Spatio-Temporal Distributions and Environmental Safety Threshold of Cropland Fertilization of Jiangsu Province, China

Qin Pu Liu; John P. Giesy; Zhao Hui Li

doi:10.4028/www.scientific.net/AMR.962-965.2110

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 962-965Spatio-Temporal Distributions and Environmental...

Spatio-Temporal Distributions and Environmental Safety Threshold of Cropland Fertilization of Jiangsu Province, China

Abstract:

Correlations and non-linear regression analyses were used to determine the optimal rate of fertilization that would maximize production of grain while minimizing effects on the environment in Jiangsu Province, China. Correlation coefficients between the amounts of cereal grain produced and rates of fertilization were 0.880, 0.606, and 0.212 for the periods 1970-1983, 1984-1997, 1998-2011, respectively. Current amounts of chemical fertilization used are causing adverse effects on the environment. By use of simulation analyses, it was determined that 550 - 600 kilogram of fertilizers (a mix of N, P₂O₅, K₂O) per hectare is the upper limit amount of fertilization that balances production and potential for eutrophication in Jiangsu. Amounts of fertilizer applied are greater in the North of Jiangsu Province with three-fold more fertilizers applied than in the south. Factors such as proportion of farmers in the regional population, incomes of farmers, multiple cropping index, proportion of land irrigated, proportion of land in agricultural production all influence the amount of fertilizers applied in this region.

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Periodical:

Advanced Materials Research (Volumes 962-965)

Pages:

2110-2115

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.962-965.2110

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Online since:

June 2014

Authors:

Qin Pu Liu*, John P. Giesy, Zhao Hui Li

Keywords:

Agriculture, Fertilization, Grain Production, Jiangsu Province

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* - Corresponding Author

References

[1] L. C. Dennis, J. V. Peter, L. Keith. Environmental Science and Technology, 8 (1997), pp.2157-2175.

Google Scholar

[2] L. Dennis. Soil & Water Conservation，1(1998), pp.75-88.

Google Scholar

[3] US Environmental Protection Agency. Non-point source pollution from agriculture. Information on http: / www . epa. gov/ region8/ water/nps/npsurb. html, (2003).

Google Scholar

[4] S. Ding, H. W. Zang. Modern Agricultural Science and Technology (in Chinese), 23 (2009), pp.275-276.

Google Scholar

[5] C. Gao, T. L. Zhang. AMBIO, 39(2010), pp.385-393.

Google Scholar

[6] J. H Ge, Sh. D. Zhou. China's Rural Economy (in Chinese), 5 (2011), pp.72-80.

Google Scholar

[7] F. Zhang, H. Hao, H. Zhang. China Population, Resources and Environment (in Chinese), 8(2010), pp.80-85.

Google Scholar

[8] Jiangsu Province Bureau of Statistics. Jiangsu Statistical Yearbook (2000-2012) Information on http: /www. jssb. gov. cn/jstj/tjsj/tjnj.

Google Scholar

[9] G. Y. Zou. The spatio-temporal distribution and sources of NO3-N and NO2-N in water at high risk cancer regions, in Huai River watershed (master thesis). Henan University, 5/(2011).

Google Scholar

[10] X. P. Ge, J. ZH. Chen, W. Wu. China Aquatic (in Chinese), 3(2008), pp.7-11.

Google Scholar

[11] Ministry of Environmental Protection of P.R.C. Information on http: /www. zhb. gov. cn/gkml/zj/wj/200910/t20091022_172492. htm.

Google Scholar

[12] Zh. L. Zhu, D. Norse, B. Sun. Agricultural non-point source pollution control countermeasures in China. Beijing: China Environmental Science Press (in Chinese), (2006).

Google Scholar

[13] W. L, Zhang, Zh. X. Tian, N. Zhang, X. J. Li. Journal of Plant Nutrition and Fertilizer (in Chinese), 2(1995), pp.80-86.

Google Scholar

[14] Y. T. Cui, X. Cheng, Ch. R. Han, R. G. Li. Acta Ecologica Sinica (in Chinese), 4 (2000), pp.659-662.

Google Scholar

[15] Y. P. Lu, Q. R. Zhao. Phosphatic Fertilizer and Compound Fertilizer (in Chinese), 4(1998), pp.61-64.

Google Scholar