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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 “dilution” effect because of the

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

Ca and phosphates. Furthermore, the incorporation of these fertilizers into the soil did not have a marked effect on the physicochemical properties of the soil as a result of a dilution effect. Thus, the EC of the soil was low (10–21 µS·cm –1

. Environ. Hort. 20 104 109 Jarrell, W.M. Beverly, R.B. 1981 The dilution effect in plant nutrition studies, p. 197–224. In: Brady, N.C. (ed.) Advances in Agronomy. Vol. 34. Academic Press, Salt Lake City, UT Majsztrik, J.C. Ristvey, A.G. Lea-Cox, J.D. 2011

plants with more canopy (less severely pruned) were used. Plants in the pilot experiment were multistemmed as observed in natural environments, and this apparently provided a sodium dilution effect because leaf Na + accumulation was ≈2-fold lower for

been minimal since the SSC reduction in FL/BE and FL/MU was only in contrast to the self-grafted plants rather than the nongrafted control. The dilution effect was also previously reported for citrus fruits from trees with more vigorous rootstocks. For

practices when compared with the control. This may be attributed to the dilution effect created by sand topdressing on the surface layer because sand topdressing showed no effect on organic matter at a depth of 2.5 to 5.0 cm ( Table 3 ). The increase in OM L

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

. When N fertilizer rate was increased at the conventional site in 2014, leaf N decreased, perhaps a dilution effect, and yield decreased for many cultivars. Nitrogen and K were the major nutrients removed in the harvested fruit leading to significant

described for different olive varieties of Tuscany (Italy) by Caselli et al. (1993) . Gutiérrez et al. (1999) related this decline to a dilution effect caused by a constant quantity of palmitic acid but rising levels of total fatty acids resulting in a