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Content Provider | SpringerLink |
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Author | Ouyang, Wei Hao, Fanghua Wei, Xinfeng Huang, Haobo |
Copyright Year | 2013 |
Abstract | Dynamics of livestock and poultry manure nutrient was analyzed at a provincial scale from 2002 to 2008. The nutrient capacity of 18 kinds of croplands and grasslands to assimilate nutrients was assessed in the same temporal–spatial scale. Manure nitrogen (N) had increased from 5.111 to 6.228 million tons (MT), while manure phosphorus (P) increased from 1.382 to 1.607 MT. Manure N and P share similar spatial patterns of yields, but proportion of specialized livestock husbandry and contribution of leading livestock categories (swine, cattle, cow, sheep, layer chicken, broiler chicken) were different. The nutrients generated from dominant seven provinces took more than about half of total manure N in China. After subtracting the chemical fertilizers, there were some manure nutrient capacities in western part of China. Risk analysis of manure nutrient pollution overload in eastern and southern parts of China was serious, which should restrict livestock's developments. Amount of chemical fertilizers applied should be reduced to make room for manure nutrients. For the sake of greenhouse effects, the emission of methane (CH$_{4}$) and nitrous oxide (NO$_{ x }$) emissions in China is serious for the global change, thus merits further statistics and studies. The spatial and temporal pattern of Chinese manure nutrient pollution from livestock and the assimilation capacity of cropland and grassland can provide useful information for policy development on Chinese soil environment and livestock. |
Starting Page | 5036 |
Ending Page | 5046 |
Page Count | 11 |
File Format | |
ISSN | 09441344 |
Journal | Environmental Science and Pollution Research |
Volume Number | 20 |
Issue Number | 7 |
e-ISSN | 16147499 |
Language | English |
Publisher | Springer Berlin Heidelberg |
Publisher Date | 2013-01-20 |
Publisher Place | Berlin, Heidelberg |
Access Restriction | Subscribed |
Subject Keyword | Manure nutrient Livestock Cropland Grassland Nitrogen Phosphorus Capacity Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution |
Content Type | Text |
Resource Type | Article |
Subject | Pollution Environmental Chemistry Health, Toxicology and Mutagenesis Medicine |
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