Green agriculture is a trending topic and represents the future development direction of the agricultural sector. Recently, the agricultural department’s fertilizer reduction program has further accelerated this trend. To maintain healthy plant growth while reducing fertilizer use,algae oligosaccharides have emerged as a promising solution.
What is Algae Oligosaccharide?
Algae oligosaccharide is derived from deep-sea algae, which thrive in cold, low-light, and high-salinity seawater. Their survival is attributed to the abundance of physiologically active substances in their bodies, with the highest activity fragment being our protagonist—algae oligosaccharide.
Fertilizer Efficiency Enhancement of Algae Oligosaccharide
Algae oligosaccharide improves the absorption and utilization efficiency of conventional fertilizers, especially ammonium nitrogen and nitrate nitrogen, and significantly enhances the activity of various enzymes. Below is the test result from Dora’s team:
Algae oligosaccharide improves the absorption and utilization efficiency of conventional fertilizers, especially ammonium nitrogen and nitrate nitrogen, and significantly enhances the activity of various enzymes. Below is the test result from Dora’s team:
Dora Algae Oligosaccharide（Arouse） Field Corn Trial
1. Purpose
Study the effect of Dora Arouse fertilizer synergy on corn yield by using the method of soil seedling irrigation and root irrigation.
2. Materials & Methods
-
- Materials
The corn variety tested was ‘Yulongnuo 1612’, and the biostimulant was Dora Arouse. Provided by Suzhou Dora Agritech Co.,Ltd. Seedling substrates, urea and compound fertilizers are provided by the CSNAP.( a Dora Cooperative Experimental Team)
-
- Methods
The trial was conducted in the CSNAP in Changshu, Jiangsu. On March 13, the seedlings were raised in advance, and on April 3, the seedlings were transplanted with a spacing of 30 cm. Fertilizer can be applied when the plants have grown to 3-4 true leaves. A total of 3 treatments were set up in the experiment, as follows:
Group A: Control, only urea and compound fertilizer were applied
Group B: Reduce the amount of fertilization by 30%, and add 0.01% of Dora Arouse to the fertilizer solution
Group C: Reduce the amount of fertilization by 30%, and add 0.1% Dora Arouse in the fertilizer solution
In this trial, photos were taken to record the yield differences between different treatments, which were ultimately reflected in the yield indicators such as single panicle yield, hundred- grain weight, fresh panicle dehulling rate, grain moisture content, theoretical and measured yield, etc.
3. Trial data collection
Record of Pesticide&Fertilizer (Table. 1)
| Pesticide & Fertilizer | Useage |
| Urea | N nutrients |
| NPK16-16-16 | N,P,K nutrients |
| Phoxim | Pesticide |
| Diflubenzuron | Pesticide |
| Imidacloprid | Pesticide |
| Dora Arouse | Fertilizer synergist |
Examination of species – Per Spike Yield (Table.2)
| Spike length（cm） | Blad part length（cm） | Spike weight（g） | |
| A | 15 | 1 | 132 |
| B | 18.2 | 1 | 188 |
| C | 17.5 | 2.5 | 178 |
Examination of species – Hundred-Grain Weight (Table.3)
| Group | A | B | C |
| HGW（g) | 36.52 | 41.21 | 63.60 |
Examination of species – Fresh Panicle Dehulling Rate (Table.4)
| Group | A | B | C |
| FPDR（%) | 65.2 | 64.40 | 67.20 |
Examination of species – Grain Moisture Content (Table.5)
| Group | A | B | C |
| GMC（%) | 0.12 | 0.18 | 0.16 |
Table.6 – Theoretical output
| Group | A | B | C |
| Yield(kg) | 548.31 | 583.55 | 559.05 |
Table.7 – Actual output
| Group | A | B | C |
| Yield(kg) | 275.71 | 276.38 | 295.87 |
Table.8 – Actual mining plot output
| Group | A | B | C |
| Yield(kg) | 33.14 | 33.58 | 32.84 |
4. Trial results
To test the fattening application effect of different concentrations of Dora Arouse, the impact of alginate oligosaccharides of different concentrations and styles on the yield of corn was studied. After Dora Arouse was mixed uniformly with urea compound fertilizer, it was uniformly sprinkled and applied near the roots of each corn plant in each small plot. After completing the treatment according to the experimental program, the plants were harvested, and the relevant data were measured. The data are now analyzed as follows.
Figure group.1: Data of Corn Spike
4. 1. Figure 1 clearly illustrates that the spike weights of corn from all the treatment groups were significantly higher than that of the control group. Among the treatment groups, Group B showed the highest ear weight of 188g, which was 42.42% higher than the control ear weight. In contrast, the control group had the shortest spike length.
These results indicate that the application of Dora Arouse effectively promoted spike growth and development in corn, resulting in heavier ear weights compared to the untreated control plants. The positive effect was most pronounced in Group B, which shows the greatest increase in ear weight relative to the control.
Figure.2: Weight of Hundred Grains
4. 2. As is evident from Figure 2, the 100-grain weights of corn from all the treatment groups with different concentrations of Dora Arouse fertilizer were higher than that of the control group without the fertilizer. This demonstrates that the application of Dora Arouse had a positive impact on improving the quality of individual corn grains, as indicated by the higher 100-grain weight. Likely because more oligosaccharides are available to promote grain filling and accumulation of substances within individual corn kernels, leading to heavier individual grains and thus higher 100-grain weight. In summary, the results demonstrate that Dora Arouse is an effective means of improving the single grain weight and quality of corn.
Figure.3: Fresh Panicle Dehulling Rate
-
- 3. As shown in Data 3, under the influence of different fertilizers, the fresh corn ear yield rates differed, with Group C being higher than the control group and showing a significant difference in variance analysis. Group B is lower than the control group. This indicates that 0.1% concentrations of Dora Arouse greatly improved the corn filling degree.
These results suggest that only the highest concentration of Dora Arouse is able to significantly enhance grain filling and yield potential in corn, resulting in a higher fresh ear yield rate.
Figure.4: Grain Moisture Content
According to the data in Figure 4, corn kernels treated with Concentration B had a higher moisture content compared to other treatment groups, although the difference was not statistically significant based on variance analysis. However, the texture when eating the corn was noticeably better than the control groups. For people pursuing fresh corn is very suitable.
Figure.5&6: Actual Plot Yield & Total Yield
As shown in Figure 5&6, the corn yields of all treatment groups were at similar levels. Compared to Treatment A, Treatments B and C both reduced fertilizer amounts by 70% while still maintaining Treatment A’s corn yield levels, on the basis of applying Dora Arouse. This suggests that Dora Arouse can improve fertilizer use efficiency, as a 70% reduction in fertilizer input did not negatively impact corn yield. The similarity in yields between Treatment A and Treatments B and C, despite the large difference in fertilizer amounts used, indicates that Dora Arouse allows crops to utilize nutrients from the fertilizer more effectively, translating to higher crop yields with lower fertilizer inputs. Dora Arouse has the potential to provide economic and environmental benefits for corn production by achieving the same yield while reducing the consumption of fertilizer resources.
5. Conclusion
In summary, compared with the control, treatments with 0.01%-0.1% Dora Arouse reduced fertilizer usage by 30% without negatively impacting corn yield and quality. In contrast, Dora Arouse promoted both corn quality and yield, improving fertilizer use efficiency.
The application of Dora Arouse helped enhance spike quality and grain productivity of corn. For people who enjoy fresh corn, the 0.01% treatment increased corn moisture content for a richer texture.
Specifically, Figures 1 and 2 clearly show that all Dora Arouse treatments had significantly higher ear weights and 100-grain weights than the control. Group B achieved the highest single grain quality and ear weight.
As Figure. 3 indicates, the highest Dora Arouse concentration significantly enhanced grain filling and yield potential in corn, resulting in a higher fresh ear yield rate.
According to Figure 4, corn kernels treated with Concentration B had the highest moisture content but a noticeably better eating quality.
Most indicative was Figure 5&6. Treatments B and C used the Dora Arouse,but reduced fertilizer inputs by 70% without decreasing yield, demonstrating that Dora Arouse can improve fertilizer use efficiency.
The recommended dosage of Dora Arouse is 0.01%-0.1% addition in fertilizer. 0.1% addition can increase hundred grain weight, fresh panicle dehulling rate and total output. 0.01% addition can improve grain moisture content to improve taste.