不同微生物菌剂处理对哈密瓜品质及 土壤养分和酶活性的影响
作者:
作者单位:

(1.甘肃农业大学资源与环境学院,甘肃 兰州 730070;2.甘肃干旱生境作物重点实验室,甘肃 兰州 730070;3.甘肃省节水农业工程技术研究中心,甘肃 兰州 730070;4.甘肃星硕生物科技有限公司,甘肃 张掖 734000)

作者简介:

马凤捷(1993-),女,甘肃定西人,硕士研究生,研究方向为土壤资源评价及可持续利用。E-mail:2550663071@qq.com。

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基金项目:

基金项目:甘肃省中小企业创新基金(18CX5JG049);高效抗重茬生物有机专用肥研制开发与应用项目(712122190033)。


Effects of different microbial inoculants on the quality of cantaloupe and soil nutrients and enzyme activities
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(1.College of Resources and Environmental Sciences,Gansu Agricultural University,Lanzhou Gansu 730070;2.Gansu Provincial Key Laboratory of Arid Land Crop Science,Gansu Agricultural University,Lanzhou Gansu 730070;3.Gansu Engineering Research Center for Agriculture Water-saving,Lanzhou Gansu 730070;4.Gansu Xingsuo Biotechnology Co. Ltd.,Zhangye Gansu 734000)

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    摘要:

    针对哈密瓜长期连作引起的产量低、品质差问题,研究微生物菌剂对土壤肥力和哈密瓜品质的影响。试验以哈密瓜为研究对象,对连续种植 3 年哈密瓜土壤设置对照、12# 菌剂、D74 菌剂、1# 菌剂、12# 和 D74 菌剂混合菌剂共 5 种施肥处理,对比不同处理的哈密瓜品质、土壤养分特征和酶活性的变化,并对哈密瓜品质、土壤养分和酶活性相关性进行分析。结果表明,施用微生物菌剂后,哈密瓜糖度、维生素 C 含量、单瓜重均显著高于对照,果实硬度、总酸度显著低于对照。施微生物菌剂处理的土壤,在开花期、果实膨大期、成熟期 3 个生长时期土壤有机质、全氮、有效磷含量显著高于对照,速效钾变化不显著,土壤酶活性显著高于对照。哈密瓜品质和土壤有机质、养分及酶活性相关性分析表明,单瓜重、糖度、维生素 C 含量与土壤有机质、养分指标和脲酶等酶活性指标均呈显著正相关,哈密瓜硬度和总酸度与土壤养分和酶活性呈显著负相关。4种微生物菌剂处理中,12# 和 D74 混合菌剂对土壤酶活性和养分含量影响大于其他处理,混合菌剂对改善本试验土壤环境效果较好,显著提高了哈密瓜的产量和品质。

    Abstract:

    Aiming at the problems of low yield and poor quality caused by long-term continuous cropping of cantaloupe,theeffects of microbial inoculants on soil fertility and quality of cantaloupe were studied.In this experiment,the field with cantaloupe multiple cropping for 3 years was used as the research object,and 5 kinds of fertilization treatments were set up,including 12 # bacteria agent,D74 bacteria agent,1 # bacteria agent,12 # and D74 bacteria agent mixed bacteria agent.Changes of cantaloupe quality,soil nutrient characteristics and enzyme activity under different treatments,and correlations between cantaloupe quality,soil nutrient and enzyme activity were analyzed.The results showed that the sugar content,vitamin C and single melon weight of the melon were significantly higher than those of the control,and the fruit hardness and total acidity were significantly lower than those of the control.The soil organic matter,total nitrogen and available phosphorus content in the three growth periods of the soil treated with microbial inoculants were significantly higher than those in the control during flowering,fruit expansion and harvest.The available potassium did not change significantly,and soil enzyme activities were significantly higher than those in the control.Correlation analysis of cantaloups quality and soil organic matter,nutrients and enzyme activities showed that single melon weight,sugar content,vitamin C and soil organic matter and nutrient indicators and urease and other enzyme activity indicators were significantly positively correlated,cantaloupe hardness and total acidity were significantly negative correlated with soil nutrients and enzyme activities.Among the four microbial inoculants,12 # and D74 mixed inoculants had greater effects on soil enzyme activity and nutrient content than other treatments.The mixed inoculants had the best effect on improving the soil environment in this test,and increased the yield and quality of cantaloupe.

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马凤捷,蔡立群,刘垠霖,孟巧霞,武均,师伟杰,陈晓龙.不同微生物菌剂处理对哈密瓜品质及 土壤养分和酶活性的影响[J].中国土壤与肥料,2021,(2):69-77.

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  • 收稿日期:2020-01-07
  • 最后修改日期:
  • 录用日期:2020-03-16
  • 在线发布日期: 2021-05-17
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