淮安地区葡萄园土壤养分及线虫群落现状分析
作者:
作者单位:

(1.江苏徐淮地区淮阴农业科学研究所,江苏 淮安 223001;2.淮安市农业科技实业总公司,江苏 淮安 223001;3.淮安市淮阴区植保植检站,江苏 淮安 223001)

作者简介:

毛佳(1983-),农艺师,硕士研究生,研究方向为植物保护与土壤改良。E-mail:178079252@qq.com。

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基金项目:

基金项目:淮安市自然科学研究计划项目(HAB201926);江苏省环洪泽湖生态农业生物技术重点实验室项目(17HZHL016);淮安市农业科学研究院科研发展基金(HNY201921)。


Analysis of soil nutrients and nematode community in vineyards in Huai’an area
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(1.Huaiyin Agricultural Science Research Institute,Xuhuai District,Huai’an Jiangsu 223001;2.Huai’an Agricultural Science and Technology Industry Corporation,Huai’an Jiangsu 223001;3.Huaiyin District Plant Protection and Inspection Station,Huai’an Jiangsu 223001)

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    摘要:

    以淮安葡萄园12个主要种植区土壤样本为研究对象,通过测定土壤pH值、有机质、水溶性总盐、速效钾、有效磷及土壤线虫群落等指标研究淮安地区葡萄园土壤养分及线虫群落特征。结果表明:淮安葡萄种植区土壤pH值均值6.35,有58.33%的土壤样本为酸性;有效磷均值220.97 mg·kg-1,高于40 mg·kg-1的样本占比100%;速效钾均值460.13 mg·kg-1,高于200 mg·kg-1的样本占比83.33%;水溶性总盐均值4.35 g·kg-1,高于0.5 g·kg-1的样本占比100%;有机质含量均值34.02 g·kg-1,在中等以上的样本占比91.67%。对不同葡萄园土壤养分差异分析发现,有机质在两合土中均值最高,达47.84 g·kg-1,在P0.05水平上显著高于砂土。水溶性总盐在施用复混肥的园中高出施用有机肥67.53%,在P0.05水平上达显著差异。葡萄园线虫群落主要由3类群体构成,其中,12个葡萄园中自由生活线虫类检出率为100%,寄生类线虫和其他类线虫检出率均为58.33%,螺旋线虫属为本次调查中的优势群体。速效钾与线虫总量、自由生活线虫显著正相关,相关系数分别为0.668、0.706,而与寄生线虫相关性低,相关系数仅为0.319。

    Abstract:

    Taking the soil samples from 12 main planting areas of Huai’an vineyard as the research object,the characteristics of soil nutrients and nematode community in Huai’an vineyard were studied by measuring soil pH,organic matter,water-soluble total salt,available potassium,available phosphorus and soil nematode community.The results showed that the average value of pH was 6.35,and the pH of 58.33% soil samples was less than 7.The average soil available phosphorus was 220.97 mg·kg-1,and 100% of the samples had available phosphorus higher than 40 mg·kg-1.The average value of available potassium was 460.13 mg·kg-1,and the samples with available potassium higher than 200 mg·kg-1 accounted for 83.33%.The average value of water-soluble total salt was 4.35 g·kg-1,and the samples with total salt content higher than 0.5 g·kg-1 accounted for 100%.The average content of organic matter was 34.02 g·kg-1,and the samples with organic matter content above medium accounted for 91.67%.Through the analysis of soil nutrient differences in different vineyards,it was found that the average value of organic matter was the highest in Lianghe soil,which was up to 47.84 g·kg-1,and it was significantly higher than that of sand and clay at P0.05 level.The total water-soluble salt in the garden with compound fertilizer was 67.53% higher than that with organic fertilizer,and there was significant difference at the P0.05 level.The nematode community in 12 vineyards was mainly composed of three groups,of which free-living nematodes detection rate for 100%,parasitic nematodes and predators detection rate for 58.33%.Spiral nematodes among parasitic nematodes were the dominant groups in this survey,and the detection rate in 12 vineyards was 41.67%.The correlation coefficients of available potassium were 0.668 and 0.706,respectively,while the correlation coofficient with parasitic nematodes was only 0.319.

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毛佳,周长勇,朱春梅,王晓飞,李美霞,王宏宝.淮安地区葡萄园土壤养分及线虫群落现状分析[J].中国土壤与肥料,2022,(11):212-218.

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  • 收稿日期:2021-10-25
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  • 录用日期:2022-02-27
  • 在线发布日期: 2023-02-07
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