxing 312000, Zhejiang, China;
³Shengzhou Institute of Agricultural Science, Shengzhou 312464, Zhejiang, China

Received:2006-02-27 Revised:2006-11-25 Online:2007-02-10 Published:2007-02-10

摘要/Abstract

摘要： 通过田间试验研究了含硝化抑制剂DMPP复合肥对日光温室芹菜生长和品质的影响. 结果表明，与普通复合肥相比，一次基施DMPP复合肥67.5和54.0 kg·hm^-2 氮处理分别使芹菜增产5.78%和10.14%； DMPP复合肥可降低芹菜可食部分硝酸盐含量，提高Vc、游离氨基酸、可溶性糖及氮、磷含量. 与分次施用相比，适当减少DMPP复合肥施用次数和用量可提高芹菜产量并改善其品质，降低生产成本.DMPP复合肥在施入土壤中后具有显著的硝化抑制作用，延缓了菜地土壤铵态氮向硝态氮的转化，降低了氮素向水体迁移的风险.芹菜收获后土壤中全氮、铵态氮、硝态氮残留较多，有利于保持地力.

关键词: 生物标志物, 溶酶体, 胁迫蛋白, 金属硫蛋白

Abstract: A field study with greenhouse celery (Apium graveolens L.) showed that compared with basal application of ordinary compound fertilizer, one-time basal application of DMPP-compound fertilizer (ENTEC^®, 12-12-17) at the rates of 67.5 kg N·hm^-2 and 54.0 kg N·hm^-2 increased the yield by 5.78% and 10.14%, respectively. The application of ENTEC^® also improved the nu-tritional quality of edible parts, e . g ., the Vc, amino acid, soluble sugar, N and P contents in-creased, while nitrate content decreased. Compared with basal plus side dressing applications, appropriately reducing the application rate and times of ENTEC^® had more beneficial effects on celery yield and quality, and reduced the production costs. ENTEC^® could suppress the transf-ormation of soil NH₄⁺-N to NO₃^--N effectively, and thus, its application could retain soil residual N more in NH₄⁺-N than in NO₃^--N form after celery harvested,resulting in a reduction of nitrate leaching.

Key words: Biomarkers, Lysosomes, Stress protein, Mettllothioneins

伍少福^1,2;吴良欢¹;尹一萌³;杨曙东³;陈贤友¹. 含硝化抑制剂DMPP复合肥对日光温室芹菜生长和营养品质的影响[J]. 应用生态学报.

WU Shao-fu^1,2;WU Liang-huan¹;YIN Yi-meng³;YANG Shu-dong³;CHEN Xian-you¹ . Effects of DMPP-compound fertilizer on greenhouse celery growth and nutritional quality[J]. Chinese Journal of Applied Ecology.

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