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Copy link Avocado Trial with Agroblen® in Spain
19%
Trunk thickness
Avocado trial demonstrates how Agroblen® V-Factor controlled-release fertilizer improves plant establishment and height.
Oliva, Valencia 2020
19%
Trunk thickness
Key Conclusions
Greater trunk thickness and tree height
Agroblen® controlled release fertilizers significantly improved the establishment and growth of the trees during the 5 months following transplanting, achieving:
- a more balanced plant growth, with a 19% increase in trunk thickness and a 13% increase in height.
- greater uniformity in plant size.
- better nutrition, resulting in more robust plants for winter and the start of spring.
Using the H2Flo wetting agent helped maintain plant turgor during high-temperature periods.
Objective
To evaluate the effect controlled-release fertilizers and wetting agents have on the establishment of transplanted avocado trees in field conditions.
Trial Details
Trial Location
Oliva, Valencia
Crop
Avocado
Product
Agroblen®
Assessments
Plant height and trunk thickness (measured 20 cm above ground) were evaluated five months post-transplant.
Treatments
Trial set-up
Randomized block design with 6 trees per treatment, arranged in 2 repetitions.| Product | CRF application | H2Flo |
|---|---|---|
| Control 1 | No | No |
| Control 2 (H2Flo) | No | 7 ml/tree in 20 L 01/06/2020 6 ml/tree in 20 L 30/06/2020 5 ml/tree in 20 L 11/08/2020 6 ml/tree in 5 L 22/10/2020 |
| Agroblen® 17-9-8+ 4MgO, 8-9M + H2Flo* | 100 g/tree at trans- planting | |
| Agroblen® V-Factor 8-20-7+3MgO+14SO3+ 0.1B, 8-9M + H2Flo* |
||
| *CRF products mixed with the soil and applied in the planting hole. |
Treatments
Trial set-up
Randomized block design with 6 trees per treatment, arranged in 2 repetitions.| Product | CRF application | H2Flo |
|---|---|---|
| Control 1 | No | No |
| Control 2 (H2Flo) | No | 7 ml/tree in 20 L 01/06/2020 6 ml/tree in 20 L 30/06/2020 5 ml/tree in 20 L 11/08/2020 6 ml/tree in 5 L 22/10/2020 |
| Agroblen® 17-9-8+ 4MgO, 8-9M + H2Flo* | 100 g/tree at trans- planting | |
| Agroblen® V-Factor 8-20-7+3MgO+14SO3+ 0.1B, 8-9M + H2Flo* |
||
| *CRF products mixed with the soil and applied in the planting hole. |
Results
- The tree’s growth was evaluated 5 months after transplanting by measuring the trees’ maximum height and trunk thickness 20 cm above the soil surface. All trees fertilized with Agroblen® controlled release fertilizers showed greater uniformity in plant size. Trunk thickness and plant height responded significantly to the use of Agroblen®.
- The tallest trees (1.36 m) were those fertilized with Agroblen® 17-9-8, followed by the trees that received Agroblen® V-Factor 8-20-7 (1.34 m).
- Agroblen® fertilization resulted in the most balanced and uniform plant growth during the first 5 months following field transplanting.
- Application of Agroblen® 8-20-7 achieved the widest trunks at 2.51 cm, followed by the trees fertilized with Agroblen® 17-9-8 (2.32 cm).
- Applying H2Flo without Agroblen® also had good results, achieving an average tree height of 1.25 m.
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