Soil, slurry and application effects on greenhouse gas emissions

被引：24

作者：

Severin, M. ^{[1
]}

Fuss, R. ^{[2
]}

Well, R. ^{[2
]}

Garlipp, F. ^{[1
]}

Van den Weghe, H. ^{[1
]}

机构：

[1] Univ Gottingen, Fac Agr Sci, Dept Anim Sci, D-49377 Vechta, Germany

[2] Johann Heinrich von Thunen Inst, Inst Climate Smart Agr, Braunschweig, ME, Germany

来源：

PLANT SOIL AND ENVIRONMENT | 2015年 / 61卷 / 08期

关键词：

organic fertilization; manure; injection technique; AMMONIA; INJECTION; N2O; FERTILIZERS; MICROCOSM; METHANE; FLUXES; SYSTEM;

D O I：

10.17221/21/2015-PSE

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

In conjunction with soil type and climate, the use of nitrogen fertilizers is a major factor affecting nitrous oxide emissions. This study compares injection of pig slurry and pig slurry digestate at 15 or 20 cm depths with trailing-hose application followed by immediate incorporation. The work was based on a laboratory microcosm experiment with undisturbed soil cylinders (0-30 cm depth) from three arable soils (Histosol, Gleysol and Plaggic Anthrosol). Soil cylinders were fertilized with pig slurry and pig slurry digestate (150 kg N/ha) and emissions of N2O, CH4 and CO2 were monitored. The comparison of application techniques over a 37-day period show that soil type and application technique, had a strong (P < 0.001) impact on N2O emissions. Fertilization with pig slurry showed no significantly higher N2O emissions than pig slurry digestate. Fertilizer injection significantly increased N2O emissions compared to fertilization with a trailing-hose with incorporation.

引用

页码：344 / 351

页数：8

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