当前肥料市场不同短链聚磷酸盐肥料关键性状之比较

doi:10.3969/j.issn.1004-1524.20230476

浙江农业学报 ›› 2024, Vol. 36 ›› Issue (5): 1134-1143.DOI: 10.3969/j.issn.1004-1524.20230476

当前肥料市场不同短链聚磷酸盐肥料关键性状之比较

亢龙飞¹^,²(), 徐琳峰¹, 王诗荣¹, 江诚涛¹, 褚贵新¹^,^*()

1.绍兴文理学院生命与环境科学学院,浙江绍兴 312000
2.石河子大学农学院,新疆生产建设兵团绿洲生态农业重点实验室,新疆石河子 832000

收稿日期:2023-04-10 出版日期:2024-05-25 发布日期:2024-05-29
作者简介:亢龙飞(1995—),男,陕西榆林人,博士,讲师, 研究方向为土壤退化与区域特征。E-mail: kanglongfeishzu@163.com
通讯作者: * 褚贵新,E-mail: chuguixinshzu@163.com
基金资助:
兵团师域发展创新支持计划项目(2017BA041)

Comparison of key properties of short-chain polyphosphate fertilizers in market

KANG Longfei¹^,²(), XU Linfeng¹, WANG Shirong¹, JIANG Chengtao¹, CHU Guixin¹^,^*()

1. College of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China
2. Key Laboratory of Oasis Eco-Agriculture of Xinjiang Construction Corps, Agricultural College, Shihezi University, Shihezi 832000, Xinjiang, China

Received:2023-04-10 Online:2024-05-25 Published:2024-05-29

摘要/Abstract

摘要：

目前,市场所售的聚磷酸盐肥料质量参差不齐。该研究从全国肥料市场收集10种具有代表性的聚磷酸盐肥料,测定其总氮、总磷(以P₂O₅计)含量,及聚合度、聚合率和溶解度等指标,采用层次聚类方法和Mantel检验进行比较。结果显示,样品肥料的平均聚合度为4.00,测定值与标注值的平均偏差为6.38%;平均聚合率为83.8%,测定值与标注值的平均偏差为2.59%;总氮含量在8.6%~28.7%,测定值与标注值的平均偏差为2.59%;总磷含量在18.0%~64.2%。Mantel检验结果显示,总氮含量、总磷含量、酸碱度和盐分指数与肥料的聚合率有显著(P<0.05)关联,总磷含量、溶解度、盐分指数、缩二脲含量与聚合度有显著关联。结果表明,不同聚磷酸盐肥料的性质差异显著,且部分肥料指标的测定值与标注值之间具有明显差异。不同肥料生产单位亟须统一指标测定体系,以便提供精准、全面的商品信息。

关键词: 聚磷酸盐肥料, 溶解度, 聚合度, 聚合率, 磷肥

Abstract:

Currently, the quality of short-chain polyphosphate fertilizers varied greatly. In the present study, 10 typical short-chain polyphosphate fertilizer samples were collected from the fertilizer market in China. Main features of these samples, including the contents of total N and total P (based on P₂O₅), polymerization degree, polymerization rate, solubility, etc, were determined, and the cluster analysis and Mantel test method were employed to compare the differences of these samples. It was shown that the average degree of polymerization was 4.00, and the average deviation between the measured values and the labeled values was 6.38%. The average polymerization rate was 83.8%, and the average deviation between the measured values and the labeled values was 2.59%. The total N content of these samples ranged from 8.6% to 28.7%, and the average deviation between the measured values and the labeled values was 2.59%. The total P content of these samples was 18.0%-64.2%. Mantel test results demonstrated that the total N content, the total P content, the pH value and salinity index were significantly (P<0.05) correlated with polymerization rate, while the total P content, solubility, salt index and the content of biuret were significantly correlated with the degree of polymerization. In conclusion, the quality of short-chain polyphosphate fertilizers in market varied greatly, and the labeled values differed from the determined values of main features in short-chain polyphosphate fertilizers. Thus, it was urgent and necessary to establish a unified measurement system to provide more accurate and comprehensive information for consumers.

Key words: polyphosphate fertilizer, solubility, polymerization degree, polymerization rate, phosphorus fertilizer

中图分类号:

S143.2

亢龙飞, 徐琳峰, 王诗荣, 江诚涛, 褚贵新. 当前肥料市场不同短链聚磷酸盐肥料关键性状之比较[J]. 浙江农业学报, 2024, 36(5): 1134-1143.

KANG Longfei, XU Linfeng, WANG Shirong, JIANG Chengtao, CHU Guixin. Comparison of key properties of short-chain polyphosphate fertilizers in market[J]. Acta Agriculturae Zhejiangensis, 2024, 36(5): 1134-1143.

图/表 6

表1 不同聚磷酸盐肥料样品的标记信息

Table 1 Detailed information of different types of polyphosphate fertilizer samples

样品编号 Sample No.	产地 Producing area	养分(N-P₂O₅-K₂O)含量 Nutrinents (N-P₂O₅-K₂O) content/%	聚合度 Polymerization degree	聚合率 Polymerization rate/%	备注信息 Notes
S1	新疆Xinjiang	16-63-0	7.48	98.2	溶解度Solubility:340 g·L^-1
S2	内蒙古Inner Mongolia	25-46-0	4.93	94.2	溶解度Solubility:430 g·L^-1
S3	山西Shanxi	26-47-0	5.01	88.1	溶解度Solubility:470 g·L^-1
S4	河南Henan	14-55-0	4.40	88.1	pH=5.61
S5	湖南Hunan	29-47-0	3.82	94.1	pH=8.36
S6	广西Guangxi	9-18-17	3.61	53.3	复合肥 Compound fertilizer
S7	广东Guangdong	18-64-0	3.62	96.8	TE
S8	四川Sichuan	21-54-0	3.40	73.9	溶解度Solubility:990 g·L^-1
S9	云南Yunnan	25-52-17	3.37	97.7	复合肥Compound fertilizer
S10	浙江Zhejiang	19-54-0	3.19	76.2	溶解度Solubility:900 g·L^-1

图1 聚磷酸盐肥料样品的聚合度和聚合率柱上无相同字母的表示样品间差异显著(P<0.05)。下同。

Fig.1 Polymerization degree and polymerization rate of polyphosphate fertilizer samples Bars marked without the same letters indicate significant difference at P<0.05. The same as below.

图2 聚磷酸盐肥料样品的总氮和总磷含量总磷含量以P2O5计。

Fig.2 Total nitrogen and phosphorus content of polyphosphate fertilizer samples The total phosphorus content is recorded based on P2O5.

图3 聚磷酸盐肥料样品的溶解度、pH值、缩二脲含量和盐分指数

Fig.3 Solubiltiy, pH value, biuret content and salinity index of polyphosphate fertilizer samples

图4 聚磷酸盐肥料样品的聚类分析

Fig.4 Cluster analysis of polyphosphate fertilizer samples

图5 聚磷酸盐肥料样品主要指标的相关性分析与Mantel检验

Fig.5 Correlation analysis of main indexes and Mantel test result of polyphosphate fertilizer samples

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当前肥料市场不同短链聚磷酸盐肥料关键性状之比较

Comparison of key properties of short-chain polyphosphate fertilizers in market

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