|本期目录/Table of Contents|

[1]郝会军,蔡朝阳,张溪,等.腐殖酸及有机肥对土壤中钾淋溶规律的影响[J].江苏农业科学,2021,49(11):197-201.
 Hao Huijun,et al.Influences of humic acid and organic fertilizer on law of potassium leaching in soil[J].Jiangsu Agricultural Sciences,2021,49(11):197-201.
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腐殖酸及有机肥对土壤中钾淋溶规律的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第11期
页码:
197-201
栏目:
资源与环境
出版日期:
2021-06-05

文章信息/Info

Title:
Influences of humic acid and organic fertilizer on law of potassium leaching in soil
作者:
郝会军1蔡朝阳2张溪1王洪波1
1.潍坊职业学院,山东潍坊 262737;2.河北农业大学,河北保定 071000
Author(s):
Hao Huijunet al
关键词:
有机肥腐殖酸淋溶复合肥有机-无机复混肥
Keywords:
-
分类号:
S141
DOI:
-
文献标志码:
A
摘要:
采用土柱淋溶方法,研究有机-无机复混肥养分缓释及其对土壤中钾元素淋溶的影响。结果表明,在0~30 cm土壤中,有机复合肥和腐殖酸肥料处理的淋出液中钾浓度、钾积累淋出量、钾淋出率均明显高于普通肥料,并且腐殖酸肥料处理要高于有机复合肥处理;在30~60 cm土壤中,各处理的淋出液中钾浓度、钾积累淋出量没有明显差异;在60~90 cm土壤中,普通肥料处理的淋出液中钾浓度高于腐殖酸肥料和有机复合肥,腐殖酸肥料和有机复合肥淋溶液中钾浓度基本与空白处理相当;普通肥料钾积累淋出量及钾淋出率明显高于有机复合肥和腐殖酸肥料处理。试验末期0~30 cm土壤中有机复合肥和腐殖酸肥料处理的钾含量均明显高于普通肥料处理,其他土层各处理钾含量差异不明显。可见,腐殖酸肥料及有机复合肥对钾的释放有一定的促进作用,对钾养分的释放起到明显的缓效释放作用。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-10-22
作者简介:郝会军(1977—),男,陕西府谷人,硕士,副教授,主要从事土壤与植物营养相关研究。E-mail:359312051@qq.com。
更新日期/Last Update: 2021-06-05