Effects of Vermicompost and Inorganic Fertilizer Co-application on Soil Labile Organic Carbon and Enzyme Activity in Watermelon Farmland

WANG Mingyou; ZHANG Hong; LI Shiping; XUE Yujian

doi:10.13961/j.cnki.stbctb.2015.04.020

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Effects of Vermicompost and Inorganic Fertilizer Co-application on Soil Labile Organic Carbon and Enzyme Activity in Watermelon Farmland

- Effects of Vermicompost and Inorganic Fertilizer Co-application on Soil Labile Organic Carbon and Enzyme Activity in Watermelon Farmland
- Bulletin of Soiland Water Conservation Vol. 35, Issue 4, Pages: 101-106(2015)
- 作者机构：
  
  德州学院生态与园林建筑学院,山东,德州,253023
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.04.020
  CLC：
- Published：2015
- 稿件说明：
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WANG Mingyou, ZHANG Hong, LI Shiping, et al. Effects of Vermicompost and Inorganic Fertilizer Co-application on Soil Labile Organic Carbon and Enzyme Activity in Watermelon Farmland[J]. Bulletin of Soiland Water Conservation, 2015, 35(4): 101-106.
DOI：

WANG Mingyou, ZHANG Hong, LI Shiping, et al. Effects of Vermicompost and Inorganic Fertilizer Co-application on Soil Labile Organic Carbon and Enzyme Activity in Watermelon Farmland[J]. Bulletin of Soiland Water Conservation, 2015, 35(4): 101-106. DOI： 10.13961/j.cnki.stbctb.2015.04.020.

摘要

[目的

]

探讨蚯蚓粪与化肥配施对西瓜种植的作用

为土壤培肥制度的建立及西瓜生产提供参考。[方法

]

以"黑彤K-8"为试材

通过大田试验研究了N

100

(尿素提供100%的氮)、M

(蚯蚓粪和尿素分别提供10%和90%的氮)、M

(蚯蚓粪和尿素分别提供30%和70%的氮)和M

(蚯蚓粪和尿素各提供50%的氮)等不同处理对土壤活性有机碳、碳库管理指数(CPMI)、酶活性和西瓜产量的影响。[结果

]

同N

100

处理相比

配施蚯蚓粪处理的高活性、中活性和活性有机碳含量均明显升高;M

处理的活性有机碳含量和CPMI显著高于其他处理

比N

100

处理分别高出30.10%和37.28%;同时

脲酶和蔗糖酶活性亦明显高于其它处理

其中蔗糖酶活性分别较CK

100

和M

处理提高84.66%

62.33%

47.26%和22.46%。此外

处理的西瓜产量和肥料生产率最高

它可使西瓜产量分别比N

100

和M

处理高出26.49%

13.34%

6.27%;M

处理的肥料生产率分别比N

100

和M

处理高出166.50%

54.11%

21.37%。相关分析结果表明

运用土壤活性有机碳和碳库管理指数表征土壤酶活性、西瓜产量及肥料生产率的变化

比土壤总有机碳更具灵敏性。[结论

]

蚯蚓粪与化肥配施对西瓜生长具有显著的促进生长效果

其中3:7比例配施的效果优于1:9和5:5比例。

Abstract

[Objective] The effects of vermicompost co-applied with inorganic fertilizer were measured in a watermelon field to provide some references for soil improvement and watermelon plantation. [Methods] Five treatments with different mixture ratios of nitrogen(supplied from urea) and vermicomppost were set in a field experiment they were CK(neither urea nor vermicompost was applied)

N100(100% of nitrogen)

M10N90(10% vermicompos and 90% of nitrogen)

M30N70(30% vermicompost and 70% nitrogen)

and M50N50(50% vermicompost and 50% nitrogen). Soil labile organic carbon

carbon pool management index(CPMI)

enzyme activity and yield of watermelon were measured. [Results] The contents of highly labile organic carbon

mid-labile organic carbon and labile organic carbon significantly increased under M10N90

M30N70 and M50N50 treatments in comparison with N100 treatment. The labile organic carbon content and CPMI in M30N70 treatment were obviously higher than that of other treatments

increased 30.10% and 37.28% as compared with N100 treatment

respectively. At the same time

the M30N70 treatment markedly increased in urease and invertase activities in comparison with other treatments

showing 84.66%

62.33%

47.26% and 22.46% increments in invertase activities over the values of CK

N100

M10N90 and M50N50

respectively. In addition

the yield and fertilizer productivity of watermelon also achieved the highest value in M30N70 treatment and had significant differences with other treatments

obtained 26.49%

13.34%

6.27% and 166.50%

54.11%

21.37% increments as compared with the treatments of N100

M10N90 and M50N50

respectively. Correlation analysis revealed that soil labile organic carbon and carbon pool management index may be better indicators than soil total organic carbon in reflecting the changes of soil enzyme activities

yield and fertilizer productivity of watermelon. [Conclusion] The application of vermicompost co-applied with inorganic fertilizer

especially the M30N70 treatment

had remarkable promotion effect in watermelon plantation.

关键词

Keywords

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