Plant Tissue Sampling Guidelines and Mineral Sufficiency Ranges for Fruit Crops

APPLE

Sampling Guideline: Leaves from the middle of the current season's growth.

Sufficiency Ranges
----------%----------

N P K Ca Mg

2.10-2.40 0.15-0.50 1.25-3.00 1.00-2.00 0.20-0.50

----------ppm----------

Zn Cu Mn Fe B

15-80 5-20 20-200 50-400 30-60

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
2.10-2.40	0.15-0.50	1.25-3.00	1.00-2.00	0.20-0.50

----------ppm----------
Zn	Cu	Mn	Fe	B
15-80	5-20	20-200	50-400	30-60

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BLUEBERRY

Sampling Guideline: Youngest mature leaves at or immediately after harvest.

Sufficiency Ranges
----------%----------

N P K Ca Mg

1.50-2.20 0.09-0.20 0.25-0.60 0.20-0.55 0.10-0.20

----------ppm----------

Zn Cu Mn Fe B

10-25 1+ 25-100 25+ 10-35

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
1.50-2.20	0.09-0.20	0.25-0.60	0.20-0.55	0.10-0.20

----------ppm----------
Zn	Cu	Mn	Fe	B
10-25	1+	25-100	25+	10-35

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MUSCADINE

Sampling Guideline: Youngest mature leaves in mid-August

Sufficiency Ranges
----------%----------

N P K Ca Mg

1.65-2.15 0.12-0.18 0.80-1.20 0.70-1.10 0.15-0.25

----------ppm----------

Zn Cu Mn Fe B

20+ 5-30 30+ 40+ 14-25

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
1.65-2.15	0.12-0.18	0.80-1.20	0.70-1.10	0.15-0.25

----------ppm----------
Zn	Cu	Mn	Fe	B
20+	5-30	30+	40+	14-25

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PEACH

Sampling Guideline: At mid-season, sample mature leaves from the mid-portion or near the base of the current season's terminal growth.

Sufficiency Ranges
----------%----------

N P K Ca Mg

2.75-3.50 0.12-0.80 1.25-3.00 1.50-2.50 0.20-0.50

----------ppm----------

Zn Cu Mn Fe B Al

15-50 5-20 20-100 60-400 20-100 <400

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
2.75-3.50	0.12-0.80	1.25-3.00	1.50-2.50	0.20-0.50

----------ppm----------
Zn	Cu	Mn	Fe	B	Al
15-50	5-20	20-100	60-400	20-100	<400

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PEAR

Sampling Guideline: Healthy mid-terminal leaves on current season's growth taken in mid-season.

Sufficiency Ranges
----------%----------

N P K Ca Mg

1.80-2.50 0.12-0.30 1.00-2.00 1.00-2.00 0.20-0.50

----------ppm----------

Zn Cu Mn Fe B Al

20-50 5-20 20-200 30-150 20-60 <200

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
1.80-2.50	0.12-0.30	1.00-2.00	1.00-2.00	0.20-0.50

----------ppm----------
Zn	Cu	Mn	Fe	B	Al
20-50	5-20	20-200	30-150	20-60	<200

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PECAN

Sampling Guideline: Sample the middle pair of leaflets from the mid-portion of the terminal growth 56 to 84 days after catkin fall.

Sufficiency Ranges
----------%----------

N P K Ca Mg

2.50-3.90 0.12-0.30 0.75-1.25 0.70-1.50 0.30-0.60

----------ppm----------

Zn Mn Fe B Al

50-100 100-800 50-300 20-45 <2000

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
2.50-3.90	0.12-0.30	0.75-1.25	0.70-1.50	0.30-0.60

----------ppm----------
Zn	Mn	Fe	B	Al
50-100	100-800	50-300	20-45	<2000

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STRAWBERRY

Sampling Guideline: Youngest mature leaves.

Sufficiency Ranges
----------%----------

N P K Ca Mg

1.90-3.60 0.22-0.43 1.20-2.00 0.50-1.10 0.24-0.44

----------ppm----------

Zn Cu Mn B

14-34 5-20 50-300 10-40

Sufficiency Ranges
----------%----------
N	P	K	Ca	Mg
1.90-3.60	0.22-0.43	1.20-2.00	0.50-1.10	0.24-0.44


----------ppm----------
Zn	Cu	Mn	B
14-34	5-20	50-300	10-40

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