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. 2019 Jul 4;19(13):2949. doi: 10.3390/s19132949

Figure 4.

Figure 4

Relationships between integrated atLEAF (atLEAFi) values and the integrated crop nitrogen nutrition index (NNIi) for each phenological stage in each of the two sweet pepper (Capsicum annuum) crops. Each crop was subjected to five different N treatments with four repetitions. The bold black line and the equation represent the adjustment for the combined dataset of the two crops together. Results of regression for each crop separately are in Table 7.