RainGrow™ is committed to continuing research and testing to ensure quality products.


One of the trials conducted was on field tomatoes in the Okanagan Valley of British Columbia, Canada. In the Summer of 2000 RainGrow™ conducted trials under the auspices of the Technology Assistance Program on field tomatoes.

The trials were under the supervision of a horticultural consultant who designed and implemented the research to find the effects of the RainGrow™ ORGANIC FERTILIZER 4-2-3 on the growth of tomatoes. RainGrow™ Organic Fertilizer 4-2-3 was compared with two commerical fertilizers: a 15-15-30 high quality specialty fertilizer for tomatoes, and a 14-6-10 commerical brand fertilizer used by the tomato farmer.

The results were such that at the label rate RainGrow™ ORGANIC FERTILIZER 4-2-3 performed just as well as the 15-15-30 specialty fertilizer in terms of total weight and average weight of the tomatoes, and outperformed the 14-6-10 fertilizer in both these categories.

Also, during the same time, seedling trials and field trials with tomatoes, cucumbers and broccoli were conducted as part of a Canadian federal program called the Industrial Research Assistance Program, comparing RainGrow™ ORGANIC FERTILIZER 4-2-3 with a popular brand name fertilizer. Results showed excellent growth of the seedlings and that the results were as good and in some areas out performed the commercial brand name fertilizer. The field trial also showed excellent results with RainGrow™ ORGANIC FERTILIZER 4-2-3.

These are some of the trials conducted by RainGrow™. The company has conducted numerous trials and endeavors to continue its research to provide high quality "State of the Earth™" fertilizers for your use! These results provide evidence that RainGrow™ ORGANIC FERTILIZER 4-2-3 is an excellent and effective fertilizer.

Harvest of tomatoes over 1 season - relative number of fruit and weight
1 tomato = 100 tomatoes | 1 gram = 100 grams





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