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Copy link Nova Pulse & Agrolution pHLow on Cherry
6
The Dalles, OR
6
Key Conclusions
Nova PULSE™ alongside Agrolution pHLow® fertilizers increased cherry yield, firmness, and sugar content (brix). Cherry stem retention was notably higher in 2022.
Agronomist Insight – micronutrients at work
- Setting the baseline with Agrolution pHLow fertigation + foliar Nova PULSE at fruit set jumps to the next level of nutrition in orchards
- Benefits observed include, tree health, nutrient use efficiency and profitability
- If orchards have increased micronutrient availability at fruit set, it can impact cell division and potential for increased fruit weight, which can translate to increased yield per acre.
Objective
To investigate the effects of Agrolution pHLow® fertigation, plus Nova PULSE™ foliar at fruit set on the yield and quality of cherries in Oregon.
Measurements: Yield & Quality (stem retention, brix, firmness)
Trial Details
Trial station
The Dalles, OR
Crop
Cherry
Product
Agrolution pHLow
Treatments
An established cherry orchard was used for this randomized complete block design multi-year trial. There were three treatments per
row, with ten trees per treatment in 2022 (Control, Agrolution pHLow 6-31-31-2.5S+B, Cu, Fe, Mn, Mo, Zn (fertigation) & Nova PULSE 6-4-1-1.3S+Co .5%, Mo 10%, Zn 6% (foliar) . In 2023 there were four treatments, with Agrolution pHLow High K 15-6-27-3.3Ca +B, Cu, Fe, Mn, Mo, Zn added. Tree spacing 10 ft. x 17 ft. = 170 sq. ft. = 0.0039 acres per tree. Nine total fertigations, at 13 lbs./acre (A) per application, of Agrolution pHLow fertilizers were applied weekly starting at bloom, from April to June.
- Control – Grower Standard Practice (GSP)
- Agrolution pHLow 6-31-31 fertigation
- Agrolution pHLow 6-31-31 fertigation plus Nova PULSE (8 oz/A) foliar at fruit set
- Agrolution pHLow 6-31-31 fertigation plus Nova PULSE (16 oz/A) foliar at fruit set
- Agrolution pHLow 15-6-27-3.3Ca fertigation, plus Nova PULSE (8 oz/A) foliar at fruit set (2023 only)
Trial Dates: 2022 & 2023; established cherry orchard
Soil Type: Cherry Hill Silt Loam
Treatments
An established cherry orchard was used for this randomized complete block design multi-year trial. There were three treatments per
row, with ten trees per treatment in 2022 (Control, Agrolution pHLow 6-31-31-2.5S+B, Cu, Fe, Mn, Mo, Zn (fertigation) & Nova PULSE 6-4-1-1.3S+Co .5%, Mo 10%, Zn 6% (foliar) . In 2023 there were four treatments, with Agrolution pHLow High K 15-6-27-3.3Ca +B, Cu, Fe, Mn, Mo, Zn added. Tree spacing 10 ft. x 17 ft. = 170 sq. ft. = 0.0039 acres per tree. Nine total fertigations, at 13 lbs./acre (A) per application, of Agrolution pHLow fertilizers were applied weekly starting at bloom, from April to June.
- Control – Grower Standard Practice (GSP)
- Agrolution pHLow 6-31-31 fertigation
- Agrolution pHLow 6-31-31 fertigation plus Nova PULSE (8 oz/A) foliar at fruit set
- Agrolution pHLow 6-31-31 fertigation plus Nova PULSE (16 oz/A) foliar at fruit set
- Agrolution pHLow 15-6-27-3.3Ca fertigation, plus Nova PULSE (8 oz/A) foliar at fruit set (2023 only)
Trial Dates: 2022 & 2023; established cherry orchard
Soil Type: Cherry Hill Silt Loam
Results
Figures 1-4 show cherry benefits across two years with Agrolution pHLow and Nova PULSE in Oregon. Cherry yield, firmness, brix and stem retention increased in 2022 with fertigated Agrolution pHLow 6-31-31 plus foliar Nova PULSE.
- In 2023 the excess heat caused a reduction in overall cherry size and yield compared to 2022, but showed favorable responses in yield and post harvest brix with Agrolution pHLow and Nova PULSE.
- In 2023, Agrolution pHLow High K 15-6-27-3.3Ca and Nova PULSE (8 oz/A) helped maintain cherry firmness with the heat stress to 490 g/mm compared to the control at 477 g/mm after a week in storage.
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