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Table 12 Effect of ZnO and nano ZnO levels (0, 20, 40, and 60 mg/l) on free amino acids, proline (mg/100 g dry wt), and total carbohydrate percentage of flax leaves under sandy soil

From: Zinc-oxide and nano ZnO oxide effects on growth, some biochemical aspects, yield quantity, and quality of flax (Linum uitatissimum L.) in absence and presence of compost under sandy soil

Compost ZnO Nano ZnO LSD at 0.05
Treatments 0.0 20 40 60 20 40 60 0.05
Free amino acids 215.65 243.75 263.41 278.65 320.75 348.67 364.70 0.60
Proline 48.72 60.76 70.84 74.21 76.94 82.19 90.70 0.26
Total carbohydrates 35.82 37.97 40.47 47.24 41.30 48.09 54.60 0.30