Macronutrient Distribution in ‘Tifblue’ Rabbiteye Blueberry

Figures & data

TABLE 1 Macronutrient Distribution in ‘Tifblue’ Rabbietye Blueberry

	N (%)			K (%)		Ca (%)		Mg (%)
	2001	2002	P ^z (%)	2001	2002	2001	2002	2001	2002
Rate
High	0.98 ^y a	1.33 a	0.10 a	0.20 a	0.31 a	0.18 a	0.21 b	0.037 a	0.068 a
Low	0.94 a	1.32 a	0.10 a	0.20 a	0.26 b	0.18 a	0.19 b	0.037 a	0.063 a
Control	0.90 a	0.88 b	0.07 b	0.18 a	0.22 b	0.14 a	0.27 a	0.033 a	0.048 b
Plant part
Leaf		1.84 a	0.14 a		0.79 a		0.42 a		0.163 a
Stem	1.09 a	1.09 cd	0.09 bc	0.33 a	0.24 b	0.31 a	0.34 b	0.056 a	0.062 b
Trunk	0.79 b	0.93 d	0.08 c	0.14 b	0.16 b	0.10 c	0.16 cd	0.025 bc	0.038 c
Small root	1.10 a	1.35 b	0.08 c	0.12 b	0.21 b	0.13 c	0.19 c	0.020 c	0.055 bc
Large root	0.95 ab	1.46 b	0.11 b	0.16 b	0.16 b	0.12 c	0.10 d	0.031 bc	0.039 c
Root ball		1.11 c	0.10 b		0.21 b		0.17 cd		0.049 bc
Whole	0.98 ab	1.06 cd	0.09 bc	0.19 b	0.22 b	0.19 b	0.21 c	0.037 b	0.049 bc
^zThere was no significant difference in distribution of P between years, therefore analysis was combined.
^yMeans separation within columns by LSD P ≤ 0.05 level.

FIGURE 1 Percent calcium in ‘Tifblue’ rabbiteye blueberry as affected by fertilization rate and plant part (n = 6).

FIGURE 2 Percent magnesium in ‘Tifblue’ rabbiteye blueberry as affected by fertilization rate and plant part (n = 6).