Short-term effect of targeted placements of sheep excrement on grassland in inner mongolia on soil and plant parameters

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	Short-term effect of targeted placements of sheep excrement on grassland in inner mongolia on soil and plant parameters
	Ma, Xiuzhi ; Wang, Shiping ; Jiang, Gaoming ; Haneklaus, Silvia ; Schnug, Ewald ; Nyren, Paul
	2007
发表期刊	COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
卷号	38 期号:11-12 页码:1589-1604
文章类型	Article
摘要	Grazing animal excrement plays an important role in nutrient cycling and redistribution in grazing ecosystems, due to grazing in large areas and return in small areas. To elucidate the changes to the soil and pasture caused by sheep urine, fresh dung, and compost patches, a short- term field experiment using artificially placed pats was set up in the autumn of 2003 in the Inner Mongolian steppe. Urine application significantly increased soil pH during the first 32 days in soil layers at depths of both 0 - 5 cm and 5 - 15 cm. Rapid hydrolysis of urea gave large amounts of urine- nitrogen ( N) as ammonium ( NH4+) in soil extracts and was followed by apparent nitrification from day 2. Higher inorganic N content in the urine- treated soil was found throughout the experiment compared with the control. No significant effects of sheep excrement on soil microbial carbon ( C) and soil microbial N was found, but microbial activities significantly increased compared with the control after application of sheep excrement. Forty- six percent of dung- N and 27% of compost- N were transferred into vegetation after the experiment. The results from this study suggest that large amounts of nutrients have been lost from the returned excrement patches in the degraded grassland of Inner Mongolia, especially from sheep urine- N.; Grazing animal excrement plays an important role in nutrient cycling and redistribution in grazing ecosystems, due to grazing in large areas and return in small areas. To elucidate the changes to the soil and pasture caused by sheep urine, fresh dung, and compost patches, a short- term field experiment using artificially placed pats was set up in the autumn of 2003 in the Inner Mongolian steppe. Urine application significantly increased soil pH during the first 32 days in soil layers at depths of both 0 - 5 cm and 5 - 15 cm. Rapid hydrolysis of urea gave large amounts of urine- nitrogen ( N) as ammonium ( NH4+) in soil extracts and was followed by apparent nitrification from day 2. Higher inorganic N content in the urine- treated soil was found throughout the experiment compared with the control. No significant effects of sheep excrement on soil microbial carbon ( C) and soil microbial N was found, but microbial activities significantly increased compared with the control after application of sheep excrement. Forty- six percent of dung- N and 27% of compost- N were transferred into vegetation after the experiment. The results from this study suggest that large amounts of nutrients have been lost from the returned excrement patches in the degraded grassland of Inner Mongolia, especially from sheep urine- N.
关键词	Inorganic n Microbial Biomass c Microbial Biomass n Pasture n Ph
WOS标题词	Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
学科领域	农业科学
关键词[WOS]	NITROUS-OXIDE EMISSIONS ; MICROBIAL BIOMASS ; URINE PATCHES ; DAIRY-CATTLE ; PERMANENT PASTURE ; ENZYME-ACTIVITIES ; FERTILIZER ; EXCRETA ; MANAGEMENT ; PH
收录类别	SCI
语种	英语
WOS研究方向	Agriculture ; Plant Sciences ; Chemistry
WOS类目	Agronomy ; Plant Sciences ; Chemistry, Analytical ; Soil Science
WOS记录号	WOS:000247562600016
引用统计	被引频次：15[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/1266
专题	中国科学院西北高原生物研究所
作者单位	1.Chinese Acad Sci, NW Inst Plateau Biol, Xining 810008, Peoples R China 2.Chinese Acad Sci, Inst Bot, Lab Quantitat Vegetat Ecol, Beijing, Peoples R China 3.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China 4.Inner Mongolia Agr Univ, Hohhot, Peoples R China 5.Fed Agr Ctr, FAL, Inst Plant Nutr & Soil Sci, Braunschweig, Germany 6.N Dakota State Univ, Cent Grasslands Res Extens Ctr, Streeter, ND USA
推荐引用方式 GB/T 7714	Ma, Xiuzhi,Wang, Shiping,Jiang, Gaoming,et al. Short-term effect of targeted placements of sheep excrement on grassland in inner mongolia on soil and plant parameters[J]. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS,2007,38(11-12):1589-1604.
APA	Ma, Xiuzhi,Wang, Shiping,Jiang, Gaoming,Haneklaus, Silvia,Schnug, Ewald,&Nyren, Paul.(2007).Short-term effect of targeted placements of sheep excrement on grassland in inner mongolia on soil and plant parameters.COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS,38(11-12),1589-1604.
MLA	Ma, Xiuzhi,et al."Short-term effect of targeted placements of sheep excrement on grassland in inner mongolia on soil and plant parameters".COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 38.11-12(2007):1589-1604.