http://reply.papertrans.cn/3/235/23454/23454-11.png
http://reply.papertrans.cn/3/235/23454/23454-12.png
http://reply.papertrans.cn/3/235/23454/23454-13.png
http://reply.papertrans.cn/3/235/23454/23454-14.png
Submitted on: 04 June 1998.
Revised on: 10 July 1998.
Accepted on: 04 August 1998.
NUTRIENT CYCLING IN AGROECOSYSTEMS
http://reply.papertrans.cn/3/235/23454/23454-16.png
Submitted on: 13 February 2007.
Revised on: 16 March 2007.
Accepted on: 04 April 2007.
NUTRIENT CYCLING IN AGROECOSYSTEMS
http://reply.papertrans.cn/3/235/23454/23454-18.png
Submitted on: 25 January 2013.
Revised on: 06 March 2013.
Accepted on: 22 March 2013.
NUTRIENT CYCLING IN AGROECOSYSTEMS
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