Whatsapp
Twitter
Mail
Copy link Polysulphate on Pecans
.8
Chula, Georgia 2023
.8
Key Conclusions
- Polysulphate increased the value of the nut crop due to a higher percentage of edible pecans compared to the control
- Increased % edible #1 pecan by almost 0.8% point
- Polysulphate increased grower revenue by $290/A over the control
Objective
Evaluate the effects of Polysulphate on yield and quality ofpecans grown in Georgia.
Trial Details
Trial station
Chula, Georgia
Crop
Pecan
Product
Polysulphate®
Treatments
This randomized complete block trial consisted of six replicates with two treatments. Plot size was two trees per plot. Polysulphate was broadcast.
- Grower Standard
- Polysulphate @ 200 lbs/A
Note: To improve uniformity of yield data, tree trunk circumference of about 90 trees (3 orchard rows) was measured. Trees with excessively large or small trunk circumference were not used in this study. Yield collected from 2592 ft2.
Crop: Pecan “Sumner” Mature bearing trees (Carya illinoinensis)
Soil: Tifton loamy sand; Soil test: pH-5.9, P-27, K-48, Mg-33, Ca-293, Zn-5.0, Mn-7 (ppm).
Timing: Planting: Jan 2008; Harvest: November 2023
Location: Chula, Georgia with Researcher David Moore of Southeast Ag Research
Measurements:
- Yield
- Grade (% Edible)
- Nut weight
- Gross Income
Treatments
This randomized complete block trial consisted of six replicates with two treatments. Plot size was two trees per plot. Polysulphate was broadcast.
- Grower Standard
- Polysulphate @ 200 lbs/A
Note: To improve uniformity of yield data, tree trunk circumference of about 90 trees (3 orchard rows) was measured. Trees with excessively large or small trunk circumference were not used in this study. Yield collected from 2592 ft2.
Crop: Pecan “Sumner” Mature bearing trees (Carya illinoinensis)
Soil: Tifton loamy sand; Soil test: pH-5.9, P-27, K-48, Mg-33, Ca-293, Zn-5.0, Mn-7 (ppm).
Timing: Planting: Jan 2008; Harvest: November 2023
Location: Chula, Georgia with Researcher David Moore of Southeast Ag Research
Measurements:
- Yield
- Grade (% Edible)
- Nut weight
- Gross Income
Results
- Polysulphate increased the value of the nut crop due to a higher percentage of edible pecans compared to the control.
- Polysulphate increased grower revenue by $290/A over the control.
About Polysulphate
- Polysulphate (polyhalite) provides four plant-available nutrients – sulfur, potassium, magnesium, and calcium, all in sulfate form.
- Naturally providing a gradual release, Polysulphate supplies balanced nutrients on demand to ensure a healthier and more productive crop.
- With excellent spreading characteristics, this is an ideal fertilizer to apply alongside straight nitrogen; it can also be applied straight or used in blends.
- Polysulphate Granular is a natural product, licensed for use in organic farming systems (OMRI approved), with a particularly low carbon footprint.
Learn more...
Polysulphate on Almonds
Sanger, California, USA
11
Agrocote on Almonds
Sanger, California, USA
25
