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[1]栗丽 李廷亮 孟会生 洪坚平 谢英荷**.溶磷菌剂对施磷复垦土壤无机磷形态及油菜磷吸收的影响[J].应用与环境生物学报,2020,26(04):1-9.[doi:10.19675/j.cnki.1006-687x.2019.08036]
 LI li,LI Tingliang,MENG Huisheng,et al.Effects of phosphorus dissolving agent on inorganic phosphorus fractions in the reclaimed soil added with phosphorus fertilizers and phosphorus absorption in rape[J].Chinese Journal of Applied & Environmental Biology,2020,26(04):1-9.[doi:10.19675/j.cnki.1006-687x.2019.08036]
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溶磷菌剂对施磷复垦土壤无机磷形态及油菜磷吸收的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
26卷
期数:
2020年04期
页码:
1-9
栏目:
出版日期:
2020-08-25

文章信息/Info

Title:
Effects of phosphorus dissolving agent on inorganic phosphorus fractions in the reclaimed soil added with phosphorus fertilizers and phosphorus absorption in rape
作者:
栗丽12 李廷亮12 孟会生12 洪坚平12 谢英荷12**
1山西农业大学资源环境学院 太谷 030801
2山西农业大学资源环境国家级实验教学中心 太谷 030801
Author(s):
LI li12 LI Tingliang 1 2 MENG Huisheng1 2 HONG Jianping 1 2 XIE Yinghe 1 2*
1 College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801 , China
2 National Experimental Teaching Demonstration Center for Agricultural Resources and Environment, Shanxi Agricultural University, Taigu, 030801 , China
关键词:
溶磷菌剂复垦土壤无机磷形态有效磷磷素吸收
Keywords:
phosphorus solubilizing a gent reclaimed soil inorganic phosphorus forms available phosphorus phosphorus absorption
DOI:
10.19675/j.cnki.1006-687x.2019.08036
摘要:
磷的有效化是限制复垦土壤肥力提升的主要因素,溶磷菌能够活化土壤中的难溶态的磷,增强土壤磷的供给能力,研究其对复垦土壤无机磷形态及生物有效性的影响,为矿区复垦土壤熟化和肥力提升提供科学依据。本研究通过盆栽试验,研究混合溶磷菌剂对施用磷矿粉和磷酸钙的复垦土壤中有效磷含量、磷酸酶活性、无机磷形态及其转化以及盆栽油菜磷素吸收的影响。结果显示:与未接种溶磷菌剂的处理相比,接种溶磷菌剂后复垦土壤中有效磷含量和磷酸酶活性分别提高了61.44% - 65.77%和95.49% - 104.75%(P < 0.05);土壤油菜鲜重和吸磷量分别增加了28.07% - 33.89%和25.53% - 33.33%(P < 0.05)。等磷量施用磷酸钙和磷矿粉,复垦土壤中的无机磷均以Ca10-P为主要形态。在施用磷矿粉的土壤中接种溶磷菌剂能够显著降低Ca10-P含量和转化率,提高Ca8-P含量和转化率,促进Ca10-P向Ca8-P转化;在施用磷酸钙的土壤中接种溶磷菌剂能够促进Ca10-P向Ca2-P、Ca8-P转化,O-P向Al-P转化。土壤有效磷和磷酸酶以及油菜吸磷量的增加与Ca10-P的减少以及Ca2-P、Ca8-P、Al-P和Fe-P的增加有关。本研究表明,溶磷菌剂能够促进磷矿粉和磷酸钙在复垦土壤中由Ca10-P向Ca2-P和Ca8-P转化,提高土壤磷的生物有效性;另外,在施用磷酸钙的土壤中,溶磷菌剂的溶磷能力和对油菜的促生效果优于施用磷矿粉的土壤。(图1 表6 参考文献35)
Abstract:
The availability of phosphorus is one of the main limiting factor for improving soil fertility of reclaimed soil. Phosphate-dissolving bacteria can activate the recalcitrant phosphorus and enhance the supply of available phosphorus contents in soil. The investigations on the effects of phosphorus dissolving bacteria on inorganic phosphorus fractions and bioavailability in reclaimed soil could provide scientific basis for soil maturation and fertility improvement of reclaimed soil in mining areas. A pot experiment was conducted to study the effects of phosphate-dissolving bacteria on available phosphorus content, phosphatase activity, inorganic phosphorus fractions and its transformation in reclaimed soil, as well as the phosphorus absorption of potted rape. Phosphate rock powder and tricalcium phosphate used as exogenous phosphorus were added at the rate of 0.23 g P kg-1 soil , and the phosphorus dissolving agent were applied at the rate of 1.0 g kg-1 soil . The results showed that the inoculation of phosphorus dissolving bacteria significantly increased the available phosphorus content, enzyme activities and the phosphorus uptake by rape (P < 0.05 ). The inoculation of phosphorus solubilizing agent resulted in the increase of available phosphorus content, phosphatase activity, the rape fresh weight and phosphorus uptake in the combined treatments by 61.44 - 65.77%, 95.49 - 104.75%; 28.07 - 33.89%, and 25.53 - 33.33%, respectively. Under the same amount of phosphorus application, Ca10-P was the main soil inorganic phosphorus fractions in all treatments. The inoculation of phosphate dissolving agent in reclaimed soil applied with phosphate rock powder significantly reduced the amount and conversion rate of Ca10-P and increased those of Ca 8-P ( P < 0.05), which indicating that phosphate solubilizing agent promoted the transformation of Ca10-P to Ca8-P. The combination of phosphate solubilizing agent and tricalcium phosphate could promote the transformation of Ca10-P to Ca 8-P and Ca2-P, as well as O-P to Al-P. Soil available phosphorus, phosphatase activity and phosphorus absorption of rape were negatively correlated with Ca10-P, and positively correlated with Ca2-P, Ca8-P, Fe-P and Al-P ( P < 0.05 ), indicating that the increase of soil available phosphorus and phosphatase, as well as the phosphorus absorption in rape were related to the decrease of Ca10-P and the increase of Ca2-P, Ca8-P, Al-P and Fe-P . These results suggested that phosphorus-dissolving bacteria could promote the transformation of inorganic phosphorus from Ca 10-P to Ca2-P and Ca8-P, as well as O-P to Al-P in the reclaimed soil, thereby increase the content of available phosphorus in soil and improv e the phosphorus bioavailability for rape. In addition, phosphorus-dissolving bacteria had greater effects on phosphorus dissolving and rape growth in the soil added with tricalcium phosphate , compared with that added with phosphate rock powder.

相似文献/References:

[1]贾俊香,谢英荷,李廷亮,等.秸秆与秸秆生物炭对采煤塌陷复垦区 土壤活性有机碳的影响*[J].应用与环境生物学报,2016,22(05):787.[doi:10.3724/SP.J.1145.2015.11011]
 JIA Junxiang,XIE Yinghe**,LI Tingliang & WANG Ling.Effect of the straw and its biochar on active organic carbon in reclaimed mine soils*[J].Chinese Journal of Applied & Environmental Biology,2016,22(04):787.[doi:10.3724/SP.J.1145.2015.11011]
[2]栗 丽 李廷亮 孟会生 谢英荷 洪坚平**.菌剂与肥料配施对矿区复垦土壤养分及微生物学特性的影响[J].应用与环境生物学报,2016,22(06):1156.[doi:10.3724/SP.J.1145.2016.06006]
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[3]谢钧宇,孟会生,焦欢,等.施肥对复垦土壤中活性和难降解碳氮组分的影响[J].应用与环境生物学报,2019,25(05):1113.[doi:10.19675/j.cnki.1006-687x.2019.05032]
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[4]谢钧宇 焦欢 洪坚平 张杰 李丽娜 黄晓磊 栗丽 赵林婷 李廷亮**.施肥对复垦土壤中活性和难降解碳氮组分的影响*[J].应用与环境生物学报,2020,26(01):1.[doi:10.19675/j.cnki.1006-687x.2019.05032]
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备注/Memo

备注/Memo:
收稿日期 Received: 2019-08-22 接受日期 Accepted: 2019-12-04
*国家自然基金项目(U1710255-3)和国家重点研发计划项目(2018YFD0200401)资助
**通讯作者 Corresponding author (E-mail: xieyinghe@163.com)
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更新日期/Last Update: 2020-01-14