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Critical Compositional Nutrient Indexes for Sweet Corn at Early Growth Stage

^a Dep. of Soil Sci. and Agri-Food Eng., Laval Univ., Paul-Comtois Building, Sainte-Foy, QC, Canada G1K 7P4
^b Hortic. Res. and Dev. Cent., 430 Gouin Blvd., St-Jean-sur-Richelieu, QC, Canada J3B 3E6

View larger version (28K): [in a new window]   Fig. 1. Relationship between ear yield and cumulative variance ratio function in S5.

View larger version (15K): [in a new window]   Fig. 2. Relationship between nutrient imbalance index Compositional Nutrient Diagnosis (CND) r2 and ear yield in S5.

View larger version (18K): [in a new window]   Fig. 3. Comparison between concentration, Diagnosis and Recommendation Integrated System (DRIS) and Compositional Nutrient Diagnosis (CND) relationships with ear yield for tissue N in the validation database.

View larger version (15K): [in a new window]   Fig. 4. Relationship between the squared value of Compositional Nutrient Diagnosis (CND) N index and ear yield in S5.

View larger version (16K): [in a new window]   Fig. 5. Relationship between Compositional Nutrient Diagnosis (CND) r2 and Diagnosis and Recommendation Integrated System (DRIS) nutrient imbalance indexes (NII).