玉米专用高分子缓释肥的制备及肥效研究

赵贵哲; 刘亚青; 薛怀清; 张斌

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玉米专用高分子缓释肥的制备及肥效研究

更新时间：2026-09-14

- 玉米专用高分子缓释肥的制备及肥效研究
- 玉米专用高分子缓释肥的制备及肥效研究
- Issue 2, (2007)
- 作者机构：
  
  1. 中北大学材料科学与工程学院
  2. 山西农业大学林学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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赵贵哲, 刘亚青, 薛怀清, et al. 玉米专用高分子缓释肥的制备及肥效研究[J]. 2007, (2).
DOI：

赵贵哲, 刘亚青, 薛怀清, et al. 玉米专用高分子缓释肥的制备及肥效研究[J]. 2007, (2). DOI：

摘要

以自制的脲甲醛低聚物和磷酸二氢钾-磷酸混合液反应合成了一种多营养元素高分子缓释化肥.通过控制投料比使其N∶P2O5∶K2O=10∶7.6∶1.5

符合玉米生长对N

K的需要.大田试验结果表明

单独施用高分子化肥的增产率为16.56%

高分子化肥与农家肥混合施用的增产率为56.51%

明显高于常规施肥的SV玉米专用肥和农家肥混用时的增产率49.11%.

Abstract

A slow release macromolecular fertilizer containing diverse nutrition was synthesized by condensation reaction between the homemade low molecular urea-formaldehyde and the compound of potassium dihydrogen phosphate and phosphoric acid.The nutrition of the fertilizer(N∶P2O5∶K2O=10∶7.6∶1.5) can satisfy the nutrition requirement of maize growth in the field experiment by adjusting the proportion of raw materials.The field experiment results showed the macromolecular fertilizer increased the yield of the maize by 16.56%

the macromolecular fertilizer plus livestock and the SV corn-fertilizer plus livestock increased the yield of the maize by 56.51% and 49.11%

respectively.

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薛怀清

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