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[6]
Increased N-use efficiency using a chlorophyll meter on high-yielding irrigated rice[J] . S. Peng,F.V. Garcia,R.C. Laza,A.L. Sanico,R.M. Visperas,K.G. Cassman.Field Crops Research . 1996 (2)
[7]
Chlorophyll meter estimates leaf area-based nitrogen concentration of rice[J] . Shaobing Peng,Ma. Rebecca C. Laza,Felipe V. Garcia,Kenneth G. Cassman.Communications in Soil Science and Plant Analysis . 1995 (5-6)