生物炭提高不同磷源制得的复合肥料中磷素有效性的研究

Research on the Enhancement of Phosphorus Availability in Compound Fertilizers Prepared from Different Phosphorus Sources with Biochar

李锋 ¹欧继喜 ¹孙桂森 ¹林琪武 ¹朱婧 ²王宗抗²

扫码查看

作者信息

1. 深圳市农产品质量安全检验检测中心广东深圳 518055
2. 广西植物营养技术创新中心广西贵港 537000
折叠

摘要

通过培养皿和盆栽试验,考察了生物炭分别与磷酸一铵、硝酸磷肥和聚磷酸铵等 3 种磷源制成的复合肥料配合施用对赤红壤中磷素形态转化以及菜心磷肥利用率的影响.结果表明:在以磷酸一铵、硝酸磷肥、聚磷酸铵为磷源的复合肥料中分别加入生物炭后,均能提高磷素在土壤中的有效性,H2O-P 和NaHCO3-P 含量都有不同程度的提高;不同程度地增加了菜心的鲜质量和干质量,提高了磷肥的利用率.添加生物炭可以提高复合肥料中的磷素在土壤中的有效性,对降低磷素在土壤中的固定、减少磷肥施用量和提高磷肥当季利用率具有积极作用.

Abstract

Through a petri dishe and a pot experiment,the effects of biochar combined with three compound fertilizers,which are made of monoammonium phosphate,nitrophosphate and ammonium polyphosphate as phosphorus sources respectively on the transformation of phosphorus forms in latosolic red soil and the utilization efficiency of phosphorus fertilizer in Chinese flowering cabbage are investigated.The results show that adding biochar to compound fertilizers containing monoammonium phosphate,nitrophosphate,and ammonium polyphosphate as phosphorus sources can improve the effectiveness of phosphorus in soil,and the contents of H2 O-P and NaHCO3-P are all increased to varying degrees.The fresh and dry weight of the Chinese flowering cabbage is also increased to varying degrees.And the utilization rate of phosphate fertilizer is improved.Adding biochar can improve the effectiveness of phosphorus in compound fertilizers in soil,which has a positive effect on reducing the fixation of phosphorus in soil,reducing the application of phosphate fertilizer and improving the seasonal utilization rate of phosphate fertilizer.

关键词

土壤/磷素形态/复合肥料/生物炭/磷肥利用率

Key words

soil/phosphorus forms/compound fertilizer/biochar/utilization rate of phosphate fertilizer

引用本文复制引用

基金项目

中央引导地方科技发展资金项目(桂科ZY23055047)

出版年

2024

肥料与健康

ISSN：

段落导航