Acta Horticulturae Sinica ›› 2024, Vol. 51 ›› Issue (10): 2449-2468.doi: 10.16420/j.issn.0513-353x.2023-0738
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LI Shuang1,2, LIN Yongxin1, QIN Junhong1, LI Guangcun1, JIN Liping1, LIU Jiangang1,*(), BIAN Chunsong1,*(
)
Received:
2024-05-29
Revised:
2024-06-30
Online:
2024-10-25
Published:
2024-10-21
Contact:
LIU Jiangang, BIAN Chunsong
LI Shuang, LIN Yongxin, QIN Junhong, LI Guangcun, JIN Liping, LIU Jiangang, BIAN Chunsong. Research Progress in Potato Nitrogen Diagnosis[J]. Acta Horticulturae Sinica, 2024, 51(10): 2449-2468.
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URL: https://www.ahs.ac.cn/EN/10.16420/j.issn.0513-353x.2023-0738
诊断指标 Diagnosis index | 波长/植被指数 Wavelength/vegetation index | 参考文献 Reference |
---|---|---|
全氮或氮营养指数 N or NNI | — | Abdallah et al., |
叶绿素含量 Chlorophyll content | — | Botha et al., |
叶柄硝酸盐浓度 Petiole nitrate concentration | — | MacMurdo et al., |
叶片组织基因表达量 Leaf tissue gene expression | — | Zebarth et al., |
SPAD | 650和940 nm、710和850 nm、485 nm,560 nm,660 nm,830和1 650 nm | Vos & Bom, |
叶绿素荧光 Chlorophyll fluorescence | — | Cartelat et al., |
数码参数 Digital parameter | R/B、G/B | 李井会 等, |
植被指数 Vegetation index | NDVI、PVI、GNDVI、SAVI、MSAVI、TSAVI、RGFI、GRVI | Wu et al., |
高光谱反射率 Hyperspectral reflection | 400 ~ 2 350 nm、400 ~ 1 000 nm | Liu et al., |
高光谱变换光谱 Hyperspectral transform spectrum | — | 高兴, |
Table 1 Potato nitrogen diagnosis method
诊断指标 Diagnosis index | 波长/植被指数 Wavelength/vegetation index | 参考文献 Reference |
---|---|---|
全氮或氮营养指数 N or NNI | — | Abdallah et al., |
叶绿素含量 Chlorophyll content | — | Botha et al., |
叶柄硝酸盐浓度 Petiole nitrate concentration | — | MacMurdo et al., |
叶片组织基因表达量 Leaf tissue gene expression | — | Zebarth et al., |
SPAD | 650和940 nm、710和850 nm、485 nm,560 nm,660 nm,830和1 650 nm | Vos & Bom, |
叶绿素荧光 Chlorophyll fluorescence | — | Cartelat et al., |
数码参数 Digital parameter | R/B、G/B | 李井会 等, |
植被指数 Vegetation index | NDVI、PVI、GNDVI、SAVI、MSAVI、TSAVI、RGFI、GRVI | Wu et al., |
高光谱反射率 Hyperspectral reflection | 400 ~ 2 350 nm、400 ~ 1 000 nm | Liu et al., |
高光谱变换光谱 Hyperspectral transform spectrum | — | 高兴, |
Fig. 1 Dilution curve of critical nitrogen concentration of potato cultivars in different areas a:The critical nitrogen concentration dilution curve based on‘Bintje’plants in Belgium,and the formula is Nc (%) = 5.37W-0.45(Abdallah et al.,2016);b-c:The critical nitrogen concentration dilution curve was constructed based on Shepody and Russet Burbank plants in Canada,and the formula was Nc (%) = 5.04 W-0.42,Nc (%) = 4.57W-0.42(Giletto et al.,2020);d-h:The critical nitrogen concentration dilution curves were constructed based on Innovator,Gem Russet,Umatilla Russet,Bannock Russet and Markies Russet plants in Argentina. The formulas areNc (%) = 5.30W-0.42,Nc (%) = 5.32W-0.36,Nc (%) = 5.19W-0.25,Nc (%) = 5.30W-0.25,Nc (%) = 5.53W-0.25(Giletto et al.,2020);i:In Brazil,the critical nitrogen concentration dilution curve was constructed based on the comprehensive data of Agata and Electra plants,and the formula was Nc (%) = 3.86W-0.34(Soratto et al.,2022);j:In Argentina,the critical nitrogen concentration dilution curve was constructed based on processed potato varieties,and the formula was Nc (%) = 5.30W-0.42(Giletto & Echeverría,2012);k:In China,the critical nitrogen concentration dilution curve was constructed based on the plants of three varieties of Kexin 1,Holland 14 and Shepody,with the formula Nc (%) = 4.57 W-0.41(Zhang Jiakang,2020).
诊断方法 Diagnostic methods | 检测指标 Testing index | 参考文献 Reference |
---|---|---|
杜马斯燃烧法、凯氏定氮法Dumas combustion method,Kjeldahl nitrogen determination method | 土壤全氮Soil total nitrogen | 张薇 等, |
土壤硝酸盐诊断、矿质氮诊断Soil nitrate diagnosis,Mineral nitrogen diagnosis | 土壤硝酸盐、土壤矿质氮Soil nitrate, Soil mineral nitrogen | Bélanger et al., |
长期氧化培养法 Long-term oxidation culture method | 可矿化氮Mineralizable nitrogen | Sharifi et al., |
光谱分析法Spectral analysis | 土壤速效氮、土壤全氮、土壤有机质 Soil available nitrogen,Soil total nitrogen,Soil organic matter | 彭玉魁 等, |
孵化法Hatching method | 土壤硝态氮Soil nitrate nitrogen | Maas, |
离子选择电极Ion-selective electrode | 土壤硝态氮Soil nitrate nitrogen | Li et al., |
离子交换树脂膜 Ion exchange resin membrane | 土壤矿质氮Soil mineral nitrogen | Qian & Schoenau, |
放射性同位素示踪法 Radioisotope tracing method | 15N | Lavrent’eva & Pomazkina, |
放射性核素监测Radionuclide monitoring | 土壤全氮Soil total nitrogen | Taylor et al., |
热裂解 + 嗅觉系统 Thermal cracking + olfactory system | 土壤全氮Soil total nitrogen | Liu et al., |
Table 2 Soil nitrogen diagnosis methods
诊断方法 Diagnostic methods | 检测指标 Testing index | 参考文献 Reference |
---|---|---|
杜马斯燃烧法、凯氏定氮法Dumas combustion method,Kjeldahl nitrogen determination method | 土壤全氮Soil total nitrogen | 张薇 等, |
土壤硝酸盐诊断、矿质氮诊断Soil nitrate diagnosis,Mineral nitrogen diagnosis | 土壤硝酸盐、土壤矿质氮Soil nitrate, Soil mineral nitrogen | Bélanger et al., |
长期氧化培养法 Long-term oxidation culture method | 可矿化氮Mineralizable nitrogen | Sharifi et al., |
光谱分析法Spectral analysis | 土壤速效氮、土壤全氮、土壤有机质 Soil available nitrogen,Soil total nitrogen,Soil organic matter | 彭玉魁 等, |
孵化法Hatching method | 土壤硝态氮Soil nitrate nitrogen | Maas, |
离子选择电极Ion-selective electrode | 土壤硝态氮Soil nitrate nitrogen | Li et al., |
离子交换树脂膜 Ion exchange resin membrane | 土壤矿质氮Soil mineral nitrogen | Qian & Schoenau, |
放射性同位素示踪法 Radioisotope tracing method | 15N | Lavrent’eva & Pomazkina, |
放射性核素监测Radionuclide monitoring | 土壤全氮Soil total nitrogen | Taylor et al., |
热裂解 + 嗅觉系统 Thermal cracking + olfactory system | 土壤全氮Soil total nitrogen | Liu et al., |
[1] |
|
[2] |
|
[3] |
|
[4] |
|
[5] |
|
[6] |
|
[7] |
|
[8] |
|
[9] |
|
[10] |
|
[11] |
|
[12] |
|
[13] |
|
[14] |
|
[15] |
|
[16] |
|
陈述彭, 童庆禧, 郭华东. 1998. 遥感信息机理研究. 北京: 科学出版社.
|
|
[17] |
|
陈志慧, 孙洛新, 钟莅湘, 王琰, 尚保忠, 肖抒. 2014. 快速催化极谱法测定土壤中的有效态钼. 岩矿测试, 33 (4):584-588.
|
|
[18] |
|
[19] |
|
[20] |
|
戴建军, 王洪亮, 程岩. 2000. 测定植物样品全氮含量的两种方法比较. 东北农业大学学报, 31 (1):36-38.
|
|
[21] |
doi: 10.11924/j.issn.1000-6850.2014-1140 |
[22] |
|
[23] |
|
范凯, 胡双, 范冬梅, 汪瑛琦, 陆娅婷, 王校常. 2016. 植物类黄酮物质合成中的氮素调控. 植物生理学报, 52 (6):843-850.
|
|
[24] |
|
[25] |
|
[26] |
|
樊意广, 冯海宽, 刘杨, 边明博, 赵钰, 杨贵军, 钱建国. 2022. 利用无人机多源传感器估算马铃薯植株氮含量. 光谱学与光谱分析, 42 (10):3217-3225.
|
|
[27] |
FAO. 2023. https://www.fao.org/faostat/zh/#data/RFN/visualize.
|
[28] |
doi: 10.1002/agj2.20589 |
[29] |
|
[30] |
|
傅嘉敏, 耿琦, 王梦荷, 张丽霞, 黄晓琴, 韩晓阳. 2019. 基于电子鼻和分光测色仪技术的茶树叶片氮营养诊断. 植物营养与肥料学报, 25 (8):1413-1421.
|
|
[31] |
|
[32] |
|
高兴. 2018. 基于红边位置的马铃薯植株氮素营养监测[硕士论文]. 呼和浩特: 内蒙古农业大学.
|
|
[33] |
|
[34] |
|
[35] |
|
[36] |
|
[37] |
|
韩亚鲁, 李绍稳, 郑文瑞, 石胜群, 朱先志, 金秀, 2021. 基于集成提升算法的土壤速效氮近红外光谱回归预测. 激光与光电子学进展, 58 (16):555-565.
|
|
[38] |
|
[39] |
|
[40] |
|
[41] |
|
何山, 孙媛媛, 沈掌泉, 王珂. 2017. 大数据时代精准施肥模式实现路径及其技术和方法研究展望. 植物营养与肥料学报, 23 (6):1514-1524.
|
|
[42] |
|
何勇, 彭继宇, 刘飞, 张初, 孔汶汶. 2015. 基于光谱和成像技术的作物养分生理信息快速检测研究进展. 农业工程学报, 31 (3):174-189.
|
|
[43] |
|
[44] |
doi: 10.11924/j.issn.1000-6850.casb15040181 |
胡小宁, 杨张青, 苏伟波, 张玉民, 段铁城. 2015. 中性、石灰性土壤氮磷钾速测联合浸提剂的研究. 中国农学通报, 31 (34):229-233.
doi: 10.11924/j.issn.1000-6850.casb15040181 |
|
[45] |
|
黄德明. 2003. 十年来我国测土施肥的进展. 植物营养与肥料学报, 9 (4):495-499.
|
|
[46] |
|
[47] |
|
[48] |
|
江华, 马韶华. 2001. 青海省马铃薯植株NO3-诊断推荐施肥的初步研究. 中国马铃薯, 15 (3):154-155.
|
|
[49] |
|
[50] |
|
[51] |
|
[52] |
|
[53] |
|
[54] |
|
[55] |
|
[56] |
|
李建勇. 2008. 测土配方施肥中土壤有效氮钾测定方法研究[硕士论文]. 重庆: 西南大学.
|
|
[57] |
|
李井会, 朱丽丽, 宋述尧. 2006. 数字图像技术在马铃薯氮素营养诊断中的应用. 中国马铃薯,(5):257-260.
|
|
[58] |
|
李井会, 朱丽丽, 宋述尧. 2012. 应用数字图像技术进行马铃薯氮素营养诊断的研究. 安徽农业科学, 40 (6):3303-3305.
|
|
[59] |
|
[60] |
|
[61] |
|
[62] |
|
[63] |
|
李志宏, 王兴仁, 张福锁. 1997a. 我国北方地区几种主要作物氮营养诊断及追肥推荐研究 Ⅳ. 冬小麦—夏玉米轮作制度下氮素诊断及追肥推荐的研究. 植物营养与肥料学报, 3 (4):357-362.
|
|
[64] |
|
李志宏, 张福锁, 王兴仁. 1997b. 我国北方地区几种主要作物氮营养诊断及追肥推荐研究Ⅱ. 植株硝酸盐快速诊断方法的研究. 植物营养与肥料学报, 3 (3):268-274.
|
|
[65] |
|
梁顺林, 李小文, 王锦地. 2019. 定量遥感:理念与算法. 2版. 北京: 科学出版社.
|
|
[66] |
|
[67] |
|
[68] |
|
[69] |
|
[70] |
|
[71] |
|
[72] |
|
[73] |
|
[74] |
|
[75] |
|
[76] |
|
[77] |
|
[78] |
|
[79] |
|
[80] |
|
[81] |
|
[82] |
|
[83] |
|
[84] |
|
聂向荣, 樊明寿. 2009. 马铃薯氮素营养状况的SPAD仪诊断. 中国马铃薯,(23):203-207.
|
|
[85] |
|
[86] |
|
[87] |
|
[88] |
|
[89] |
|
[90] |
|
彭玉魁, 张建新, 何绪生, 卢恩双. 1998. 土壤水分、有机质和总氮含量的近红外光谱分析研究. 土壤学报,(4):553-559.
|
|
[91] |
|
[92] |
|
[93] |
|
[94] |
|
秦琳, 黄世群, 仲伶俐, 周虹, 赵珊, 向冰, 雷绍荣. 2020. 杜马斯燃烧法和凯氏定氮法在土壤全氮检测中的比较研究. 中国土壤与肥料,(4):258-265.
|
|
[95] |
|
[96] |
|
[97] |
|
[98] |
|
[99] |
|
[100] |
|
[101] |
|
[102] |
|
孙励敬, 高瞻, 李琳, 方肇伦. 1981. 土壤消煮液中全量氮的流动注射分析法. 土壤通报,(5):40-41.
|
|
[103] |
|
[104] |
|
陶勤南, 方萍, 吴良欢, 周维帮. 1990. 水稻氮素营养的叶色诊断研究. 土壤,(4):190-193,197.
|
|
[105] |
|
[106] |
|
[107] |
|
[108] |
|
[109] |
|
[110] |
|
[111] |
|
[112] |
|
[113] |
|
王金灿. 2018. GB 5009.5-2016《食品安全国家标准食品中蛋白质的测定》之5.1凯氏定氮法具体操作疑难解析. 食品安全导刊,( 30):54-55.
|
|
[114] |
doi: DOI: 10.13292/j.1000-4890.202109.030 |
魏全全, 李飞, 张萌, 陈龙, 芶久兰. 2021. 基于数字图像技术的马铃薯氮素营养估测及验证. 生态学杂志, 40 (9):3017-3024.
|
|
[115] |
|
[116] |
|
[117] |
|
[118] |
|
薛利红, 曹卫星, 罗卫红, 姜东, 孟亚利, 朱艳. 2003. 基于冠层反射光谱的水稻群体叶片氮素状况监测. 中国农业科学, 36 (7):807-812.
|
|
[119] |
doi: 10.16420/j.issn.0513-353x.2021-0436 |
闫文渊, 秦军红, 段绍光, 徐建飞, 简银巧, 金黎平, 李广存. 2022. 水氮耦合对马铃薯光合特性、块茎形成和品质的影响. 园艺学报, 49 (7):1491-1504.
doi: 10.16420/j.issn.0513-353x.2021-0436 |
|
[120] |
|
杨贵军, 赵春江, 李振海. 2019. 作物氮素定量遥感与应用. 北京: 科学出版社.
|
|
[121] |
|
[122] |
doi: 10.3964/j.issn.1000-0593(2019)09-2686-07 |
杨海波, 高兴, 黄绍福, 张加康, 杨柳, 李斐. 2019. 基于卫星波段的马铃薯植株氮素含量估测. 光谱学与光谱分析, 39 (9):2686-2692.
|
|
[123] |
doi: 10.3724/SP.J.1006.2020.94121 |
杨海波, 张加康, 杨柳, 贾禹泽, 刘楠, 李斐. 2020. 品种和生育时期对冠层光谱指数(NDVI)估测马铃薯植株氮素浓度的影响. 作物学报, 46 (6):950-959.
doi: 10.3724/SP.J.1006.2020.94121 |
|
[124] |
doi: 10.3969/j.issn.1006-8082.2020.02.002 |
杨红云, 周琼, 杨珺, 孙玉婷, 路艳. 2020. 水稻氮素营养诊断方法研究进展. 中国稻米, 26 (2):5-8,13.
doi: 10.3969/j.issn.1006-8082.2020.02.002 |
|
[125] |
|
杨敏华, 胡慧萍. 2000. 试谈遥感发展与农业信息获取. 遥感信息,(4):44-46.
|
|
[126] |
|
[127] |
doi: 10.3969/j.issn.1004-1524.2019.12.02 |
杨亚亚, 吴娜, 刘吉利, 杨娜娜, 蔡明, 何海锋. 2019. 马铃薯-燕麦间作对马铃薯氮含量和土壤氮素的影响. 浙江农业学报, 31 (12):1955-1962.
doi: 10.3969/j.issn.1004-1524.2019.12.02 |
|
[128] |
|
[129] |
|
[130] |
|
[131] |
|
[132] |
|
[133] |
|
张加康. 2020. 马铃薯和甜菜临界氮浓度稀释曲线的构建及应用[硕士论文]. 呼和浩特: 内蒙古农业大学.
|
|
[134] |
|
张薇, 付昀, 李季芳, 孟霞, 杨君. 2015. 基于凯氏定氮法与杜马斯燃烧法测定土壤全氮的比较研究. 中国农学通报, 31 (35):172-175.
doi: 10.11924/j.issn.1000-6850.casb15060137 |
|
[135] |
doi: 10.3864/j.issn.0578-1752.2022.18.008 |
张维理,
doi: 10.3864/j.issn.0578-1752.2022.18.008 |
|
[136] |
|
[137] |
|
张育灿. 2009. 广东省科学施肥改革开放30年回顾. 广东农业科学,(4):130-135.
|
|
[138] |
|
[139] |
pmid: 25881447 |
赵帅群, 刘刚, 欧全宏, 徐娟, 任静, 郝建明. 2014. 不同类型土壤的FTIR和ICP-MS分析. 光谱学与光谱分析, 34 (12):3401-3405.
pmid: 25881447 |
|
[140] |
|
[141] |
|
郑立华, 李民赞, 安晓飞, 孙红. 2010. 基于近红外光谱和支持向量机的土壤参数预测. 农业工程学报, 26 (S2):81-87.
|
|
[142] |
|
[143] |
|
周娜娜, 秦亚兵, 许强, 陈晓群. 2004. 马铃薯氮素营养诊断及追肥推荐模型的研究. 宁夏农林科技,(2):1-2.
|
|
[144] |
|
卓伟, 于旭峰, 李欣庭, 龚冬冬, 冯洁. 2020. 高光谱成像技术实现马铃薯叶片叶绿素无损检测. 光学仪器,42:1-8.
|
|
[145] |
|
[146] |
|
邹 琦. 2000. 植物生理学实验指导. 北京:中国农业出版社.
|
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