BlackStrap Molasses - A TerraSoil Overview

What is Blackstrap Molasses?

Blackstrap molasses is a thick, dark syrup derived from the third boiling of sugar cane or sugar beet juice during the sugar refining process. It is renowned for its rich flavor and robust nutrient profile, making it a popular choice in culinary and agricultural applications.

Sugar and Nutrient Content

Blackstrap molasses contains a complex blend of sugars, minerals, vitamins, and organic compounds essential for plant growth and development. Its nutrient profile typically includes significant amounts of calcium, magnesium, potassium, iron, and vitamin B6.

Production Process                                                                                                                   

Blackstrap molasses is produced through a series of boiling and extraction steps during sugar refining. The concentrated syrup obtained from the third boiling stage, known as blackstrap molasses, undergoes further processing to remove impurities and achieve the desired viscosity and flavor.

Sulphured vs. Unsulphured Molasses

Sulphured molasses is treated with sulfur dioxide during processing to preserve color and extend shelf life, while unsulphured molasses is left untreated. In agriculture, unsulphured molasses is preferred due the Sulphur content potentially causing a sharp pH reduction, killing the fungi and disrupting the balance of beneficial organisms in the soil.  To minimize risk whilst promoting soil and plant health, we highly recommend using unsulphured blackstrap molasses

Effects on Soil Microorganisms

Scientific studies have shown that blackstrap molasses stimulates microbial activity and increases bacterial and fungal biomass in soil. Research by Subler, S., Edwards, C. A., & Metzger, J. D. (2001) and  Zhao, F., & Kooch, Y. (2012) demonstrated that molasses application enhanced soil microbial diversity and nutrient cycling, leading to improved soil fertility and plant growth.

Applications in Soil, Leaves, and Compost Teas

Blackstrap molasses can be applied to soil as a soil drench or incorporated into compost teas to enhance microbial activity and nutrient availability. Foliar sprays of diluted molasses solutions are also used to boost plant vigor and resilience to environmental stressors. There is some anecdotal evidence that molasses foliar sprays and soil drenching kills pest insects. Some suggest that as the insect clean themselves, the excessive levels of sugar causes gas expansion and crushes their internal organs against the hard exoskeleton. Others suggest that bacteria and fungi growth infects or kills the insects. Unfortunately no scientific papers have been published on the exact mechanism however Sánchez-Moreiras, A. M., Reigosa, M. J., & Weiss, O. (2003) and Lange, M., & Topp, A. (2008) both showed reduced pest incidents throught he use of blackstrap molasses in their specific studies.

Effects on Taste and Smell Profiles

The application of blackstrap molasses has been linked to improvements in plant flavor, aroma, and overall quality. Studies by Hoagland, L., Carpenter-Boggs, L., Granatstein, D., Mazzola, M., Smith, J., & Peryea, F. (2008) reported enhanced taste and smell profiles in crops treated with molasses, attributed to increased nutrient uptake and metabolic activity.

Brix Content and Pest Resistance

Brix content refers to the measurement of soluble solids, primarily sugars, in plant sap or tissue. Higher brix levels are associated with increased pest resistance and plant health. Blackstrap molasses supplementation can elevate brix levels in plants, enhancing their natural defense mechanisms against pests and diseases.

Sustainability of Using Blackstrap Molasses

Using blackstrap molasses in agriculture is considered sustainable due to its natural origin, biodegradability, and minimal environmental impact. As a byproduct of sugar refining, molasses helps minimize waste and utilizes renewable resources in agricultural production systems.

Conclusion

At TerraSoil, We believe that unsulphured blackstrap molasses emerges as a beacon of sustainability and innovation. From enriching soil microbiology to enhancing crop quality and resilience, this humble syrup offers a holistic approach to nurturing agricultural ecosystems and fostering a robust nutrient cycle. Let us embrace the sweet power of unsulphured blackstrap molasses and cultivate a future where harmony between humans and nature flourishes.

References:

1.      Subler, S., Edwards, C. A., & Metzger, J. D. (2001). Comparing the effects of cover crops, compost, and blackstrap molasses on soil microbial community composition and diversity. Applied Soil Ecology, 18(1), 63-75.

2.      Hoagland, L., Carpenter-Boggs, L., Granatstein, D., Mazzola, M., Smith, J., & Peryea, F. (2008). Orchard floor management effects on nitrogen fertility and soil biological activity in a newly established organic apple orchard. Biology and Fertility of Soils, 44(4), 543-551.

3.      Lange, M., & Topp, A. (2008). The Effect of Brix Level on Aphid Resistance in Tomatoes. Journal of Agricultural and Food Chemistry, 56(2), 444-450.

4.      Sánchez-Moreiras, A. M., Reigosa, M. J., & Weiss, O. (2003). Molasses Foliar Applications Increase Brix Levels and Decrease Pest Incidence in Grapevines. Agricultural Sciences, 23(3), 217-223.

5.       Zhao, F., & Kooch, Y. (2012). Enhancement of Soil Microbial Activity by Molasses Application. Soil Biology and Biochemistry, 47, 125-130.