Table 1.  Nutrient ranges in tissue analysis of high quality ‘Red Sunset’ maple (Acer rubrum).

 

 

 

 

Nutrient

units

Minimum

Maximum

 

 

 

 

Nitrogen

%

2.8

3.1

Phosphorus

%

0.28

0.38

Potassium

%

0.9

1.1

Calcium

%

0.45

0.65

Magnesium

%

0.15

0.20

Sulfur

%

0.18

0.22

 

 

 

 

Iron

ppm

120

250

Manganese

ppm

70

285

Zinc

ppm

45

56

Copper

ppm

6

8

Boron

ppm

13

19

Max and min values were determined by considering only the highest quality plants and calculating the 25th and 75th percentile for each nutrient.

 

 

 

Table 2.  Soil and nutrient properties of fields with high quality ‘Red Sunset’ maple (Acer rubrum).

 

 

 

 

Nutrient

units

Minimum

Maximum

 

 

 

 

pH

 

5.0

5.8

SMP pH

 

6.0

6.4

Organic matter

%

3.0

4.4

Phosphorus

ppm

50

100

Potassium

ppm

160

220

Calcium

meq

6

10

Magnesium

meq

1.0

1.6

Sulfur

ppm

9

18

Iron

ppm

50

120

Manganese

ppm

20

40

Zinc

ppm

1.8

2.7

Boron

ppm

0.2

0.3

Copper

ppm

1.0

2.1

Soluble salts

mmhos

0.2

0.9

Max and min values were determined by considering only the highest quality plants and calculating the 25th and 75th percentile for each nutrient or parameter.