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Study and Development of the Decision Support System of Precise N Application
in Rice at County Scale Based on PDA
Gao Hui, Zhong Xiaochun, Wang Yun, Zhang Hongcheng, Dai Qigen
Chinese Agricultural Science Bulletin . 2008, (8): 458 -461 .  DOI: 10.11924/j.issn.1000-6850.20086097