Bosede A J, 2010. Economic assessment of fertilizer use and integrated practices for environmental sustainabilityand agricultural productivity in Sudan Savannah Zone, Nigeria. African Journal of Agricultural Research, 5(5):338-343.
Choudhury A T M A, Kennedy I R, 2005. Nitrogen fertilizer losses from rice soils and control of environmentalpollution problems. Communications in Soil Science and Plant Analysis, 36(11/12): 1625-1639.
Gong P, Liang L, Zhang Q, 2011.China must reduce fertilizer use too. Nature, 473(7347): 284-285.
Huang J K, Hu R F, Cao J M et al., 2008. Training programs and in-the-field guidance to reduce China’s overuseof fertilizer without hurting profitability. Journal of Soil and Water Conservation, 63(5): 165A-167A.
Huang J K, Rozelle S, 1995. Environmental stress and grain yields in China. American Journal of Agricultural Economics, 77(4): 853-864.
Kunzova E, Hejcman M, 2009. Yield development of winter wheat over 50 years of FYM, N, P and K fertilizerapplication on black earth soil in the Czech Republic. Field Crops Research, 111(3): 226-234.
Li S Y, 1993. Yield stability and fertilizer efficiency of long-term triple cereal cropping in paddy fields of China. Biology and Fertility of Soils, 16(2): 151-153.
Li X B, Wang X H, 2003. Changes in agricultural land use in China: 1981-2000. Asian Geographer, 22(1/2):27-42.
Ma W Q, Li J H, Ma L et al., 2008. Nitrogen flow and use efficiency in production and utilization of wheat, rice,and maize in China. Agricultural Systems, 99(1): 53-63, doi: 10.1016/j.agsy.2008.10.001.
Ma W Q, Mao D R, Zhang F S, 2001. Effect of adjusting cropping system on the fertilizer consumption in China. Phosphate & Compound Fertilizer, 16(4): 1-3. (in Chinese)
Stone K C, Camp C R, Sadler E J et al., 2010. Corn yield response to nitrogen fertilizer and irrigation in thesoutheastern coastal plain. Applied Engineering in Agriculture, 26(3): 429-438.
Wang Q B, Catherine H, Stanley R J, 1996. Grain production and environmental management in China’s fertilizereconomy. Journal of Environmental Management, 47(3): 283-296.
Xin L J, Li X B, Zhu H Y et al., 2009. China’s potential of grain production due to changes in agricultural landutilization in recent years. Chinese Geographical Science, 19(2): 97-103, doi: 10.1007/s11769-009-0103-x.
Zeng X B, Chen T B, Hu Q X et al., 2002. Grain productivity and its potential as related to fertilizer consumptionamong different counties of China. Acta Geographica Sinica, 57(5): 539-546. (in Chinese)
Zeng X B, Li J M, 2004. Fertilizer application and its effect on grain production in different counties of China. Scientia Agricultura Sinica, 37(3): 387-392. (in Chinese)
Zhang W F, Ji Y X, Ma J et al., 2008. Driving forces of fertilizer consumption in China (II): Planting structure. Resources Science, 30(1): 31-36. (in Chinese)
Zhu J, 2004. Public investment and China’s long-term food security under WTO. Food Policy, 29(1): 99-111.