Sunday, 22 October 2017
Albion is pleased to announce that it has been acquired by Balchem Corporation.

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A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W XYZ

Plant Sampling Schedule

Crop

 When to Sample

 

 Plant Part to Sample

Number of
Leaves in Sample

A

 

 

 

 

Alfalfa Early growth up to 1/10 Bloom stage   Entire top 15 cm of plant
45-55
       
Apple Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100
       
Apricot Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100


   

B

 

 

 

 

Beans Seedling stage   Entire above ground portion
25-30
       
Beans Before or during initial flowering   Youngest mature leaves from the top of the plant
25-30
       
Beets Before root or bulb enlargement   Centre mature leaves
25-35
       
Broccoli Before heading   First mature leaves from centre of whorl
10-20


   

C

 

 

 

 

Cabbage Before heading   First mature leaves from centre of whorl
10-20
       
Carnations Pinched plants   5th and 6th leaf pair from top of primary laterals
20-30
       
Carnations Unpinched plants   4th and 5th leaf pair from terminal of plant
20-30
       
Carrots Before root or bulb enlargement   Center mature leaves
25-35
       
Celery Early to mid-growth   Petiole and leaf of youngest mature leaf
20-30
       
Cereal Grains Prior to heading   First 4 leaf blades from top of plant
30-40
       
Cereal Grains Seedling stage
(less than 30 cm)
  All the above ground portion of plant
50-75
       
Cherry Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100
       
Chrysanthemums Before and during early flowering   Youngest mature leaves on flowering stem
20-30
       
Clover and
Other Legumes
Prior to bloom   Mature leaf blades about 1/3 of the way down the plant top
50-60
       
Coffee Early to mid-season   Mature leaves of current year's growth
40-50
       
Conifer In spring, when it has about 2 inches of new growth   Collect 2 inches of new tip growth (entire tip including stem). Collect from the same side of the tree at the same height on each tree.
approx.
30 tips
       
Corn Seedling stage (less than 30 cm tall)   All the above ground portion
25-30
       
Corn Just before tasselling   The fully developed leaf below the whorl
15-20
       
Corn Tasselling to silking   The leaf at the ear node or the one above or below it
15-20
       
Cotton Early growth, at first bloom and when first squares appear   Youngest fully mature leaves on main stem
30-35
       
Cucumber Early stage of growth prior to fruit set   4th to 6th leaf from terminal on main stem
20-25
       
Cucurbits (Cucumber, Melons, etc.) Early stage of growth prior to fruit set   4th to 6th leaf from terminal on main stem
20-25

     

D

 

 

 

 

Deciduous Fruit (Apple, Apricot, Almond, Cherry. Peach, Pear, Prune) Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100
 
     

F

 

 

 

 

Forage and
Pasture Grasses
Before head emergence or at the stage of best quality   The uppermost leaf blades
50-60

     

G

 

 

 

 

Grains(Small, Including Rice) Seedling stage(less than 30 cm)   All the above ground portion of plant
50-75
       
Grains(Small, Including Rice) Prior to heading   First 4 leaf blades from top of plant
30-40
       
Grapes During bloom period   Leaves and petioles opposite the flower cluster
75-100
 
     

H

 

 

 

 

Head Crops  (Cabbage, etc.) Before heading   First mature leaves from center of whorl
10-20

     

L

 

 

 

 

Leaf Crops (Lettuce, Spinach, etc.) Before mid-growth   Youngest mature leaf
30-50
       
Lettuce Before mid-growth   Youngest mature leaf
30-50
       
Lemon, Lime During autumn growth flush   Mature leaves from last flush of growth on non-fruiting terminals
30-40






M


 

 

Melons Early stage of growth prior to fruit set   4th to 6th leaf from terminal on main stem
20-25
       
Milo-Sorghum Before or at heading   2nd leaf from top of plant
20-25


   

O

 

 

 

 

Onions Before root or bulb enlargement   Center mature leaves
25-35
       
Orange During autumn growth flush   Spring cycle leaves, 4 to 7 months old from non-fruit-bearing terminals
25-30
Ornamental Trees and Shrubs Current year's growth   Fully mature leaves
30-75

     

P

 

 

 

 

Peach Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100
Peanuts Before or at bloom stage   Youngest fully developed leaves from top of the plant
40-45
Pear Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100
Peas Before or during initial flowering   Leaves from the 3rd node down from the top of the plant
30-50
Pecans After the end of terminal growth   Mature leaves from terminal shoots, taking the pairs from the middle of the leaf.
30-45
Plum Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100
Potato During vegetative growth   3rd to 6th leaf back from growing tip
30-50
       
Pineapple During vegetative growth   Young mature leaves
10-15
       
Poinsettias Before and during early flowering   Most recently mature fully expanded leaf
15-20
       
Potato During vegetative growth   3rd to 6th leaf back from growing tip
30-50
       
Prune Late summer just after the end of terminal growth   Youngest fully expanded leaf from non-fruiting terminals
75-100






R





Radish Before root or bulb enlargement   Center mature leaves
25-35
       
Raspberry From early growth through mid-season   Youngest mature leaves on lateral or primary canes
25-40
Rice Prior to heading   First 4 leaf blades from top of plant
30-40
       
Rice Seedling stage
(less than 30 cm)
  All the above ground portion of plant
50-75
       
Root Crops (Carrots, Beets, Onions, etc.) Before root or bulb enlargement   Center mature leaves
25-35
       
Roses Before and during early flowering   Upper mature leaves on the flowering stem
25-30

     

 S

 

 

 

 

Small Grains (Including Rice) Prior to heading   First 4 leaf blades from top of plant
30-40
       
Small Grains (Including Rice) Seedling stage (less than 30 cm)   All the above ground portion of plant
50-75
       
Soybeans Or prior to or during initial flowering   Fully developed leaves at the top of the plant
20-30
       
Soybeans Seedling stage (less than 30 cm tall)   All the above ground portion
20-30
       
Spinach Before mid-growth   Youngest mature leaf
30-50
       
Squash Early stage of growth prior to fruit set   4th to 6th leaf from terminal on main stem
20-25
       
Strawberry From early vegetative growth to early fruiting state   Youngest fully expanded mature leaves
50-70
       
Sugar Beets Before mid-season   Fully mature leaves midway between the younger center leaves and the oldest leaf whorl on the outside.
30-35
       
Sugar Cane Up to 4 months old   4th fully developed leaf from the top of the plant.
25-30
       
Sweet Corn Before tasselling   The entire fully mature leaf below the whorl
20-35

     

T

 

 

 

 

Tobacco Before bloom   Uppermost fully developed leaf
8-12
       
Tomato (Field) Before early bloom stage   3rd to 4th leaf back from growing tip
20-35
       
Tomato (Greenhouse) Before bloom   Young plants: Leaves from 2nd and 3rd clusters
20-35
       
Tomato (Greenhouse) Before bloom   Older plants: Leaves from 4th to 6th clusters
20-35
       
Turf Anytime during growing season   Leaf blades, avoid soil contamination
500 cc of material





W

     
Walnut After the end of terminal growth   Middle leaflet pairs from mature shoots

30-40