1. Materials and methods
1.1 Basic data
Season: 2014
Location: Höhnstedt – Saxony Anhalt – Germany
Trial organisation: Obstproduktion Höhnstedt GmbH
Crop, variety: Apple, variety ´Red Jona Prince´
Scoring: yield, diameter
Product: Sanbio EPSOMIT, manufactured by SANBOS GmbH, Germany
Dosage: 1 kg/ha, 500 l water/ha
No. of application: 1
Mode of application: foliar spray
Date of planting: 2010
Date of application: 11/04/2014
Date of harvest: 18/09/2014
1.2 Product presentation
Table 1. Product presentation of Sanbio EPSOMIT
| Product name | Composition | Description | Application |
| Sanbio EPSOMIT | MgO + SO3 (18.2 + 35) Magnesium sulphate heptahydrate, activated by SANBIO Biocatalytical Stimulation Technology | Fertilizer and biological activator (certified in France, Germany, EC, USA)Stimulation of plant growth and immunityBetter protection against fungal diseases and biotic and abiotic stressBetter control of factors favorable to plant growthBetter germination and growth of vegetation and development of roots and shootsBetter mobilization and assimilation of nutrientsEarly flowering and maturationIncreased production and improved quality | Dosage: 1 kg / ha in 200-500 l of water No. of application: 1-2 Mode of application: Foliar spray Stage of application: 3-5 leaf stage |
2. Results
Table 2. Productive performance
| Treatment | Control (untreated lot) | EPSOMIT (treated lot) | |
| Average diameter of apple (N=3 trees) | mm | 67 | 71 |
| Total weight of harvest (N=10 trees) | kg | 179.33 | 191.19 |
Figure 1. Total weight of harvest (kg/10 trees) and average diameter (mm) compared to untreated lot
Picture 1. Foliar fertilization by spraying machine on 2014-04-11
Picture 2. Treated rows (left hand side) and untreated rows (right hand side)
Picture 3. Diameter and shape of apples from treated rows (left hand side) and untreated rows (right hand side)
5. Conclusion
The present study shows significantly positive effects of SANBIO EPSOMIT on productive performance and sensitive parameter:
- Higher harvest
- Larger fruits (diameter, weight).