[1]余小兰,杨福锁,周丹,等.钙镁磷肥对水稻土和砖红壤土壤化学性状的动态影响[J].江苏农业学报,2018,(05):1042-1047.[doi:doi:10.3969/j.issn.1000-4440.2018.05.011]
　YU Xiao-lan,YANG Fu-suo,ZHOU Dan,et al.Dynamic effect of calcium-magnesia phosphate fertilizer on chemical properties of paddy soil and laterite[J].,2018,(05):1042-1047.[doi:doi:10.3969/j.issn.1000-4440.2018.05.011]
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钙镁磷肥对水稻土和砖红壤土壤化学性状的动态影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年05期
页码:
1042-1047
栏目:
耕作栽培·资源环境
出版日期:
2018-10-25

文章信息/Info

Title:
Dynamic effect of calcium-magnesia phosphate fertilizer on chemical properties of paddy soil and laterite
作者:
余小兰1; 杨福锁2; 周丹3; 刘琴3; 戚志强4; 李晓亮4
(1.中国热带农业科学院环境与植物保护研究所，海南海口571101；2.云南云天化农资连锁有限公司，云南昆明650228；3.海南大学热带农林学院，海南儋州571700；4.中国热带农业科学院热带作物品种资源研究所，海南儋州571700）
Author(s):
YU Xiao-lan1; YANG Fu-suo2; ZHOU Dan3; LIU Qin3; QI Zhi-qiang4; LI Xiao-liang4
（1.Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences， Haikou 571101, China;2.Yunnan Yuntianhua Agriculture Materials Chain Co.ltd, Kunming 650228， China；3.Institute of Tropical Agriculture and Forestry, Hainan University, Danzhou 571700， China；4.Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou 571700, China）
关键词:
钙镁磷肥; 酸性土壤; 水稻土; 砖红壤; 化学性状
Keywords:
calcium-magnesia phosphate fertilizer; acid soil; paddy soil; laterite; chemical properties
分类号:
S153
DOI:
doi:10.3969/j.issn.1000-4440.2018.05.011
文献标志码:
A
摘要:
研究添加钙镁磷肥对土壤理化性状的动态影响，从侧面反映其转化过程，为生产应用提供理论依据。采用土壤培养方法，以酸性砖红壤和水稻土为材料，分别按每1 kg干土添加0 mg、50 mg、100 mg P2O5的量加入钙镁磷肥，置于22 ℃培养10 d、30 d、60 d、120 d后取样，分析土壤pH、有效磷、碱解氮、有机质和有效钾的动态变化，研究钙镁磷肥对土壤理化性状的影响，从侧面反映钙镁磷肥的转化规律。结果表明，土壤pH和碳酸氢钠提取的有效磷含量随培养时间的延长显著提高，碱解氮在培养60 d后开始快速提高。土壤有机质除了在培养30 d时略微降低外，其他培养时间之间无显著差异。钙镁磷肥添加量和培养时间均对土壤有效钾含量无显著影响。因此，在南方酸性土壤中施用钙镁磷肥，可逐渐提高土壤pH和有效磷含量，有利于改善土壤质量，提高磷肥利用率。
Abstract:
The dynamic effect of calcium-magnesia phosphate fertilizer on chemical properties of soil was studied, which could reflect transformation process of calcium-magnesia phosphate fertilizer and provide theoretical basis for its application in the field. The soil cultivation method was adopted in the study. Acid laterite and paddy soil were used as the experimental materials, calcium-magnesia phosphate fertilizer with the doses of 0 mg, 50 mg, 100 mg P2O5 per kilogram dry soil was added to the soil, respectively. And then homogenized soils were sampled after culturing at 22 ℃ for 10 d, 30 d, 60 d and 120 d. The dynamic variation of soil pH, available phosphorus (P), available nitrogen (N), organic matter and available potassium (K) was analyzed to explore the effect of calcium-magnesia phosphate fertilizer on soil physical and chemical properties. The results showed that soil pH and available P extracted by NaHCO3 significantly increased with the prolongation of culture time, while available N increased after culturing for 60 d. Soil organic matter decreased slightly after culturing for 30 d, and there was no significant difference among other culture time. Addition of calcium-magnesia phosphate fertilizer and culture time had no significant effect on the content of soil available K. In conclusion, the application of calcium-magnesia phosphate fertilizer in acid soils in south China could gradually improve soil pH and available P content, which was beneficial to improve soil quality and increase the utilization efficiency of phosphatic fertilizer.

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备注/Memo

备注/Memo:
收稿日期：2018-05-16 基金项目：中国热带农业科学院基本科研业务费专项（1630042018005、pzsfyl-201818、1630032017028） 作者简介：余小兰（1985-），女，广西桂林人，硕士，研究实习员，研究方向为废弃物综合利用。（E-mail）2005myschool@163.com 通讯作者：李晓亮，（E-mail）xlli199777@163.com
更新日期/Last Update: 2018-11-05