| 谢毅飞，张 伟，向 阳，赵贵哲，刘亚青.含多种营养元素的高分子缓释化肥制备及应用效果研究[J].广东农业科学,2020,47(3):67-74 |
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含多种营养元素的高分子缓释化肥制备及应用效果研究 |
| Study on Preparation and Application Effect of Polymer Slow-release Fertilizers Containing Multiple Nutrients |
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| DOI：10.16768/j.issn.1004-874X.2020.03.009 |
| 中文关键词: 硅酸钠 缓释性能 养分利用率 番茄产量 |
| 英文关键词: sodium silicate slow-release performance nutrient utilization tomato yield |
| 基金项目:聚合物功能新材料山西省“1331”工程重点创新团队项目；山西省新材料产业创新学科群建设项目 |
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| 中文摘要: |
| 【目的】研制制备简单、效果优良且含多种营养元素的缓释肥料。【方法】在前期开发的含氮磷
钾生物降解高分子缓释肥 PSRF 的基础上引入硅酸钠，制备了含有氮、磷、钾和硅元素的高分子缓释硅肥（Si PSRF）。通过 FTIR、XRD、TG 等表征手段结合番茄盆栽试验，研究了硅酸钠的引入对 Si-PSRF 的组成结构、元
素缓释性能和番茄产量的影响。【结果】结构表征表明，Si-PSRF 包含的硅酸凝胶和较多短链 PSRF 影响了肥料
养分释放特性；番茄盆栽试验表明，与 PSRF 处理相比，Si-PSRF 处理的氮、磷利用效率和番茄产量分别提升了
185.65%、128.57% 和 24.01%。【结论】在 PSRF 中引入硅酸钠可提高番茄植株对营养元素的吸收利用率，提高
番茄产量，适合在实际农业活动中作为肥料使用。 |
| 英文摘要: |
| 【Objective】The study was to develop a slow-release fertilizer that is simple and effective, and contains
multiple nutrients.【Method】On the basis of PSRF, a biodegradable polymer slow-release fertilizer containing nitrogen,
phosphorus and potassium elements developed earlier, a polymer slow-release silicon fertilizer（Si-PSRF）containing
nitrogen, phosphorus, potassium and silicon elements was prepared by introducing sodium silicate. Through FTIR, XRD,
TG and other characterization methods combined with tomato pot experiments, effects of the introduced sodium silicate on
composition and structure of Si-PSRF, slow-release performance of elements and tomato yield were studied.【Result】
Structural characterization showed that the silicic acid gel and more short-chain PSRF contained in Si-PSRF affected the
nutrient release characteristics of fertilizers. Tomato pot experiment showed that, the nitrogen and phosphorus utilization
efficiency and tomato yield under Si-PSRF treatment increased by 185.65%, 128.57% and 24.01% respectively compared
with those under PSRF treatment.【Conclusion】The introduction of sodium silicate into PSRF can promote the absorption
and utilization rate of nutrient elements in tomato plants and increase the tomato yields, which is suitable to be used as
fertilizer in practical agricultural activities. |
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