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important role in Chl synthesis, as discussed in previous results ( Kurilčik et al., 2008 ; Li et al., 2012 ; Poudel et al., 2008 ; Senger, 1982 ). High utilization efficiency under LED lights ( Saebo et al., 1995 ) and a “dilutioneffect because of the

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studies have reported N concentration decreases during the growing season ( Löhnertz, 1991 ; Wermelinger, 1991 ; Williams and Biscay, 1991 ). Our results are consistent with previous findings of a dilution effect of not only N, but also P and K

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by ≈5% to 8% with increasing shade density, solely as a result of the dilution effect of starch on dry matter. Only in the case of leaf nitrogen in 2004 was the increase greater than expected as a result of the effect of starch dilution. Petiole

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fresh weight was unaffected. This could be partly attributed to the lower chlorophyll concentration in plants treated with the biostimulant at 220 μL⋅L −1 compared with the control, which was likely caused by the dilution effect because of increased

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chlorophyll concentration at 9 DAT is likely due to a dilution effect as abscising fruitlets were smaller than persisting fruitlets [ P < 0.001 ( Fig. 5D )]. During the period of this experiment, fruitlet growth is due to both cell division and expansion

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was also an indication of the dilution effect because of the massive vegetative growth during the summer seasons. This indicated that adding an extra 1× to the soil resulted in excessive leaf Mn concentration. Furthermore, the relative increase in leaf

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-release fertilizer affect growth and nutrient uptake in containerized woody landscape plants J. Amer. Soc. Hort. Sci. 117 578 583 10.1016/S0065-2113(08)60887-1 Jarrell, W.M. Beverly, R.B. 1981 The dilution effect in plant nutrition studies Adv. Agron. 34 197 224 10

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in Fig. 4 . As shown in Fig. 4 , the EC of 1:1, 1:2, 1:3, 1:4, 1:5, and 1:10 soil to water extracts are typically lower than those of the saturation paste as a result of increased dilution effect, which has been reported in other studies (e

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conditions J. Am. Soc. Hortic. Sci. 139 634 641 https://doi.org/10.21273/JASHS.139.6.634 Jarrell, W.M. Beverly, R.B. 1981 The dilution effect in plant nutrition studies Adv. Agron. 34 197 224 https://doi.org/10.1016/S0065

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dilution effect, because as onion yield increases through the midrange of K fertilizer rates, there is a lower amount of P concentrated in the leaf tissue, which then becomes more concentrated as yield goes down again at the very highest K fertilizer rates

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