The Response of Broccoli and Cabbage to Soils with Different Fertilization Histories

Q4 Immunology and Microbiology
Yuong-How Tsai, I-Lun Huang, C. Chao, R. Chung
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引用次数: 2

Abstract

The purpose of this study was to investigate the growth, nitrogen (N) uptake and distribution, nitrate nitrogen (NO3(superscript -)-N) content of broccoli and cabbage as affected by different fertilizers, grown in soils with different fertilization histories. The field used in this study is located in Chi-san, at the Kaohsiung District Agricultural Improvement Station, in Southern Taiwan. The soils in this study were subjected to long-term studies, and were treated with organic fertilizer only (OF), chemical fertilizer only (CF), or a combination of organic and chemical fertilizers (IF), all of which were applied continuously. After transplantation, broccoli and cabbage plants were harvested at 75 and 70 days, respectively. The plants were separated into roots, leaves (wrapper leaves for cabbage), and heads. After drying to a constant weight at 65℃, the dry weight, nitrate N, total N, and insoluble N were determined, respectively. The results showed that the growth and N uptake of broccoli and cabbage from the OF-treated plot were the same or even higher than those from the CF and IF plots. The N use efficiency (NUE) for the OF plot was also higher. The NO3(superscript -)-N concentrations of both the entire broccoli and cabbage that received OF treatment were lower than those which received CF treatment. The total N and soluble N concentrations of organic fertilizer-treated broccoli were lower than those of the chemical fertilizer-treated ones; the reverse was true for cabbage. In conclusion, after 11 years of applying organic fertilizer and establishing the soil fertility, the crop yield of OF treatment, in which the application of N fertilizer was based on the mineralization capacity, can be as high as or higher than that of CF treatment, resulting in lower NO3(superscript -)-N concentrations in the plants.
花椰菜和卷心菜对不同施肥历史土壤的响应
研究了不同施肥方式对不同施肥历史土壤中西兰花和白菜生长、氮素吸收与分布、硝态氮(NO3 -)-N含量的影响。本研究使用的农地位于台湾南部高雄区农业改良站的志山。本研究对土壤进行了长期研究,采用单施有机肥(OF)、单施化肥(CF)或有机肥与化肥联合施用(IF),均为连续施用。移植后,西兰花和卷心菜植株分别在75天和70天收获。这些植物被分成根、叶(卷心菜的包皮叶)和头。在65℃干燥至恒重后,分别测定干重、硝态氮、总氮和不溶性氮。结果表明,有机肥处理地块西兰花和白菜的生长和氮吸收与有机肥和中肥地块相同甚至更高。旱地氮素利用效率(NUE)也较高。有机肥处理的西兰花和白菜整体NO3(上标-)- n浓度均低于CF处理。有机肥处理西兰花的全氮和可溶性氮浓度低于化肥处理;白菜的情况正好相反。综上所述,施用有机肥并建立土壤肥力后,以矿化能力为基础施用氮肥的of处理的作物产量可达到或高于CF处理,植株中NO3(上标-)-N浓度较低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Taiwanese Journal of Agricultural Chemistry and Food Science
Taiwanese Journal of Agricultural Chemistry and Food Science Immunology and Microbiology-Applied Microbiology and Biotechnology
CiteScore
0.10
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0.00%
发文量
1
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