pH响应材料及其在智能肥料中的应用

doi:10.16085/j.issn.1000-6613.2023-1096

化工进展 ›› 2024, Vol. 43 ›› Issue (8): 4477-4489.DOI: 10.16085/j.issn.1000-6613.2023-1096

• 材料科学与技术 • 上一篇

pH响应材料及其在智能肥料中的应用

王洋¹(), 张苗苗¹, 吕阳¹, 侯翠红², 危常州³, 马文奇⁴, 张福锁¹, 申建波¹()

^1.养分资源高效利用全国重点实验室，绿色智能肥料创新农业农村部重点实验室，植物-土壤相互作用教育部重点实验室，中国农业大学资源与环境学院，国家农业绿色发展研究院，北京 100193
^2.国家钙镁磷复合肥技术研究推广中心，教育部先进功能材料制造工程研究中心，郑州大学化工学院，河南郑州 450001
^3.石河子大学农学院，新疆石河子 832003
^4.河北农业大学资源与环境科学学院，河北保定 071001

收稿日期:2023-07-02 修回日期:2023-08-05 出版日期:2024-08-15 发布日期:2024-09-02
通讯作者: 申建波
作者简介:王洋（1997—），男，博士研究生，研究方向为绿色智能肥料创新。E-mail：b20223030281@cau.edu.cn。
基金资助:
云南省重大科技专项(202102AE090053);云南（昆明）院士专家工作站项目(YSZJGZZ-2022034);生物刺激素绿色提质增效技术研究项目(YTH-4320-WB-FW-2023-004078-00)

pH-responsive materials and their applications in intelligent fertilizer

WANG Yang¹(), ZHANG Miaomiao¹, LYU Yang¹, HOU Cuihong², WEI Changzhou³, MA Wenqi⁴, ZHANG Fusuo¹, SHEN Jianbo¹()

^1.State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, Key Laboratory of Plant-Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China
^2.National Center for Research & Popularization of Calcium, Magnesium, Phosphate and Compound Fertilizer Technology, MOE Engineering Research Center of Advanced Functional Material Manufacturing, School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China
^3.College of Agronomy, Shihezi University, Shihezi 832003, Xinjiang, China
^4.College of Resources and Environmental Sciences, Hebei Agricultural University, Baoding 071001, Hebei, China

Received:2023-07-02 Revised:2023-08-05 Online:2024-08-15 Published:2024-09-02
Contact: SHEN Jianbo

摘要/Abstract

摘要：

肥料行业的发展正从传统化肥向新型肥料转变。肥料使用在保障粮食安全方面发挥了重大作用，但传统肥料利用率低、养分损失大、环境风险加剧，大多数肥料产品不能按照作物的营养需求规律实现养分精准供应。而智能肥料的研发与创新为解决该问题提供了有效途径，在时空上更精准匹配作物对养分的需求。本文系统综述了pH响应材料的类型、来源及响应机理，探讨pH响应材料的化学结构对pH响应行为的影响，提出pH响应材料促进根肥互馈的观点，剖析pH响应材料在智能肥料中的应用前景，进一步明确pH响应材料在绿色智能肥料创制领域的应用潜力、未来的研究方向及面临的挑战。文章以根肥互馈理念为核心，综合考虑pH响应材料与作物根际酸化效应，设计并利用pH响应材料把根分泌物与智能肥料有机连接，提出开发pH响应肥料的创新思路，指出根肥互馈是协同肥料养分释放和作物养分吸收的关键，提出基于根肥互馈原理匹配作物养分需求规律且具有环境友好性的绿色智能肥料将成为新型肥料的发展趋势。

关键词: pH响应材料, 聚合物, 化学过程, 凝胶, pH响应肥料, 根肥互馈

Abstract:

The development of the fertilizer industry is changing from traditional fertilizers to new-type fertilizers. The use of fertilizers has played a major role in ensuring food security, but the traditional fertilizers have low utilization rates, large nutrient losses and increased environmental risks. Most fertilizer products cannot achieve precise nutrient supply according to the nutrient requirements of crops. The research, development and innovation of intelligent fertilizers provide an effective way to solve this problem, matching the nutrient needs of crops more accurately in time and space. This paper systematically reviewed the types, sources and response mechanisms of pH-responsive materials, discussed the influence of the chemical structure of pH-responsive materials on pH-responsive behaviors, put forward the viewpoints that pH-responsive materials could promote the mutual feedback between root and fertilizer, analyzed the prospects of pH-responsive materials' application in intelligent fertilizers, and further clarified the application potential, the future research directions and the challenges of integrating pH-responsive materials into the field of green intelligence fertilizer creation. Based on the concept of mutual feedback between root and fertilizer, and comprehensively considering pH-responsive materials and the acidification of crop rhizosphere, the paper highlighted the designs of pH-responsive materials as a connection between root exudates and intelligent fertilizers, and put forward an innovative idea of developing pH-responsive intelligent fertilizers. The article also pointed out that the mutual feedback between root and fertilizer was the key to enhance the synergistic effects between the nutrient release of fertilizers and the nutrient uptake of crops. It was proposed that the green intelligent fertilizer based on the mutual root-fertilizer feedback, matching crop nutrient demand and having environmental friendliness would become the development trend of new-type fertilizers in the future.

Key words: pH-responsive materials, polymers, chemical processes, gels, pH-responsive fertilizer, mutual feedback between root and fertilizer

中图分类号:

TB381

王洋, 张苗苗, 吕阳, 侯翠红, 危常州, 马文奇, 张福锁, 申建波. pH响应材料及其在智能肥料中的应用[J]. 化工进展, 2024, 43(8): 4477-4489.

WANG Yang, ZHANG Miaomiao, LYU Yang, HOU Cuihong, WEI Changzhou, MA Wenqi, ZHANG Fusuo, SHEN Jianbo. pH-responsive materials and their applications in intelligent fertilizer[J]. Chemical Industry and Engineering Progress, 2024, 43(8): 4477-4489.

图/表 8

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分类	pH响应材料	pK_a（25℃）	pH响应范围	材料制备机理	成本 /CNY·t^-1	肥料种类	应用作物	参考文献
聚合物材料	聚丙烯酸	4.26	<7	原子转移自由基聚合	8190	双焦磷酸铜钾三水合物	无	[77]
聚合物材料	N, N-甲基丙烯酸二甲氨基乙酯	7.4	<7	原子转移自由基聚合	21000	磷酸锌铵	无	[11]
天然高分子材料	海藻酸	3~4.22	<6	原位自由基聚合	176000	尿素、磷酸二氢钾和磷酸二氢铵	无	[78]
	壳聚糖	6.5	<5	—	19500	FeSO₄·7H₂O	番茄	[9]
	羧甲基纤维素钠	4.33	5~10	自由基聚合	4800	尿素	小麦	[79]
	木质素-Fe	—	<7	配位聚合	120000	羟基磷灰石	玉米	[14]

分类	pH响应材料	pK_a（25℃）	pH响应范围	材料制备机理	成本 /CNY·t^-1	肥料种类	应用作物	参考文献
聚合物材料	聚丙烯酸	4.26	<7	原子转移自由基聚合	8190	双焦磷酸铜钾三水合物	无	[77]
聚合物材料	N, N-甲基丙烯酸二甲氨基乙酯	7.4	<7	原子转移自由基聚合	21000	磷酸锌铵	无	[11]
天然高分子材料	海藻酸	3~4.22	<6	原位自由基聚合	176000	尿素、磷酸二氢钾和磷酸二氢铵	无	[78]
	壳聚糖	6.5	<5	—	19500	FeSO₄·7H₂O	番茄	[9]
	羧甲基纤维素钠	4.33	5~10	自由基聚合	4800	尿素	小麦	[79]
	木质素-Fe	—	<7	配位聚合	120000	羟基磷灰石	玉米	[14]

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pH响应材料及其在智能肥料中的应用

pH-responsive materials and their applications in intelligent fertilizer

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